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What Is a PhD?

A PhD is often the highest possible academic degree you can get in a subject. Learn more about whether earning a PhD could benefit your career.

A Doctor of Philosophy, often known as a PhD, is a terminal degree —or the highest possible academic degree you can earn in a subject. While PhD programs (or doctorate programs) are often structured to take between four and five years , some graduate students may take longer as they balance the responsibilities of coursework, original research, and other degree requirements with raising families or working full time. 

With a PhD, you may find opportunities to work as a university professor, a researcher in a commercial or government laboratory, a consultant, or a subject matter expert (SME). If you have the intellectual curiosity and dedication, earning a PhD can be a rewarding experience. In this article, we’ll go over what it takes to earn a PhD, the requirements to apply for a PhD program, and other factors worth considering.

Learn more: What Does ‘PhD’ Stand For?

PhD: Key facts

Generally, students begin their PhD after earning a bachelor’s degree and a master’s degree . However, some doctoral programs may offer you the chance to earn your master’s while pursuing your PhD, so that may not be an admissions requirement.  

What can you get a PhD in?

It’s possible to earn your PhD in a number of academic disciplines, including the natural sciences , humanities , arts, and social sciences . The 2021 Survey of Earned Doctorates, from the National Center for Science and Engineering Statistics, offers a numerical breakdown of actual degrees earned in broad academic fields [ 1 ]:

Engineering: 10,240

Biological and biomedical sciences: 8,149

Social sciences: 4,878

Physical sciences: 4,693

Psychology: 3,797

Computer and information sciences: 2,361

Health sciences: 2,331

Mathematics and statistics: 2,012

Agricultural sciences and natural resources: 1,334

Geosciences, atmospheric sciences, and ocean sciences: 1,064

Education: 4,252

Humanities and arts: 4,137

Business: 1,392

Other fields: 1,610

Depending on the university you attend, you may find that the broad academic fields above break down into more specific disciplines. For example, within a physical science department, you might get a PhD in physics or chemistry. Within an engineering department, you might get a PhD in electrical or mechanical engineering. Philosophy, theology, history, or English might fall within a humanities department, while economics or social work could fall within a social sciences department. Marketing could be a specific PhD major within a business department.

In terms of your PhD coursework and research, you will likely be expected to concentrate in some area of your larger subject. For example, PhDs in biology may focus on biochemistry or biostatistics, whereas a PhD in English may concentrate on twentieth-century American literature. 

Requirements to get a PhD

PhD programs typically require at least two years of advanced coursework, as well as comprehensive exams, and the successful completion of a dissertation. Let’s break that down on a year-by-year basis: 

Years 1 and 2: Take classes to develop advanced knowledge in your subject area. 

Year 3: Study for and successfully pass your comprehensive exams. 

Years 4 and 5: Research, write, and defend your dissertation. 

Once you have successfully passed your comprehensive exams, you’re typically considered “All But Dissertation” or ABD, which signals that you’ve finished everything in your doctoral program except your dissertation. 

Research supervisor 

PhD students often choose a faculty member who specializes in their area of interest to serve as the research supervisor. It can help to identify professors or programs that will support your research endeavors before applying, so you can establish a relationship with your potential research advisor early. 

The average cost of a PhD program in the US is $106,860, though that figure can differ based on the type of institution you attend and what you study [ 2 ].

Reasons to get a PhD

Earning your PhD can be an immensely rewarding experience, but the degree can be a big commitment, requiring significant time, money, and work. 

Here are some more reasons you may want to pursue a PhD:

Become a subject matter expert in a particular field.

Conduct the research you are passionate about.

Develop transferable skills that can help in your professional life. 

Make a difference in the world with new research.

Make connections with scholars in your academic community.

Open up career avenues in academic and research work.

Completing a PhD can reveal to employers that you possess a wide range of competencies that are valued in both academic and non-academic settings. 

PhD salaries

PhD holders earn a median weekly income of $1,909 compared to master’s degree holders, who earn a median weekly income of $1,574, according to the US Bureau of Labor Statistics (BLS) [ 3 ]. They may also experience lower percentages of unemployment. The unemployment rate for PhD graduates is 1.5 percent compared to master’s degree holders at 2.6 percent [ 3 ].

Requirements to apply to a PhD program

PhD programs expect you to meet several requirements before enrolling. Here are some examples of common requirements:

Have an undergraduate degree, usually with at least a 3.0 overall GPA.

Have a master's degree, though some programs may not require it.

Take the Graduate Record Examination (GRE) and achieve a minimum score.

Submit a sample of your academic writing.

Submit your CV .

Provide letters of recommendation , which should ideally come from academic faculty members who can speak to your research or intellectual abilities.

Requirements differ by program and school, so take time to become familiar with the entry requirements of universities where you’re interested in applying. Admissions staff or departmental staff should be able to give you specific information about their admissions requirements.

If a program is interested in you, based on your application, you may have to complete an interview. The university representatives that interview you will look at your motivation, how prepared you are, and how suitable you are for acceptance into the doctoral degree program.

PhD vs. other terminal degrees

Terminal degrees are the highest degree available in a field of study. While the PhD is the highest academic degree you can earn in a field of study, a Juris Doctor (JD) is the highest degree you can earn in law, and a professional degree , such as a Doctor of Medicine (MD) or a Doctor of Veterinary Medicine (DVM) , is the highest degree you can earn in these medical professions. 

Learn more: What is a Terminal Degree and Do You Need One?   

Professional doctorates are a different category of doctorate degree. They are usually intended for professionals already working in a field who want to pursue advanced training in their area. The main difference between a professional doctorate and an academic doctorate has to do with subject matter and research. While PhDs are interested in conducting new research, professional degree students take existing models and knowledge and apply them to solve problems. Professional doctorates are also designed to prepare learners for careers in a certain industry rather than academia.  

Examples of professional doctorates include:

DBA (Doctor of Business Administration)

DNP (Doctor of Nursing Practice)

EdD (Doctor of Education)

DPH (Doctor of Public Health)

Is someone with a PhD a doctor?

You can use the salutation "Dr" to address people who hold doctorates, including PhDs and other professional degrees. The word "doctor" comes from the Latin word for "teacher," and PhDs are often professors at universities. While it has become more common to refer to medical doctors as “Dr,” some professors use the honorific when addressing students and in professional settings.

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Article sources

NCSES. " 2021 Survey of Earned Doctorates , https://ncses.nsf.gov/pubs/nsf23300/report/field-of-doctorate." Accessed August 1, 2023.

Education Data Initiative. “Average Cost of a Doctorate Degree ,     https://educationdata.org/average-cost-of-a-doctorate-degree.” Accessed August 1, 2023.

US Bureau of Labor Statistics. “Earnings and Unemployment rates by educational attainment, 2021 , https://www.bls.gov/emp/chart-unemployment-earnings-education.htm." Accessed August 1, 2023.

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This content has been made available for informational purposes only. Learners are advised to conduct additional research to ensure that courses and other credentials pursued meet their personal, professional, and financial goals.

A Doctor of Philosophy or Doctorate

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More than 54,000 students earned doctoral degrees in 2016, the latest year for which figures are available, a 30 percent increase since 2000, according to the  National Science Foundation . A Ph.D., also called a doctorate, is a "Doctor of Philosophy" degree, which is a misleading moniker because most Ph.D. holders are not philosophers. The term for this increasingly popular degree derives from the original meaning of the word "philosophy," which comes from the ancient Greek word  philosophia , meaning "love of wisdom."

What Is a Ph.D.?

In that sense, the term "Ph.D." is accurate, because the degree has historically been a license to teach, but it also signifies that the holder is an "authority, in full command of (a given) subject right up to the boundaries of current knowledge, and able to extend them," says  FindAPhD , an online Ph.D. database. Earning a Ph.D. requires a hefty financial and time commitment— $35,000 to $60,000  and two to eight years—as well as research, creating a thesis or dissertation, and possibly some teaching duties.

Deciding to pursue a Ph.D. can represent a major life choice. Doctoral candidates require additional schooling after completing a master's program to earn their Ph.D.: They must complete additional coursework, pass comprehensive exams , and complete an independent dissertation in their field. Once completed, though, a doctoral degree—often called a "terminal degree"—can open doors for the Ph.D.holder, especially in academia but also in business.

Core Courses and Electives

To obtain a Ph.D., you need to take a group of core courses as well as electives, totaling about 60 to 62 "hours," which are roughly the equivalent of units at the bachelor's degree level. For example, Washington State University offers a  Ph.D. in crop science . Core courses, which make up about 18 hours, include such subjects as introduction to population genetics, plant transmission genetics, and plant breeding.

Additionally, the student must make up the remaining required hours through electives. The  Harvard T.H. Chan School of Public Health  offers a doctoral degree in Biological Sciences in Public Health. After core courses such as laboratory rotations, biological sciences seminars, and core principles of biostatistics and epidemiology, the Ph.D. candidate is required to take electives in related fields such as advanced respiratory physiology, advanced respiratory physiology, and ecological and epidemiological control of parasitic diseases. Degree-granting institutions across the board want to ensure that those who earn Ph.D.s have broad knowledge in their chosen field.

Thesis or Dissertation and Research

A Ph.D. also requires students to complete a large scholarly project known as a  dissertation , a research report—usually 60-plus pages—which signifies that they are able to make significant independent contributions to their chosen field of study. Students take on the project, also known as a  doctoral thesis , after completing the core and elective coursework and passing a  comprehensive examination . Through the dissertation, the student is expected to make a new and creative contribution to a field of study and to demonstrate her expertise.

According to the Association of American Medical Colleges, for example, a strong medical dissertation relies heavily on the creation of a specific hypothesis that can be either disproved or supported by data collected through independent student research. Further, it must also contain several key elements starting with an introduction to the problem statement, conceptual framework, and research question as well as references to literature already published on the topic. Students must show that the  dissertation  is relevant, provides new insight into the chosen field, and is a topic that they can research independently.

Financial Aid and Teaching

There are several ways to pay for a doctoral degree: scholarships, grants, fellowships, and government loans, as well as teaching.  GoGrad , a graduate school information website, provides such examples as the:

• Science, Mathematics, and Research for Transformation (SMART) Scholarship for Service Program, which provides full tuition and an annual stipend of $25,000 to $38,000.
• National Defense Science and Engineering Graduate Fellowship, a three-year graduate fellowship that is designed to support doctoral students across 15 engineering disciplines
• National Science Foundation Graduate Research Fellowship Program, a three-year program that provides an annual stipend of $34,000 and a $12,000 cost-of-education allowance for tuition and fees

As it does for bachelor's and master's degrees, the federal government also offers several  loan programs  to help students finance their Ph.D. studies. You generally apply for these loans by filling out the free application for federal student aid ( FAFSA ). Students planning to go into teaching after obtaining their doctoral degrees often also supplement their income by teaching undergraduate classes at the schools where they are studying. The University of California, Riverside, for example, offers a "teaching award"—essentially a stipend applied toward tuition costs—for Ph.D. candidates in English who teach undergraduate, beginning-level, English courses

Jobs and Opportunities for Ph.D. Holders

Education accounts for a large percentage doctoral awards, with elementary education, curriculum and instruction, educational leadership and administration, special education, and counselor education/ school counseling topping the list. Most universities in the United States require a Ph.D. for candidates who seek teaching positions, regardless of the department.

Many Ph.D. candidates seek the degree, however, to boost their current salaries. For example, a health, sports, and fitness educator at a community college would realize a bump in annual pay for obtaining a Ph.D. The same holds for educational administrators. Most such positions require only a master's degree, but obtaining a Ph.D. generally leads to an annual stipend that school districts add to the annual salary. That same health and fitness instructor at a community college could also move on from a teaching position and become a dean at a community college—a position that requires a Ph.D.—boosting his pay to  $120,000 to $160,000  a year or more.

So, the opportunities for a doctoral degree holder are wide and varied, but the cost and commitment required are significant. Most experts say you should know your future career plans before you make the commitment. If you know what you want to get out of the degree, then the years of required study and sleepless nights may well be worth the investment.

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doctor of philosophy

Definition of doctor of philosophy

Word history.

1651, in the meaning defined above

Dictionary Entries Near doctor of philosophy

doctor of osteopathic medicine

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Cite this Entry

“Doctor of philosophy.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/doctor%20of%20philosophy. Accessed 26 Apr. 2024.

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Meaning of PhD in English

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• associate's degree
• baccalaureate
• bachelor's degree
• first degree
• summa cum laude

Ph.D. | American Dictionary

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What is a PhD?

• Types of Doctorates
• A Doctor of Philosophy (PhD) is the highest globally recognized postgraduate degree that higher education institutions can award.
• PhDs are awarded to candidates who undertake original and extensive research in a particular field of study.
• Full time PhD programmes typically last three to four years, whilst part time PhD programmes typically last six to seven years.
• A PhD can lead to an academia teaching role or a career in research. A PhD can also equip you with skills suitable for a wide range of jobs unrelated to your research topic or academia.

Definition of a PhD – A Doctor of Philosophy (commonly abbreviated to PhD , Ph.D or a DPhil ) is a university research degree awarded from across a broad range of academic disciplines; in most countries, it is a terminal degree, i.e. the highest academic degree possible.

PhDs differ from undergraduate and master’s degrees in that PhDs are entirely research-based rather than involving taught modules (although doctoral training centres (DTCs) offer programmes that start with a year of lecture-based teaching to help develop your research skills prior to starting your project).

In most English-speaking countries, those that complete a PhD use the title “Doctor” (typically abbreviated to Dr) in front of their names and are referred to as such within academic and/or research settings. Those that work in fields outside of academia may decide not to use the formal doctor title but use post-nominal letters (e.g. John Smith PhD); it’s unusual though for someone to use both the Doctor title and post-nominal letters in their name.

PhD vs Doctorate

A PhD and a professional doctorate are both research-based terminal degrees.

However, where a PhD focuses on original research mostly around theoretical concepts, a professional doctorate focuses on examining existing knowledge to solve real-life, practical problems.

While there is much crossover between the two, a PhD is generally better suited for an individual to wants to advance the knowledge and understanding in their field, and a professional doctorate degree is better suited to a working professional who wants to better be able to apply knowledge and understanding to their field.

What Are the Entry Requirements for a PhD?

To be accepted on to a PhD programme, students usually need to hold at least a high ( 2:1 and above ) undergraduate degree that is related to the field of research that they want to pursue. A PhD candidate may also be expected to hold a Master’s degree , however, this does not mean you must have one, as it is still possible to enrol into a PhD without a Master’s .

Self-funded courses may sometimes be more relaxed in relation to entry requirements. It may be possible to be accepted onto a self-funded PhD programme with lower grades, though these students typically demonstrate their suitability for the role through professional work experience.

Whilst a distance learning project is possible , most PhD candidates will carry out their research over at least three years based at their university, with regular contact with two academic supervisors (primary and secondary). This is particularly the case for lab-based projects, however, some PhD projects require spending time on-site away from university (e.g. at a specialist research lab or at a collaborating institution abroad).

How Long Does a PhD Take?

Typically, full-time PhDs last 3-4 years and part-time PhDs last 6-7 years. However, at the discretion of the university, the thesis writing-up period can be extended by up to four years.

Although most doctoral programmes start in September or October, they are generally much more flexible than taught-courses and can start at any time of the year.

How Much Does a PhD Cost?

Tuition fees for UK and EU students vary between £3,000 and £6,000 per year, with the average tuition fee of £4,712 per year for 2023/24 programmes.

Tuition fees increase considerably for international students, varying between £16,000 to £25,000 per year, with an average tuition fee of £19,600 per year .

Nonetheless, most students will secure PhD funding in the form of studentships, scholarships and bursaries to help pay for these fees. These funding opportunities can either be partial, which cover tuition fees only, or full, which cover both tuition fees and living expenses.

UK national students can also apply for Doctoral Loans from Student Finance England if they are unable to secure funding.

Finding a PhD has never been this easy – search for a PhD by keyword, location or academic area of interest.

What Does a PhD Involve?

To be awarded a PhD, a doctoral student is required to produce a substantial body of work that adds new knowledge to their chosen field.

A PhD programme will typically involve four key stages:

Stage 1: Literature Review

The first year of a PhD involves attending regular meetings with your supervisors and carrying out a search on previously published work in your subject area. This search will be used to produce a literature review which should set the context of the project by explaining the foundation of what is currently known within the field of research, what recent developments have occurred, and where the gaps in knowledge are. In most cases, this will be an extension of your research proposal should you have produced one as part of your application. The literature review should conclude by outlining the overarching aims and objectives of the research project. This stage of setting achievable goals which are original and contribute to the field of research is an essential first step in a successful PhD.

The supervisor is the main point of contact through the duration of a PhD – but remember: they are there to mentor, not to teach, or do it for you . It will be your responsibility to plan, execute and monitor your own work as well as to identify gaps in your own knowledge and address them.

Stage 2: Research

The second year (and prehapse some of your third year) is when you work on your research. Having identified novel research questions from your review of the literature, this is where you collect your data to help answer these questions. How you do this will depend on the nature of your doctoral research: for example, you may design and run experiments in a lab alongside other PhD students or visit excavation sites in remote regions of the world. You should check in regularly with your supervisors to update them and run any ideas or issues past them.

Have the structure and chapters of your thesis in mind as you develop and tackle your research questions. Working with a view of publishing your work will be very valuable later on.

Stage 3: Write up of Thesis

The next key stage of a PhD is writing a doctoral thesis , which typically takes from anywhere between three months to one year. A thesis is a substantial body of work that describes the work and outcomes of the research over the previous two to three years. It should tell a detailed story of the PhD project – focusing on:

• The motivations for the research questions identified from the literature review.
• The methodologies used, results obtained, and a comprehensive analysis and discussion of the findings.
• A detailed discussion of the key findings with an emphasis on the original contributions made to your field of research and how this has been impactful.

There is no universal rule for the length of a PhD thesis, but general guidelines set the word count between 80,000 to 100,000 words.

For your thesis to be successful, it needs to adequately defend your argument and provide a unique or increased insight into your field that was not previously available.

Stage 4: Attending the Viva

A viva voce , most commonly referred to as just a ‘ viva ‘, is an interview-style examination where the PhD student is required to engage in a critical appraisal of their work and defend their thesis against at least two examiners. The examiners will ask questions to check the PhD student has an in-depth understanding of the ideas and theories proposed in their thesis, and whether they have developed the research skills that would be expected of them.

The viva is one of the final steps in achieving a PhD, and typically lasts at least two hours, but this duration can vary depending on the examiners, the university and the PhD project itself.

Once you have done the viva – you’re on the home stretch. You will typically be asked to make some amendments to your thesis based on the examiner’s feedback. You are then ready to submit your final thesis for either:

• PhD – If you pass the requirements you will be awarded a PhD degree (most common outcome),
• MPhil – If you failed to meet requirements for a PhD, you may be downgraded to an MPhil degree (uncommon outcome),
• Fail – No award is given, typically for cases of plagiarism (extremely uncommon outcome).

What Is It Like to Undertake a PhD?

We’re often asked what it is like to undertake a PhD study. Unfortunately, this isn’t a simple answer to this question as every research project is different.

To help give insight into the life of a PhD student, we’ve interviewed PhD students at various stages of their programmes and put together a series of PhD Student Interviews . Check out the link to find out what a PhD is like and what advice they have to offer you.

What Are the Benefits of A PhD?

A PhD is the highest globally recognised postgraduate degree that higher education institutions can award. The degree, which is awarded to candidates who demonstrate original and independent research in a particular field of study, is not only invaluable in itself, but sets you up with invaluable skills and traits.

Career Opportunities

First, a PhD prepares you for a career in academia if you wish to continue in this area. This takes form as a career in the Higher Education sector, typically as a lecturer working their way to becoming a professor leading research on the subject you’ve studied and trained in.

Second, a PhD also enables the opportunity for landing a job in a research & development role outside of the academic environment. Examples of this include laboratory work for a private or third sector company, a governmental role and research for commercial and industrial applications.

Transferable Skills

Finally, in possessing a PhD degree, you can show to employers that you have vital skills that make you an asset to any company. Three examples of the transferable skills that you gain through a PhD are effective communication, time management, and report writing.

• Communication – presenting your work in written and oral forms using journal papers and podium presentations, shows your ability to share complex ideas effectively and to those with less background knowledge than you. Communication is key in the professional environment, regardless of the job.
• Time management – The ability to prioritise and organise tasks is a tremendous asset in the professional industry. A PhD holder can use their qualification to demonstrate that they are able to manage their time, arrange and follow a plan, and stick to deadlines.
• Report writing – Condensing three years of work into a thesis demonstrates your ability to filter through massive amounts of information, identify the key points, and get these points across to the reader. The ability to ‘cut out the waffle’ or ‘get to the point’ is a huge asset in the professional industry.

Aside from the above, you also get to refer to yourself as a Doctor and add fancy initials after your name!

What Can I Do After a PhD?

One of the most desirable postdoctoral fields is working within independent Research and Development (R&D) labs and new emerging companies. Both industries, especially R&D labs, have dedicated groups of PhD graduates who lead research activities, design new products and take part in crucial strategic meetings. Not only is this a stimulating line of work, but the average salaries in R&D labs and emerging start-ups are lucrative. In comparison, an undergraduate with five years of experience within their given field will, on average, likely earn less than a new PhD graduate taking on a R&D position.

It’s a common misunderstanding that PhDs only opens the door for an academic career such as university lecturers and training providers. Although obtaining a PhD opens these doors, the opportunities extend far beyond educational roles. In fact, recent data from the UK’s Higher Education Statistics Agency (HESA) indicates only 23% of PhD graduates take a position in educational roles . This low percentage is primarily because PhD graduates have a wide range of skills that make them suitable for a broad spectrum of roles. This is being seen first hand by the increasing number of PhD graduates who are entering alternative roles such as research, writing, law and investment banking.

How Do I Find a PhD?

We appreciate that finding a PhD programme to undertake can be a relatively daunting process. According to Higher Education Student Statistics , over 22,000 PhDs were awarded in 2016/17 within the United Kingdom alone. Clearly there are a huge number of PhD programmes available. This can sometimes be confusing for prospective doctorates, particularly when different programmes are advertised in different places. Often, it is difficult to know where to look or where to even start. We’ve put together a list of useful sources to find the latest PhD programmes:

• A great place to start is with our comprehensive and up-to-date database of available PhD positions .
• Assuming you are still at university, speak to an existing PhD supervisor within your department.
• Attend as many postgraduate open days as you can. Whilst there, speak to current PhD students and career advisors to get an awareness of what PhDs are on offer.
• Visit the postgraduate section of university websites and the PhD Research Council section of the UKRI website.

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What is a phd.

A PhD is the highest postgraduate qualification level that can be awarded in academic study. This is usually completed over three to four years of full-time study, and involves research into an original contribution in your chosen field. 

PhD is an acronym that stands for Doctor of Philosophy. The name for PhD comes from the Latin term “Philosophiae Doctor”, which roughly translates to “Lover of wisdom”.

Whether you’re finishing up from an undergraduate degree, on a masters course or even just looking to get back into education, you’ll have seen people talking about getting a PhD .

Most people know vaguely what a PhD is – it’s a university course that means you can call yourself ‘Doctor’ without having to do medicine, right? Whilst that is surprisingly close to the truth, we’re here to answer the oft-asked question of ‘what is a PhD?’.

This guide covers everything you need to know about a PhD.

What does a PhD involve?

A PhD will typically take three years to complete. If taken part time, then it will be separated into three different stages:

Year 1: This will involve you speaking with your advisor about your research ideas, finishing your research proposal and beginning to put deadlines in place for your research. You’ll also complete your literature review in this stage. During this, you’ll review the existing research done on the topic that you’re planning to research to help you determine the gaps in the research that you can target

Year 2: During this stage, you’ll begin to conduct your research to gather data. You’ll document this whole process for your thesis and begin to attend conferences where you will have the opportunity to present your current research to other professionals and researchers in the field. You can take this further and take steps to educate the public on the benefits of your research.

Year 3: The final stage of a PhD involves using the data you’ve collected and the documentation of your research to write your thesis. You may still be conducting research at this point, and that’s OK. Once you’ve finished your thesis, you’ll justify your research and decisions in a viva .

How long is a PhD?

A typical PhD will take three to four years to complete when studying full time. Studying part time can take up to six years. The good news is that the thesis can be extended by up to four years. This means that if you haven’t gotten anywhere near finishing your research by the end of the second year, you can apply to extend your thesis and continue your research for up to four more years. Many PhD students will complete their thesis in the 4th year.

How is a PhD different from other degrees?

To start with, describing a PhD as a university course can be a bit misleading. Whilst it is a course offered by a university, it’s incredibly different to most courses. Unlike the undergraduate level, you won’t be covering your subject broadly you’ll be focused on one very particular area. Whilst a masters degree, especially a research one, may be focused, it won’t be nearly as focused as a PhD.

That said – don’t expect this focused level of research to necessarily be groundbreaking! Though part of doing a PhD is the intent to produce original research, it’s also primarily there to train your research skills and to prove yourself as a capable researcher.

A PhD is research focused

One of the main differences between PhDs and other types of postgraduate degree is that PhDs are heavily research based. PhDs involve a lot of independent research time, where you'll study your topic in detail using academic resources – such as the university's online library and online materials. This format is different to taught postgraduate degrees, which involve a lot more taught aspects such as lectures and seminars.

Do you need a masters to study a PhD?

In order to study a PhD, you’ll need to have a masters degree and a bachelors degree with a 2:1 or higher. Though self-funded students and students with professional experience in the field may be admitted with lower grades

Some students may begin with a MPhil (Masters of philosophy) or a Mres ( Master of research) and upgrade to a PhD by the end of their studies.

Where can I study a PhD?

Most universities offer PhD programs across a variety of disciplines. It is possible to study a PhD at almost any university and in almost any subject. Since a PhD is an independent research-based program, there is a lot of flexibility in regard to what you’ll study. 

PhD students often choose their own study topics and carry out independent research into that topic. This makes it possible to study your intended PhD at almost any university. 

Although, it is important to check which specific subject areas the university specialises in. For instance, if a university specialises in linguistics, then it would be a good idea to complete a linguistics PhD at that university as opposed to one that specialises in another subject.

It can be difficult to find the perfect course at the right university. That’s why we’ve put together advice on how to find a PhD .

It’s important to remember that a PhD is different from a typical university course. Rather than going to lectures, you’ll be conducting independent research, and so the application process will be quite different. Learn how to apply for a PhD  with our expert guide.

A PhD means attending ‘optional’ lectures and conferences

PhDs do involve some aspects of taught study, including lectures and conferences, although these are often optional and take place less often than on lower level courses.

Now of course, the university doesn’t just accept you, your project and tell you to have fun. You’ll work with a supervisor, and there will be conferences, lectures, and other such things that you can attend. Unlike lower level courses, however, although you won’t necessarily be examined on these things that doesn’t mean you shouldn’t go! Conferences are a great way to meet people, get your name out and network . For any career, but especially one in academia, networking is well worth it.

A PhD is a high standard qualification

But what does having a PhD show, other than the fact you spent three to four years working on research and can now call yourself Dr [Your surname here]? 

A PhD is a globally recognised, high standard qualification. This means that if you choose to move elsewhere in the world, your PhD will be recognised as a credible postgraduate qualification.

In addition, a PhD can open up a whole world of new job opportunities! This includes academic roles , such as postdoctoral research posts, or even possibly fellowships. 

Regardless of which career path you choose to take, a PhD is regarded as the highest level postgraduate qualification – reflecting your impressive work ethic, knowledge, and workplace skills.

How to get a PhD

Getting a PhD is not easy by any means. But, if it’s something you truly want to do, it’s well worth it. So let’s take a look at just how to get a PhD!

Choose your research area

Before getting started with your PhD, you want to make sure you know what area you’d like to do it in. Don’t just pick something on a whim – this is something you’re going to be studying for the next four years of your life, and something that, once you finished your PhD, you’ll have your name attached to. So, for arts and humanities students, find an area of your subject that fascinates you enough that you’ll want to spend the next few years writing about it. For scientists, find an area you’d be happy to be working on in a team, and wouldn’t mind moving into as a career!

Find a good supervisor

Once you’ve selected your topic, it’s time to start looking for a supervisor . Depending on what you’re currently doing, asking tutors for contacts or recommendations can be well worthwhile, but if you can’t do this, check out what research your potential supervisor has done. 

In addition, try and arrange an in-person meeting – or at least, a phone conversation. Email can make communication difficult and given this is the person you’ll be working under for the foreseeable future, you want to ensure you get on.

Then, assuming you’re accepted and have appropriate funding, you’ll be considered a probationary PhD student . At the end of your first year, you’ll be expected to prove you’re capable of the full course, so you’ll be tested in the form of writing a report. Once you pass this, you’re good to go!

Your next few years will be spent attending conferences, working on the research and your thesis. Your thesis will talk about what you’ve spent your time doing, how you dealt with any difficulties that arose, and generally show what your contribution to your subject is! Once that’s out the way, you get the fun job of having a viva – that is, talking about your thesis to a bunch of academics.

Pass the viva? Then you’ve succeeded.

So that’s how to get a PhD!

UK Research Councils

There are a selection of UK Research Councils, each of whom are part of the  UK Research and Innovation (UKRI) organisation. Collectively, these UK research councils provide an average of £380 million in PhD studentship funding every year – acting as the largest PhD funding body in the UK. 

Here’s an overview of UK research councils:

• Science and Technology Facilities Council
• Arts and Humanities Research Council  
• Biotechnology and Biological Sciences Research Council
• Engineering and Physical Sciences Research Council
• Economic and Social Research Council
• Medical Research Council
• Natural Environment Research Council  

Related articles

Dos And Don'ts Of A PhD Interview

Are You Ready For A PhD?

How To Get The Most From Your PhD Supervisor

Common PhD Myths

Alphabet Of PhD Study

What Is A Postgraduate Degree? A Definition

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Definition of PhD noun from the Oxford Advanced Learner's Dictionary

• to do/have/be a PhD
• Anne Thomas, PhD
• acquire/​get/​lack (an) education/​training/ (British English) (some) qualifications
• receive/​provide somebody with training/​tuition
• develop/​design/​plan a curriculum/ (especially British English) course/ (North American English) program/​syllabus
• give/​go to/​attend a class/​lesson/​lecture/​seminar
• hold/​run/​conduct a class/​seminar/​workshop
• sign up for/​take a course/​classes/​lessons
• go to/​start preschool/​kindergarten/​nursery school
• be in (North American English) the first, second, etc. grade/ (British English) year 1, 2. etc. (at school)
• study/​take/​drop history/​chemistry/​German, etc.
• (British English) leave/​finish/​drop out of/ (North American English) quit school
• (North American English) graduate high school/​college
• be the victim/​target of bullying
• (British English) play truant from/ (both British English, informal) bunk off/​skive off school (= not go to school when you should)
• (both especially North American English) skip/​cut class/​school
• (British English) cheat in/ (North American English) cheat on an exam/​a test
• get/​be given a detention (for doing something)
• be expelled from/​be suspended from school
• do your homework/ (British English) revision/​a project on something
• work on/​write/​do/​submit an essay/​a dissertation/​a thesis/​an assignment/ (North American English) a paper
• finish/​complete your dissertation/​thesis/​studies/​coursework
• hand in/ (North American English) turn in your homework/​essay/​assignment/​paper
• study/​prepare/ (British English) revise/ (North American English) review/ (North American English, informal) cram for a test/​an exam
• take/ (both British English) do/​sit a test/​an exam
• (especially British English) mark/ (especially North American English) grade homework/​a test
• (British English) do well in/ (North American English) do well on/ (especially North American English, informal) ace a test/​an exam
• pass/​fail/ (especially North American English, informal) flunk a test/​an exam/​a class/​a course/​a subject
• apply to/​get into/​go to/​start college/ (British English) university
• leave/​graduate from law school/​college/ (British English) university (with a degree in computer science)
• study for/​take/ (British English) do/​complete a law degree/​a degree in physics
• (both North American English) major/​minor in biology/​philosophy
• earn/​receive/​be awarded/​get/​have/​hold a master’s degree/​a bachelor’s degree/​a PhD in economics
• dissertation

Questions about grammar and vocabulary?

Find the answers with Practical English Usage online, your indispensable guide to problems in English.

Nearby words

What is a PhD? Advice for PhD students

How long does it take to get a doctorate degree how do you get into grad school are you qualified to do a phd answers to these questions and more.

What is a PhD?

A PhD, which stands for “doctor of philosophy”, is the most advanced academic degree. It’s earned through extensive research on a specific topic, demonstrating expertise and contributing new knowledge to the field.

What does “PhD” mean?

The term “PhD” is often used as a synonym for any doctoral-level qualification. Doctorate degrees can often be split into two categories: MPhil and PhD.

An MPhil is similar to a PhD as it includes a research element (which is usually shorter and less in-depth than a PhD thesis, and often more akin to a dissertation undertaken at undergraduate or master’s level). 

MPhil students focus more on interpreting existing knowledge and theory and critically evaluating other people’s work rather than producing their own research. The precise nature and definition of an MPhil can vary among institutions and countries. 

A PhD, meanwhile, follows a more widely known and traditional route and requires students, often referred to as “candidates”, to produce their own work and research on a new area or topic to a high academic standard.

PhD requirements vary significantly among countries and institutions. The PhD, once completed, grants the successful candidate the title of “doctor of philosophy”, also called PhD or DPhil.

What is a professional doctorate?

A professional doctorate is a kind of degree that helps people become experts in their fields. Instead of focusing mainly on theory and research like a regular PhD, a professional doctorate is all about practical skills and knowledge.

This kind of doctorate is great for students who want to get better at their jobs in areas like teaching, healthcare, business, law or psychology. The courses and projects in these programmes are designed to tackle real problems you might face at work.

For example, you might have heard of the doctor of education (EdD), doctor of business administration (DBA), doctor of psychology (PsyD) or doctor of nursing practice (DNP). These programmes combine learning, hands-on projects and sometimes a thesis paper or essay to show you’re skilled at solving on-the-job challenges.

How long does it take to study a PhD?

The time required to complete a PhD can vary significantly based on several factors. Generally, a full-time PhD programme takes around three to six years to finish. However, it’s important to take into account individual circumstances and the nature of the research involved.

1. Full-time vs. part-time: If you’re studying full-time, dedicating most of your time to your studies, it usually takes about three to four years to complete a PhD. However, studying part-time while managing other commitments might extend the duration. Part-time PhDs can take around six to eight years, and sometimes even longer.

2. Nature of research: The complexity of your research proposal can influence the time required. Certain research questions may involve intricate experiments, extensive data collection or in-depth analysis, potentially leading to a longer completion timeline.

3. Field of study: The subject area you’re researching can also affect the necessary time. Some fields, such as sciences or engineering, might involve more hands-on work, while theoretical subjects might require more time for literature review and analysis.

4. Supervision and support: The guidance and availability of your academic supervisor can affect the pace of your research progress. Regular meetings and effective communication can help keep your studies on track.

5. Thesis writing: While the research phase is crucial, the stage of writing your thesis is equally significant. Organising and presenting your research findings in a clear and cohesive manner can take several months.

6. External commitments: Personal commitments, such as work, family or health-related factors, can influence your study time. Some students need to balance these alongside their PhD studies, potentially extending the duration.

7. External Funding: The availability of funding can also affect your study duration. Some funding might be linked to specific project timelines or research objectives.

So, although a PhD usually takes between three and six years of full-time study, with potential variations based on research complexity, enrolment as part-time or full-time, field of study and personal circumstances. It’s vital to have a realistic understanding of these factors when planning your PhD journey.

How long is a PhD in the UK?

In the UK, the length of a PhD programme typically ranges from three to four years of full-time study. As explained above, there are many factors to consider.

How long is a PhD in the US?

Similarly to the UK, in the United States, the duration of a PhD programme can vary widely depending on the field of study, research topic and individual circumstances. On average, a full-time PhD programme in the US typically takes between five and six years to complete.

Why does it take longer to study a PhD in the US?

PhD programmes generally take longer to complete in the US than in the UK due to various factors in the education systems and programme structures of each country:

1. Programme structure: UK PhD programmes often emphasise early, focused research from the first year, leading to shorter completion times. In contrast, US programmes commonly include more initial coursework in your first and second year and broader foundational training, which can extend the overall duration.

2. Course work requirements: Many US PhD programmes require a lot of course work, which can lengthen the time needed to finish. UK programmes tend to have fewer or no course work demands, allowing students to concentrate primarily on research skills.

3. Research funding: In the UK, PhD funding is often awarded with specific timeframes in mind, motivating completion of the research degree in the agreed duration. In the US, funding approaches can vary, requiring students to secure funding from multiple sources, potentially affecting their progress and completion time.

4. Teaching responsibilities: Some US PhD students take on teaching roles as part of their funding, dividing their time and potentially prolonging their studies.

5. Research approach: Differences in research methodologies and project scopes can affect the time needed for data collection, experimentation and analysis.

6. Academic culture: The US education system values a well-rounded education, including coursework and comprehensive exams. This can extend the time before full-time research begins. UK PhD programmes often prioritise independent research early on.

7. Part-time and work commitments: US PhD candidates might have more flexibility for part-time work or other commitments, which can affect research progress.

8. Dissertation requirements: US PhD programmes generally include a longer and more comprehensive dissertation, involving more chapters and a broader exploration of the research topic.

These variations in programme structures, funding models and academic cultures contribute to the differing completion times between the two countries.

What qualifications do you need for a PhD?

To be eligible for a PhD programme, certain educational qualifications are generally expected by universities. These qualifications serve as indicators of your readiness to engage in advanced research and contribute to the academic community.

First, an undergraduate or bachelor’s degree in a relevant field is typically the most common requirement. This degree provides you with a foundational understanding of the subject and introduces you to basic research methodologies. It serves as a starting point for your academic journey.

Do you need a master’s degree to get into a PhD programme?

In addition to an undergraduate degree, many PhD programmes also require candidates to hold postgraduate or master’s degrees, often in fields related to the intended PhD research. A master’s degree offers a deeper exploration of the subject matter and enhances your research skills. Possessing a master’s degree signifies a higher level of expertise and specialisation.

The combination of both undergraduate and postgraduate degrees demonstrates a solid academic background. This background is crucial before you engage in doctoral study because pursuing a PhD involves more than just knowledge; it requires advanced research abilities, critical thinking and the capacity to provide an original contribution and new insights into the chosen field of study.

While these qualifications are usually requested, there are exceptions. Some institutions offer direct-entry programmes that encompass bachelor’s, master’s and PhD degrees in a streamlined structure. This approach is often seen in scientific and engineering disciplines rather than humanities.

In exceptional cases, outstanding performance during undergraduate studies, coupled with a well-defined research proposal, might lead to direct entry into a PhD programme without requiring a master’s degree.

Admission requirements can vary between universities and programmes. Some institutions might have more flexible prerequisites, while others could have more stringent criteria. Make sure that you thoroughly research all admission requirements of the PhD programmes you’re interested in to ensure you provide the right information.

Are PhD entry requirements similar in other countries?

PhD entry requirements in Canada and Australia can be somewhat similar to those in the UK and the US, but there are also some differences. Just like in the UK and the US, having a bachelor’s degree followed by a master’s degree is a common way to qualify for a PhD in Canada and Australia. However, the exact rules can vary, such as how much research experience you need or the grades you should have.

In Canada and Australia, as in the UK and the US, international students usually need to show their English language skills through tests like IELTS or TOEFL. And, like in other places, you might need to give a research proposal to explain what you want to study for your PhD.

But remember, even though there are some similarities, each country has its own rules.

PhD diary: Preparing for a PhD Nine things to know before doing a PhD Women in STEM: undertaking PhD research in cancer Studying for a part-time PhD: the challenges and the benefits Is it possible to do a three-year PhD as an international student? Looking for PhD tips? Why not check Twitter PhD diary: Where do I begin? How to do a PhD on a budget

How much does it cost to study a PhD?

The cost of pursuing a PhD can vary significantly between international and home (domestic) students, and it depends on the country, university and programme you choose.

United Kingdom (UK)

Home students in the UK often pay lower tuition fees compared with international students. Home students might also have access to government funding or subsidised tuition rates.

International students typically pay higher tuition fees, which can vary widely depending on the university and programme. Fees can range from around £10,000 to £25,000 or more per year.

United States (US)

PhD programme costs in the US can be quite high, especially for international students. Public universities often have lower tuition rates for in-state residents compared with out-of-state residents and international students.

Private universities in the US generally have higher tuition fees, and international students might be charged higher rates than domestic students.

Canadian universities often charge higher tuition fees for international students compared with domestic students.

Some universities offer funding packages that include tuition waivers and stipends for both domestic and international doctoral students.

In Australia, domestic students (Australian citizens and permanent residents) usually pay lower tuition fees than international students.

International students in Australia might have higher tuition fees, and costs can vary based on the university and programme.

Apart from tuition fees, other aspects play a role in the overall financial consideration:

PhD studentship: Many universities offer PhD studentships that provide financial support to research students, covering both tuition fees and a stipend for living expenses.

Stipend and housing: Stipends are designed to cover living expenses. Stipend amounts can vary depending on the university and location. If you’re studying in London in the UK, stipends might be higher to account for the higher living costs in the city. Some universities also offer subsidised or affordable housing options for doctoral students.

Tuition and stipend packages: Some PhD programmes provide funding packages that include both tuition waivers and stipends. These packages are to help relieve the financial burden on students during their doctoral studies.

Research the financial support options provided by the universities you’re interested in to make an informed decision about the cost of your PhD journey.

What funding options are available for PhD candidates?

PhD candidates have various funding options available to support their studies and research journeys. Some of these options include:

PhD scholarships: Scholarships are a common form of financial aid for PhD candidates. They are awarded based on academic merit, research potential or other specific criteria. Scholarships can cover tuition fees and provide a stipend for living expenses.

Bursaries: Bursaries are another form of financial assistance offered to students, including PhD candidates, based on financial need. They can help cover tuition fees or provide additional financial support.

In the UK, specific funding options are available:

Regional consortium: Some regions have research consortiums that offer funding opportunities for doctoral candidates. These collaborations can provide financial support for research projects aligned with specific regional needs.

UK research institute: Research councils in the UK often offer stipends to PhD candidates. These stipends cover living expenses and support research work.

University-based studentship: Many UK universities offer studentships. You can read more about these above.

In the USA, there are also funding options available:

Research assistantships (RAs): Many universities offer research assistantships where PhD candidates work on research projects under the guidance of faculty members. In exchange, they receive stipends and often have their tuition waived.

Teaching assistantships (TA): Teaching assistantships involve assisting professors in teaching undergraduate courses. In return, PhD candidates receive stipends and sometimes tuition remission.

Fellowships: Fellowships are competitive awards that provide financial support for PhD candidates. They can come from universities, government agencies, private foundations and other institutions. Fellowships can cover tuition, provide stipends and offer research or travel funds.

Graduate assistantships: Graduate assistantships include a range of roles, from research and teaching to administrative support. These positions often come with stipends and sometimes include tuition benefits.

External grants and fellowships: PhD candidates can apply for grants and fellowships from external organisations and foundations that support research careers in specific fields. Examples include the National Science Foundation (NSF) and the Fulbright Programme.

Employer sponsorship: In some cases, employers might sponsor employees to pursue PhDs, especially if the research aligns with the company’s interests.

You can read about the current available scholarships for international students of all education levels on our website .

What does a PhD Involve?

How does a PhD work?

A PhD includes thorough academic research and significant contributions to your chosen field of study. The timeline for completing a PhD can significantly vary based on the country, college or university you attend and the specific subject you study.

The duration of a PhD programme can vary based on factors such as the institution’s requirements and the academic discipline you’re pursuing. For instance, the timeline for a PhD in a science-related field might differ from that of a humanities discipline.

UK PhD timeline example

Looking at a typical PhD degree in a London higher education institution, we can consider this example timeline.

In the initial year of your PhD, you’ll collaborate closely with your designated academic supervisor. This collaboration involves refining and solidifying your research proposal, which lays the foundation for your entire doctoral journey.

This is also the time to establish a comprehensive plan, complete with well-defined milestones and deadlines. A crucial aspect of this year is conducting an extensive literature review, immersing yourself in existing academic works to understand the landscape of your chosen research area. It’s important to make sure that your research idea is original and distinct from prior studies.

As you begin the second year, you’ll actively collect data and gather information related to your research topic. Simultaneously, you’ll initiate the process of crafting your thesis. This involves combining your research findings and analysis into sections of your thesis document.

This is also the phase where you might have opportunities to share your research insights at academic meetings, conferences or workshops. Depending on the programme, you might even engage in teaching activities. Some PhD candidates also begin contributing to academic journals or books, showcasing their findings to a broader audience.

The third year of a PhD programme often marks the final stage of your research efforts. This is when you dedicate substantial time to writing and finalising your complete thesis. Once your thesis is completed to the highest standard, you’ll submit it for thorough evaluation.

A significant milestone in the third year is the viva voce, an oral examination where you’ll defend your thesis before a panel of experts in your field. The viva voce is an opportunity to showcase your deep understanding of your research and defend your findings.

Why should you do a PhD?

For many people, acquiring a doctorate degree is the pinnacle of academic achievement, the culmination of years of commitment to higher education.

However, the act of pursuing a PhD can be a complex, frustrating, expensive and time-consuming exercise. But with the right preparation, some sound advice and a thorough understanding of the task at hand, your years as a doctoral student can be some of the most rewarding of your life. 

People choose to work towards a doctorate for many reasons. If you are looking to pursue an academic position, such as university lecturer or researcher, then a PhD is usually required.

Many people obtain a PhD as part of a partnership with an employer, particularly in scientific fields such as engineering, where their research can prove useful for companies.

In some cases, however, PhDs are simply down to an individual’s love of a subject and their desire to learn more about their field.

What are some benefits of studying a PhD?

Pursuing a PhD can have many benefits that extend beyond academic achievement, encompassing personal growth, professional advancement and meaningful contributions to knowledge.

One of the most notable benefits of a PhD is the potential for tenure in academia. Attaining tenure provides a level of job security that allows you to delve into long-term research projects and make enduring contributions to your field. It signifies a stage where you can explore innovative ideas and pursue in-depth research, fostering your academic legacy.

While not obligatory, the opportunity to collaborate on research projects with your supervisor is another valuable aspect of a PhD pursuit. These collaborations might even come with financial compensation, offering real-world experience, skill development and practical applications of your research. Engaging in such collaborations can enrich your research portfolio and refine your research methodologies.

A pivotal aspect of a PhD journey is the chance to publish your original research findings. By disseminating your work in academic journals or presenting it at conferences, you contribute to the expansion of knowledge within your field. These publications establish your expertise and reputation among peers and researchers worldwide, leaving a lasting impact.

The pursuit of a PhD can provide a unique platform to build a diverse network of colleagues, mentors and collaborators. Engaging with fellow researchers, attending conferences and participating in academic events offer opportunities to make valuable connections. This network can lead to collaborations, expose you to a spectrum of perspectives and pave the way for future research endeavours.

What is a PhD thesis? And what is a PhD viva?

A PhD thesis will be produced with help from an academic supervisor, usually one with expertise in your particular field of study. This thesis is the backbone of a PhD, and is the candidate’s opportunity to communicate their original research to others in their field (and a wider audience).  PhD students also have to explain their research project and defend their thesis in front of a panel of academics. This part of the process is often the most challenging, since writing a thesis is a major part of many undergraduate or master’s degrees, but having to defend it from criticism in real time is arguably more daunting.  This questioning is known as a “viva”, and examiners will pay particular attention to a PhD’s weaknesses either in terms of methodology or findings. Candidates will be expected to have a strong understanding of their subject areas and be able to justify specific elements of their research quickly and succinctly.

In rare cases, students going for a PhD may instead be awarded an MPhil if the academic standard of their work is not considered fully up to par but still strong enough to be deserving of a qualification.

Can you do a PhD part time? 

Many PhD and MPhil candidates choose to pursue their qualification part time, in order to allow time to work and earn while studying. This is especially true of older students, who might be returning to academia after working for a few years. 

When applying, you should always speak to the admissions team at your university to ensure this is possible and then continue to work with your supervisor to balance all your commitments. 

Can I do a PhD through distance learning?

This is something else that you will need to check with your university. Some institutions offer this option, depending on the nature of your research. 

You will need to be clear how many times you will need to travel to your university to meet with your supervisor throughout your PhD. 

Your PhD supervisor

Choosing the right PhD supervisor is essential if you want to get the most out of your PhD. Do your research into the faculty at the institution and ensure that you meet with your proposed supervisor (either virtually or in person) before fully committing. 

You need to know that not only do they have the right expertise and understanding of your research but also that your personalities won’t clash throughout your PhD. 

Remember, to complete your PhD, you will need a strong support network in place, and your supervisor is a key part of that network. 

Coping with PhD stress

If you do decide to embark on a doctorate, you may well encounter stress and anxiety. The work involved is often carried out alone, the hours can be long and many students can suffer from the pressure they feel is on their shoulders.

Ensuring that you check in regularly with your emotions and your workload is crucial to avoid burnout. If you have other commitments, such as a job or a family, then learning to balance these can feel overwhelming at times. 

Give yourself regular breaks, speak to your supervisor and ensure that you know what university resources and support systems are available to you in case you need to access them. 

Post-doctorate: what happens after you finish your PhD?

Many PhD graduates pursue a career in academia, while others will work in industry. Some might take time out, if they can afford to, to recover from the efforts of PhD study.

Whatever you choose to do, undertaking a PhD is a huge task that can open up a range of doors professionally. Just remember to take some time out to celebrate your achievement. 

How does a PhD affect salary and earning potential?

How much does a professor with a PhD make a year?

Professors with PhDs can earn different amounts depending on where they work and their experience. In the UK, a professor might make around £50,000 to £100,000 or more each year. In the US, it's between about $60,000 and $200,000 or even higher. The exact salary depends on things like the place they work, if they have tenure, and what they teach.

How much does a PhD add to salary?

Having a PhD can make your salary higher than if you had a lower degree. But exactly how much more you earn can change. On average, people with PhDs earn more than those with bachelor’s or master’s degrees. The increase in salary is influenced by many things, such as the job you do, where you work and what field you’re in.

In fields such as research, healthcare, technology and finance, your knowledge and skills from your PhD can potentially help you secure a higher salary position.

In the end, having a PhD can boost your earning potential and open doors to well-paying jobs, including professorships and special roles in different areas. But the exact effect on your salary is influenced by many things, so ensure you weigh the cost against the benefit.

How to choose a PhD programme?

Choosing a PhD programme involves defining your research interest, researching supervisors and programme reputation, evaluating funding options, reviewing programme structure, considering available resources, assessing networking opportunities, factoring in location and career outcomes, visiting the campus if possible and trusting your instincts.

How can I find available PhD programmes?

You can find available PhD programmes by visiting university websites, using online directories such as “FindAPhD”, checking professional associations, networking with professors and students, following universities on social media, attending career fairs and conferences, contacting universities directly and exploring research institutes’ websites.

How to apply for a PhD programme?

To apply for a PhD programme:

Research and select universities aligned with your interests.

Contact potential supervisors, sharing your proposal, CV and references.

Prepare application materials: research proposal, CV, recommendation letters and a writing sample.

Ensure you meet academic and language-proficiency requirements.

Complete an online application through the university’s portal.

Pay any required application fees.

Write a statement of purpose explaining your motivations.

Provide official transcripts of your academic records.

Submit standardised test scores if needed.

Some programmes may require an interview.

The admissions committee reviews applications and decides.

Apply for scholarships or assistantships.

Upon acceptance, review and respond to the offer letter.

Plan travel, accommodation and logistics accordingly.

Remember to research and follow each university’s specific application guidelines and deadlines.

How to apply for a PhD as an international student?

Many stages of the PhD application process are the same for international students as domestic students. However, there are sometimes some additional steps:

International students should apply for a student visa.

Take language proficiency tests such as TOEFL or IELTS if required.

Provide certificates if needed to validate your previous degrees.

Show evidence of sufficient funds for tuition and living expenses.

Check if you need health insurance for your chosen destination.

Translate and authenticate academic transcripts if necessary.

Attend orientation sessions for cultural adaptation.

Apply for university housing or explore off-campus options.

Familiarise yourself with international student support services.

Ben Osborne, the postgraduate student recruitment manager at the University of Sussex explains in detail how to apply for a PhD in the UK .

Giulia Evolvi, a lecturer in media and communication at Erasmus University, Rotterdam explains how to apply for a PhD in the US .

Finally, Samiul Hossain explores the question Is it possible to do a three-year PhD as an international student?

Q. What is a PhD? A. A PhD is the highest level of academic degree awarded by universities, involving in-depth research and a substantial thesis.

Q. What does “PhD” mean? A. “PhD” stands for doctor of philosophy, recognising expertise in a field.

Q. What is a professional doctorate? A. A professional doctorate emphasises practical application in fields such as education or healthcare.

Q. How long does it take to study a PhD? A. It takes between three and six years to study a full-time PhD programme.

Q. How long is a PhD in the UK? A. It takes around three to four years to study a full-time UK PhD.

Q. How long is a PhD in the US? A. It takes approximately five to six years to complete a full-time US PhD.

Q. Why does it take longer to study a PhD in the US? A. US programmes often include more course work and broader training.

Q. What qualifications do you need for a PhD? A. You usually need an undergraduate degree as a minimum requirement, although a master’s might be preferred.

Q. Do you need a master’s degree to get into a PhD programme? A. Master’s degrees are preferred but not always required.

Q. Are PhD entry requirements similar in other countries? A. Entry requirements are similar in many countries, but there may be additional requirements. Make sure to check the university website for specific details.

Q. How much does it cost to study a PhD? A. The cost of PhD programmes vary by country and university.

Q. What funding options are available for PhD candidates? A. Scholarships, assistantships, fellowships, grants, stipends are all funding options for PhD candidates.

Q. What does a PhD involve? A. PhDs involve research, seminars, thesis, literature review, data analysis and a PhD viva.

Q. Why should you do a PhD? A. There are many reasons to study a PhD including personal growth, research skills, contributions to academia and professional development.

Q. What are some benefits of studying a PhD? A. Benefits of graduating with a PhD include achieving tenure, collaborations with colleagues, publication of your work, and networking opportunities.

Q. What is a PhD thesis? A. A PhD thesis is a comprehensive document that showcases the original research conducted by a PhD candidate.

Q. What is a PhD viva? A. A PhD viva, also known as a viva voce or oral examination, is the final evaluation of a PhD candidate’s research and thesis where the panel asks questions, engages in discussions and assesses the depth of the candidate’s understanding and expertise.

Q. Can you do a PhD part-time? A. Yes, part-time options are available for PhDs.

Q. Can I do a PhD through distance learning? A. Some universities offer online PhDs; you can find out more on their websites.

Q. How to choose a PhD programme? A. You can find PhD programmes through research, by contacting faculty, checking resources and considering location.

Q. How can I find available PhD programme? A. You can find available PhD programmes on university sites, through directories and by networking.

Q. How to apply for a PhD programme A. To apply for a PhD programme, research suitable universities and programmes, get in touch with potential supervisors, gather required documents like transcripts and reference letters, complete the online application, pay any necessary fees and submit a statement of purpose and research proposal. If needed, meet language-proficiency criteria and attend interviews. After acceptance, explore funding choices, confirm your spot and get ready for the programme’s start.

Q. How to apply for a PhD as an international student A. To apply for a PhD as an international student, follow similar steps to domestic students, but you need to include securing a student visa and passing language requirements.

Q. What is a PhD dropout rate? A. The dropout rate from PhDs varies but is approximately 30-40 per cent.

Q. How does a PhD affect salary and earning potential? A. A PhD can boost earning potential, especially in research, technology, healthcare and academia. Impact varies by job, industry and location. Experience, skills and demand also influence salary.

Q. How to address a person with a PhD? A. When addressing someone with a PhD, it’s respectful to use “Dr”, followed by their last name, whether they have a PhD in an academic field or a professional doctorate. For instance, “Dr. Smith”.

Q. Is there a difference between a PhD and a doctorate? A. The terms “PhD” and “doctorate” are often used interchangeably, though a PhD is a specific type of doctorate focused on original research. A doctorate can refer more broadly to any doctoral-level degree, including professional doctorates with practical applications.

Q. What is the difference between a PhD and an MD? A. A PhD is a doctor of philosophy, awarded for academic research, while an MD is a doctor of medicine, focusing on medical practice. They lead to different career paths and involve distinct areas of study.

Q. What is the difference between a PhD and a professional doctorate? A. A PhD is an academic research-focused degree, while a professional doctorate emphasises applying research to practical fields such as education or business. PhDs often involve original research, while professional doctorates focus on real-world application.

Q. What is the difference between UK and US PhDs? A. The difference between UK and US PhDs lies mainly in structure and duration. UK PhDs often have shorter durations and a stronger emphasis on independent research from an early stage. US PhDs typically include more initial coursework and broader foundational training before full-time research begins.

Q. What is the difference between a PhD student and a candidate? A. A PhD student is actively studying and researching in a doctoral programme, while a PhD candidate has completed programme requirements except for the dissertation and is close to completion.

Q. What’s the difference between a PhD and an EdD? A. A PhD and an EdD (doctor of education) differ in focus. A PhD emphasises research and academic contributions, while an EdD focuses on applying research to practical educational issues.

Q. What’s the difference between a PhD and a DBA? A. A PhD and a DBA (doctor of business administration) differ in purpose. A PhD emphasises theoretical research and academia, while a DBA is practice-oriented, aimed at solving real business problems.

Q. What’s the difference between a PhD and a PsyD? A. A PhD and a PsyD (doctor of psychology) differ in emphasis. A PhD focuses on research and academia, while a PsyD emphasises clinical practice and applying psychological knowledge.

Q. What’s the difference between a PhD and an LLD? A. A PhD and an LLD (doctor of laws or Legum doctor) are distinct. A PhD is awarded in various disciplines, while an LLD is usually an honorary degree for significant contributions to law.

Q. What’s the difference between a PhD and an MD-PhD? A. A PhD and an MD-PhD differ. An MD-PhD is a dual degree combining medical training (MD) with research training (PhD).

Q. What is the Cambridge PhD? A. A Cambridge PhD involves original research guided by a supervisor, resulting in a thesis. It’s offered at the University of Cambridge .

Q. What is the Oxford DPhil? A. An Oxford DPhil is equivalent to a PhD and involves independent research leading to a thesis. The term “DPhil” is unique to the University of Oxford .

Q. What is the PhD programme acceptance rate? A. PhD acceptance rates vary by university, field and competition. Prestigious universities and competitive fields often have lower acceptance rates.

Q. What is a PhD supervisor? A. A PhD supervisor guides and supports a student’s research journey, providing expertise and feedback.

Q. What is a PhD panel? A. A PhD panel evaluates a candidate’s research, thesis and oral defence. It consists of experts in the field.

Q. What is a PhD stipend? A. A PhD stipend is a regular payment supporting living expenses during research, often tied to teaching or research assistant roles.

Q. What is a PhD progression assessment? A. A PhD progression assessment evaluates a student’s progress, often confirming their continuation in the programme.

Q. What is a PhD defence? A. A PhD defence, or viva, is the final oral examination where a candidate presents and defends their research findings and thesis before experts.

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What is a PhD Degree? [2024 Guide]

As you’re taking a look at potential grad school programs, you might be asking yourself, “What is a PhD degree?”

Understanding what a PhD is and what’s involved in earning one can help you decide whether to enroll in this type of doctoral program. You might decide that a PhD is a strategic step for you to take to further your career.

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If you choose to pursue a PhD, you’ll be glad to know that you can also earn this type of degree online through an accredited university.

What Is a PhD Degree?

After earning a bachelors degree and a masters degree, you may be considering taking your education even further.

The next step for you might be a Doctor of Philosophy degree, better known as a PhD. As a terminal degree, a PhD can set you apart as an expert in your field. Earning a doctoral degree is not a small undertaking. The process includes multiple steps and can last for several years.

Components of a Ph.D. degree program often include:

• Advanced courses in your chosen field
• Classes in research methods, data analysis, and scholarly writing
• Examination of current literature and studies related to your field
• Oral or written comprehensive exams
• Original research project—includes writing and defending a major paper about your research

The dissertation, sometimes known as a thesis, is usually the part of a PhD program that takes the longest. During the dissertation process, you’ll work under the supervision of a faculty advisor, often someone whose research interests correlate with yours. You’ll design a research project, carry it out, and write about your findings. This project is meant to contribute new ideas to your field.

A PhD is particularly suitable for students who love school settings and want to pursue academic careers. For instance, professors often have PhDs. It’s also common for scientists and other researchers to hold this type of degree. Outside of  academia, a PhD could set you apart as a knowledgeable leader in your field.

Benefits of a PhD Degree

Getting your PhD can be an incredible personal goal worth achieving. Plus, a degree at this level can offer many professional benefits, such as:

• Career advancement . As a person with a PhD, you may be considered an expert in your field. That could help qualify you for a variety of top roles within your line of work.
• Higher earnings . A job promotion or a new employer might offer you a higher salary.
• Networking . You can meet new people and build professional connections as you work toward a PhD.
• Preparation for becoming a professor . Universities typically prefer to hire faculty members who hold PhDs in their area of expertise.
• Research opportunities . Before you can earn your PhD, it’s necessary to complete an original research project called a dissertation. After completing your degree, you may have additional opportunities to contribute research to your field.

If you’re willing to put in the work, then getting your PhD could be worth the effort.

How to Know If a PhD Is Right for Me

Before you sign up for a PhD program, it’s helpful to carefully weigh the decision and make sure it’s the right choice for you. You might ask yourself the following questions:

• Am I willing to commit years to the process ? PhDs take at least 3 years, and most take longer than that.
• Do I want to carry out original research ? This is a research-focused degree, and the purpose is to contribute new ideas or theories to your field.
• Does an academic career interest me ? Many people get PhDs because they want to work in higher education as teachers or researchers. Those who plan to remain as practitioners often consider professional doctorates instead.

It can also be helpful to speak with faculty members and current students to get a feel for what you can expect from PhD studies.

Applying for a Ph.D: Education Requirements

It’s necessary to put in years of study before you can apply for a PhD program. Most students need to hold at least two degrees already. But, in some cases, one may be sufficient.

• Bachelor’s degree . All graduate programs require students to have earned a four-year undergraduate degree before enrolling in advanced studies. Most PhD programs don’t specify that your bachelors degree must be in the same field as your hoped-for doctoral studies, but it can help you move through a graduate-level program with more ease.
• Master’s degree . Colleges often expect students to have earned a master’s degree before applying for PhD studies, but some programs do allow students straight out of bachelor’s degree programs. Doing a master’s degree first can provide strong preparation for the advanced coursework, research, and writing that are required in doctoral programs.

It is often required that the degrees you have be from accredited colleges. It may also be necessary to meet a minimum GPA requirement, such as a score of 3.0 or higher. Some colleges prefer PhD applicants who have graduated from previous programs with honors.

Doctor of Philosophy: Admissions Requirements

Doctoral programs can be quite selective about whom they admit because they’re looking for capable students who can keep up with the demands of the program and contribute valuable new research to the field.

In addition to meeting the education requirements, you’ll also be required to turn in records that demonstrate your academic potential. Here are some common admissions requirements:

• College transcripts and professional resume
• Letters of recommendation from people who know you academically or professionally
• Statement about relevant background, research interests, or professional goals
• Proposal that presents the original research project you’d be interested in doing
• Scores from the GRE or GMAT (not always required)

You might also connect with the department’s faculty members and find someone who would be willing to serve as your academic supervisor for your dissertation. It’s beneficial for this person’s research interests to align with your own.

Some schools have you do this before admission, and others connect admitted students to supervisors later in the enrollment process.

What Does PhD Stand For?

PhD stands for “Doctor of Philosophy.” It doesn’t mean that you’ve studied philosophy at the highest levels. Rather, the word “philosophy” in the name refers back to ancient Greek. It implies that you are someone who loves and seeks wisdom and knowledge.

You can get a PhD in many different subject areas—such as a Doctor of Philosophy in Mathematics or a Doctor of Philosophy in Psychology. PhD students explore their chosen field of study in great depth. They also learn how to conduct original research, and they undertake major research projects. By graduation, they are considered experts in their fields.

What Do You Learn in a Doctoral Degree?

In a PhD program, you’ll learn about your chosen area of study, such as biology or sociology. You will also study a niche area within that field in great depth.

Research is a significant topic in any PhD program. Your courses might include topics on:

• Advanced statistics
• Dissertation preparation
• Literature review
• Quantitative and qualitative methods
• Research methodology

These research-focused classes may be tailored to your particular area of study, such as research methodology in the social sciences or advanced statistics in criminal justice research.

What Can You Do with a PhD Degree?

Many people earn PhD degrees because they want to teach at the college level. This degree is often required for tenured faculty positions at universities.

The Bureau of Labor Statistics states that most postsecondary teachers earn between $46,690 and $172,130 each year. Research scientists often hold PhDs as well. Examples include medical scientists, biochemists, and physicists.

Additionally, there are some career paths that require a doctorate for licensure. For instance, clinical and counseling psychologists usually need to receive training at the doctoral level before they can practice independently.

Do You Need a Masters to Get a PhD?

Whether you’ll need a masters before you can begin the PhD process will depend on the program you choose.

Many PhD programs require a master’s degree as an admissions requirement. Completing a master’s program can provide a strong research and writing foundation that can help you during this advanced program. Other programs, though, let students enroll with only a bachelors degree.

There might be additional classes required to prepare you for working at the graduate level, so it may take a bit longer to complete your studies. For more information on whether you need a master’s to get a PhD , you can consult the admissions requirements of each program you’re considering.

Can You Get a PhD Online?

There are many online PhD programs available for aspiring students looking for flexibility. Some PhD programs are offered entirely online. You can take all of your classes online, and you can also receive guidance from your faculty advisor and defend your dissertation from afar.

Other programs are mostly online but require some in-person experiences. You might be asked to come to campus for a week or two of intensive study. Also, you may be asked to show up in person for your dissertation defense. Either way, online PhD studies are often more accessible for working professionals than fully on-campus programs.

How Long Does It Take to Get a PhD?

Students often spend 3 to 5 years completing a PhD program. Online programs sometimes include features like year-round classes and short course terms that encourage quick completion.

The shortest PhD programs typically do not involve writing a dissertation. There may be a different final assignment, such as a capstone project, instead. You might be able to finish one of those programs in about 3 years. Not all students finish within 5 years. Some spend around a decade on this massive undertaking. Some PhD programs set an upper limit for completion, such as 7 or 8 years.

Is a PhD a Doctor?

People with PhDs are considered experts in their fields, and the degree includes “Doctor” in its name. For that reason, PhD holders often use the title “Doctor.” A college professor, for example, might go by Dr. Smith.

Even still, there’s a difference between MD vs. PhD. A person who holds a PhD is not a medical doctor. Medical doctors earn a Doctor of Medicine (MD) degree before becoming licensed to practice medicine. In most contexts, though, people refer to professionals with PhDs as “doctors.”

What Jobs Can You Get with a PhD?

People with doctorate degrees work in both academia and professional practice. Being a college professor is quite popular among people who hold PhDs. The Bureau of Labor Statistics says that a PhD can also be helpful for obtaining jobs in higher education administration, particularly as a dean or a provost.

PhD graduates may work in research as well. Research jobs are available with colleges, government agencies, and private institutions. Researchers are needed in many different fields, including biology, mathematics, computer science, and economics. PhDs also help people rise to the top in their industries, perhaps as chief executives.

How Much Does a PhD Cost?

Some graduate schools charge just $300 to $400 per credit hour. Others may charge $2,000 per credit hour or more.

Per-credit-hour rates between $600 and $1,000 are quite common. It’s helpful to keep in mind that state universities often charge less for in-state residents than nonresidents. Your total number of credit hours may depend on how many years you spend working on your dissertation.

Some universities offer tuition-free PhD programs for qualifying participants. The students may even receive a stipend in exchange for research or teaching assistance. This arrangement is more common for on-campus programs than online ones.

What’s the Difference Between a Doctorate vs. PhD Degrees?

Is a PhD a doctorate degree ? For your terminal degree, you may have the choice between a PhD degree and a professional doctorate. While they are both doctoral degrees, they do have some differences.

Professional doctorates are sometimes a year or two quicker than PhDs, but that’s not always the case.

Is a PhD Worth It?

Yes, a PhD is worth it for many students. For one thing, holding a PhD could be the key to fulfilling your professional dreams.

If you want to be a professor, for instance, there’s a good chance that you’ll be required to have this advanced degree. Even if that’s not your ultimate goal, a PhD could be beneficial. The more education you have, the more your job security usually increases.

According to the Bureau of Labor Statistics, there’s an inverse relationship between education and unemployment. As education increases, unemployment rates decrease.

Getting Your PhD Degree Online

An exciting future as an expert in your field may await. You can earn a PhD to increase your knowledge, prove your capability, and contribute new ideas to your area of study. Getting this degree is an impressive accomplishment, and it may open new doors for your career. For convenience and accessibility, you might take a look at online PhD studies.

Many accredited colleges offer robust online PhD programs. You’ll get to take advanced courses and work with respected professors. An online program can also offer opportunities for completing a thesis or a doctoral project. You could graduate prepared to make a difference in your field.

Why not start exploring your options today?

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PhD: so what does it really stand for?

Recently, during some particularly thorough literature research, I stumbled on a list of alternative interpretations of the acronym PhD. Most were funny: protein has degraded, parents have doubts. But one froze my face in a bittersweet grimace: paid half of what I deserve.

When I was still a rookie PhD student, I read with outrage an Economist article entitled the disposable academic , which argued that doing a PhD is mostly needless. Lately, I've come to think of the PhD as more of a heavily spicy meal. It doesn't matter how much you enjoy the process, once you're done, you still have half of the pain ahead.

The years of academic slog to work your way up to a full tenure slot (professorship? ha – dream on!) are not much different from the work of a PhD in terms of relentless benchwork (pipetting hand disease) and unceasing literature research (pound head on desk), served on a fixed menu with professional uncertainty (please hire: desperate). All of which result in, if not professorship, then potential heavy drinking.

PhD students and postdocs are the working class of academic research and paid accordingly. Although postgraduates are crucial to the generation, discussion and dissemination of knowledge, 50% pay (i.e half of what they deserve) is standard for PhDs in natural sciences and not even guaranteed in the arts and humanities. It's depressing to think that the overall salary of a PhD candidate is less than the cost of much lab equipment. Lab devices are meant to last years – but, hell, what about the work of PhD students in a system where knowledge is incremental?

There could be several reasons for this discrepancy. Equipment and consumables are costly and have a substantial impact on future budget setting. The number of PhDs, meanwhile, is inflated and international competition is fierce. PhD candidates are earning a degree, which shouldn't come for free, and demands motivation and not a little self-denial – including financially.

PhD candidates are at their infancy in science and being trained to do something different from their education to date – lessons in theory combined with practical labwork – as they move into more independent, innovative research. And contributing to the advancement of knowledge requires a certain naive idealism, right? But does this mean it's okay to exploit highly educated individuals ( probably heavily in debt )? No.

The possible solutions are simple. The most obvious is: raise the salary of PhD students. A remedy for the resulting scarcity of resources would be stricter selection so that only the best candidates started a PhD. Realistically though, this is never going to happen. It's not because policymakers are greedy but because it would mean a reduction of PhDs and thus a slowdown of science.

A second option wouldn't hinder research, and might even enhance it: cut the salary of professors by half. If there are solid reasons for PhDs being paid half of what they deserve, then the same hold good for professors. They too are doing something different from their previous jobs. After tenure, natural scientists move out of the lab and into an office from where they supervise the research of their team members. The knowledge acquired before (both theoretical and practical) still counts, but the job looks quite different.

Political and managerial skills are equally essential, and nurtured for the sake of tenure, not science. Top-tier staff write proposals, manage funds and coordinate subaltern research units and are sometimes scarcely involved with the generation, presentation and discussion of results which is the core purpose of science. Some department chairs merely take note of advancements generated from the institutes they preside over, but co-author papers nonetheless.

Wages of these academic administrators, then, don't deserve to sit even at 50%. And however grim this may sound to today's professors and those postdocs close to a permanent role, the benefits might appeal to future professors much more. Reduction in salaries for tenured staff will create new professorial appointments and reduce the imbalance between the number of temporary researchers and professors, while smaller research units will favour better supervision of PhD candidates and reduce fixed costs.

Today's professors probably already earn too little, after so many years of being underpaid. As one reader wrote in response to that Economist article: "The PhD student is someone who forgoes current income in order to forgo future income." But if some of the surplus resulting from a slash in professorial salaries flowed down to PhDs and postdocs, then entry level professors would be put in a better financial position.

In this light, cuts to science funding (like those we have seen recently in the US) could be an opportunity. Will they slow down scientific advancement? Most probably, yes. But here is a chance for the elite to rethink the way science is done and stop placing merit only on the levels of grant money they gain, the papers they publish, and the prestige they acquire, but instead taking a closer look at the predicament of those who prop this community up.

Advocates of competition see it as a positive outcome of the current shortage of funding and resources. But to defend job insecurity as the main incentive to scientific advancement is offensive. Science would benefit more from a harmonious coexistence of its members than by favouring ruthless competition.

Jorge Cham, creator of the wittily depressing PhD Comics series, revealed that a major motivation for his sketches was to give solace to fellow PhDs struggling as he did through their postgraduate years. He interprets the acronym as piled higher and deeper. You might think of the paper bulk on your desk, but I believe he had something else in mind.

PhD actually stands for philosophiae doctor , or doctor of philosophy. As we say in my native Italian: prendila con filosofia (take it easy, take it as it comes). And waiting for a change in the current system, or for a global PhD manifesto to emerge, one cannot take it any other way.

This blog was written by a current PhD student in Italy

This content is brought to you by Guardian Professional . Looking for your next university role? Browse Guardian jobs for thousands of the latest academic, administrative and research posts

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What Is a Doctorate Degree?

A doctorate is usually the most advanced degree someone can get in an academic discipline, higher education experts say.

What Is a Doctorate?

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It's unwise to apply to a doctoral program if you don't have a clear idea of how you might use a doctorate in your career.

In many academic disciplines, the most advanced degree one can earn is a doctorate. Doctorate degree-holders are typically regarded as authorities in their fields, and many note that a major reason for pursuing a doctorate is to increase professional credibility.

"If someone wants to be respected as an expert in their chosen field, and also wants to have a wider array of options in research, writing, publishing, teaching, administration, management, and/or private practice, a doctorate is most definitely worth considering," Don Martin, who has a Ph.D. in higher education administration , wrote in an email.

A doctoral degree is a graduate-level credential typically granted after multiple years of graduate school, with the time-to-degree varying depending on the type of doctoral program, experts say.

Earning a doctorate usually requires at least four years of effort and may entail eight years, depending on the complexity of a program's graduation requirements. It also typically requires a dissertation, a lengthy academic paper based on original research that must be vetted and approved by a panel of professors and later successfully defended before them for the doctorate to be granted.

Some jobs require a doctorate, such as certain college professor positions, says Eric Endlich, founder of Top College Consultants, an admissions consulting firm that helps neurodivergent students navigate undergraduate and graduate school admissions.

Endlich earned a Doctor of Philosophy degree, commonly known as a Ph.D., from Boston University in Massachusetts. He focused on psychology and notes that a doctoral degree is generally required to be a licensed psychologist.

"Since a Ph.D. is a research-focused degree, it can be advantageous to those seeking high-level research positions in scientific fields such as astrophysics or biotechnology," he says.

How Long it Takes to Get a Doctorate Degree

Martin, founder and CEO of Grad School Road Map, an organization that helps grad school applicants navigate the admissions process, says obtaining a doctorate is often a lengthy endeavor.

"Typically it can take between four and six years to complete any doctoral program," he says. "If comprehensive examinations and a dissertation are part of the graduation requirements, it may take a year or two longer. There is no standard amount of time – some students take seven to 10 years to finish."

Endlich says doctoral degree hopefuls should be aware that completing a dissertation may take a long time, especially if unexpected hurdles arise.

"My dissertation, for example, involved recruiting college students to complete questionnaires, and it took much longer than I anticipated to recruit enough subjects for my study," he says.

The standards for a dissertation, which include the proposal and research, are rigorous and usually involve a review and approval by a faculty committee, says Hala Madanat, vice president for research and innovation at San Diego State University in California.

"As part of dissertation requirements, some programs will require publication of the research in high-impact peer-reviewed journals," Madanat wrote in an email.

Types of Doctoral Degree Programs

According to professors and administrators of doctoral programs, there are two types of doctorates.

Doctor of Philosophy

A doctor of philosophy degree is designed to prepare people for research careers at a university or in industry, and teach students how to discover new knowledge within their academic discipline. Ph.D. degrees are offered in a wide range of academic subjects, including highly technical fields like biology , physics, math and engineering; social sciences like sociology and economics; and humanities disciplines like philosophy.

A Ph.D. is the most common degree type among tenure-track college and university faculty, who are typically expected to have a doctorate. But academia is not the only path for someone who pursues a Ph.D. It's common for individuals with biology doctorates to work as researchers in the pharmaceutical industry, and many government expert positions also require a Ph.D.

Professional or clinical doctorates

These are designed to give people the practical skills necessary to be influential leaders within a specific industry or employment setting, such as business, psychology , education or nursing . Examples of professional doctoral degrees include a Doctor of Business Administration degree, typically known as a DBA; a Doctor of Education degree, or Ed.D.; and a Doctor of Nursing Practice degree, or DNP.

A law degree, known as a juris doctor or J.D., as well as a Doctor of Medicine degree, or M.D., are also considered professional doctorates.

How to Get a Doctorate

Getting a doctorate is challenging. It ordinarily requires a series of rigorous classes in a field of study and then passage of a qualification exam in order to begin work on a dissertation, which is the final project.

Dissertations are difficult to write, says David Harpool, vice president of graduate and online programs at Newberry College in South Carolina. Some research indicates that only about half of doctoral students go on to finish their degree, and a main reason is that many never finish and successfully defend their dissertation

"Many of them are in programs that permit them to earn a master’s on the way to a doctorate," Harpool, who earned a Ph.D. from Saint Louis University in Missouri and a J.D. from the University of Missouri , wrote in an email. "The transition from mastering a discipline to creating new knowledge (or at least applying new knowledge in a different way), is difficult, even for outstanding students."

Learn about how M.D.-Ph.D. programs

There is a often a "huge shift in culture" at doctoral programs compared to undergraduate or master's level programs, says Angela Warfield, who earned a Ph.D. in English from the University of Iowa.

Doctoral professors and students have more of a collaborative relationship where they function as colleagues, she says. And there's pressure on each student to produce "significant and original research."

Many full-time doctoral students work for the school as researchers or teaching assistants throughout their program, so time management is crucial to avoid burnout. However, the dissertation "is by far the biggest battle," she says. The goal is to avoid an "ABD," she says, meaning "all but dissertation."

"In my writing group, we had two motivational slogans: 'ABD is not a degree,' and 'a good dissertation is a done dissertation,'" Warfield, now the principal consultant and founder of admissions consulting firm Compass Academics, wrote in an email.

How Are Doctorate Admissions Decisions Made?

Admissions standards for doctoral programs vary depending on the type of doctorate, experts say.

The quality of a candidate's research is a distinguishing factor in admissions decisions, Madanat says. Meanwhile, leaders of clinical and professional doctorate programs say that the quality of a prospective student's work experience matters most.

Doctoral programs typically expect students to have a strong undergraduate transcript , excellent letters of recommendation and, in some cases, high scores on the Graduate Record Examination , or GRE, Endlich says.

"The size of the programs may be relatively small, and universities need to be sure that applicants will be able to handle the demands of their programs," he says.

Because professional doctorates often require students to come up with effective solutions to systemic problems, eligibility for these doctorates is often restricted to applicants with extensive first-hand work experience with these problems, according to recipients of professional doctorates.

In contrast, it's common for Ph.D. students to begin their programs immediately after receiving an undergraduate degree. The admissions criteria at Ph.D. programs emphasize undergraduate grades, standardized test scores and research projects , and these programs don't necessarily require work experience.

Admissions decisions may also depend on available funding, says Madanat, who works with doctoral students to provide funding, workshops and faculty support to help their research.

Who Is a Good Fit for a Doctoral Program?

Doctoral degree hopefuls "should be interested in making a deep impact on their field, open-minded, eager to learn, curious, adaptable and self-motivated," Madanat says. "Doctoral programs are best suited for those whose goals are to transform and change the fields they are studying and want to make a difference in the way the world is."

Someone who loves to study a subject in great depth, can work alone or in teams, is highly motivated and wants to develop research skills may be a good candidate for a doctoral program, Endlich says.

Because of the tremendous effort and time investment involved in earning a doctorate, experts say it's foolish to apply to a doctoral program if it's unclear how you might use a doctorate in your career.

"The students are being trained with depth of knowledge in the discipline to prepare them for critical thinking beyond the current state of the field," Madanat says. "Students should consider the reasons that they are pursuing a doctoral degree and whether or not it aligns with their future professional goals, their family circumstances and finances."

Rachel D. Miller, a licensed marriage and family therapist who completed a Ph.D. degree in couples and family therapy at Adler University in Illinois in 2023, says pursuing a doctorate required her to make significant personal sacrifices because she had to take on large student loans and she needed to devote a lot of time and energy to her program. Miller says balancing work, home life and health issues with the demands of a Ph.D. program was difficult.

For some students, the financial component may be hard to overlook, Warfield notes.

"Student debt is no joke, and students pursuing graduate work are likely only compounding undergraduate debt," she says. "They need to really consider the payoff potential of the time and money sacrifice."

To offset costs, some programs are fully funded, waiving tuition and fees and providing an annual stipend. Some offer health insurance and other benefits. Students can also earn money by teaching at the university or through fellowships, but those adding more to their plate should possess strong time management skills, experts say.

"Graduate school, and higher education in general, can be brutal on your physical and mental health," Miller wrote in an email.

But Miller says the time and effort invested in her doctoral program paid off by allowing her to conduct meaningful research into the best way to provide therapy to children affected by high-conflict divorce and domestic violence. She now owns a therapy practice in Chicago.

Miller urges prospective doctoral students to reflect on whether getting a doctorate is necessary for them to achieve their dream job. "Really know yourself. Know your purpose for pursuing it, because that's what's going to help carry you through."

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“M.D.” vs. “Ph.D.” vs. “Dr.”: Are They Synonyms?

Quick: when you hear the word doctor , what do you picture?

Most would probably describe someone in a white lab coat with a stethoscope hanging around their neck or someone in medical scrubs—someone you would seek out if you have a deep cut that needed stitches.

That word doctor , however, is a title assigned to many who don’t come close to that description, many of whom you wouldn’t want stitching up that cut. Take your English professor, for instance. No offense, Dr. Barrett. 

It can all be a bit confusing, which is why it’s important to know who and why someone might be called a doctor , as well as what all those initials and abbreviations after their name mean. Here we break it all down.

What does Dr. mean?

Let’s start with doctor or D r . for short. While the first definition of the word is “ a person licensed to practice medicine,” that doesn’t mean you want to take medical advice from anyone who calls themselves a doctor . There are many looser definitions of the word that follow and, frankly, make things a bit confusing.

For example, the third definition is older slang for a “cook, as at a camp or on a ship,” while the seventh entry is “an eminent scholar and teacher.” Bugs Bunny didn’t help matters either by plying anyone and everyone with his famous greeting,“What’s up, doc?” 

The term doctor can be traced back to the late 1200s, and it stems from a Latin word meaning “to teach.” It wasn’t used to describe a licensed medical practitioner until about 1400, and it wasn’t used as such with regularity until the late 1600s. It replaced the former word used for medical doctors— leech , which is now considered archaic. 

WATCH: When Did The Word "Doctor" Become Medical?

Physician vs. doctor : are these synonyms.

While the term physician is a synonym for doctor , it’s typically used to refer to those who practice general medicine rather than those who perform surgery, aka surgeons . 

A quack , on the other hand, is defined as “ a fraudulent or ignorant pretender to medical skill.”

What does M.D. mean?

Moving on to initials that carry more weight than a nod from Bugs, let’s look at M.D.s .

M.D. , which can be used with or without the periods ( M.D. or MD )  is the designation for a medical doctor. This is earned by attending medical school (typically a four-year program after completing at least one undergraduate degree, plus a residency program), and learning to diagnose patients’ symptoms and offer treatment. 

The initials M and D stem from the Latin title  Medicīnae Doctor. There are many different types of doctors, with different specialties, but if you have a physical ailment, visiting a doctor with the initials M.D. is a good place to start.

Specialty doctors may add even more initials to their title, such as DCN (doctor of clinical nutrition), DDS (doctor of dental surgery), or countless others they acquire with additional training. To make things even more confusing, some may add abbreviations from medical associations they belong to, such as FAAEM (Fellow of the American Academy of Emergency Medicine). 

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What does Ph.D. mean?

As for Ph.D. , this stands for “doctor of philosophy.” It stems from the Latin term Philosophiae Doctor.

You can get a Ph.D. in any number of subjects, from anthropology to mythological studies. It’s not an easy feat, however, as to earn one, you must do original research and write a dissertation . 

Ph.D. vs. M.D .: are these synonyms?

There are two big differences between Ph.D. s and M.D .s. When it comes to medicine, M.D.s can prescribe medications, and Ph.D.s can’t. And yes, it’s possible to be both an M.D. and a Ph.D. In fact, some med schools offer programs in which you can achieve both simultaneously. 

You can also get a professional doctorate degree in a number of fields. For example, you might receive a doctorate of education, an  Ed.D . 

So, in a nutshell, both M.D.s and Ph.Ds can be referred to as doctors . If you’re looking for someone to treat what ails you physically, then you want at least an M.D. following their name. If you want to dig deep into a subject and get advice from someone who has done their own research and who likely knows the latest and greatest developments in a particular area, then you’re probably looking for a Ph.D. And if someone has both, even better—depending on your needs, it may be just what the doctor ordered.

Want more synonyms? Get Thesaurus.com’s sizzling synonyms right in your inbox! 

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Psy.D. In Clinical Psychology

Welcome to the Clinical Psychology Psy.D. Program at Florida Institute of Technology. The program at Florida Tech that leads to a Psy.D. in clinical psychology is accredited by the American Psychological Association* and offers students training based on a practitioner-scholar model that prepares students for entry-level positions as clinical psychologists.  To achieve that goal, we are committed to training students with strong and continually developing clinical competencies, whose clinical work is informed by the scientific and theoretical knowledge base of the discipline of psychology, and whose graduates respect and value cultural and individual difference, and who maintain the highest professional principles and standards.

What Makes Florida Tech's Psy.D. in Clinical Psychology Stand Out?

• Accredited by the American Psychological Association* since 1983
• Opportunities for advanced coursework and practica in emphasis areas: Neuropsychology, Child/Family, Integrated Behavioral Health, and Forensic.
• In-depth training in psychological assessment and integrated psychodiagnostics
• Curriculum that addresses current trends in psychology including Integrated Behavioral Health Care, Clinical Neuropsychology, Assessment, Trauma and Child Psychology
• On-site practicum training facility
• A large network of community-based practicum sites offering many different training opportunities
• Good student-to-faculty ratio, with annual cohorts of approximately 20
• Colleague-in-training atmosphere
• Excellent internship match rate
• Flat-rate tuition program
• Warm climate, great location, close to beaches
• Relatively low cost of living, ample and reasonably priced housing available off campus

Our program leading to a Psy.D in Clinical Psychology trains students to become practicing clinical psychologists with core competencies in relational/clinical skills, comprehensive psychological assessment, clinical treatment interventions, research and evaluation skills, consultation and education, management and supervision, and diversity issues.

We have several opportunities for advanced course work. These areas are:  

• Family/Child Psychology
• Forensic Psychology
• Clinical Neuropsychology
• Integrated Behavioral Healthcare/Health Psychology  

Admission Requirements

An applicant must possess a bachelor's degree from an accredited institution of higher learning. Although it is not necessary for the major area to have been psychology, it is required that those entering without a previous degree in psychology will have completed at least 18 credit hours of psychology coursework at the time of application. These courses must have been taken in a department of psychology, and should include statistics, personality theory, abnormal psychology, learning, physiological psychology and social psychology.

All application materials must be received by December 1 of each year.

Visit the graduate admissions information page for all the information you need to apply to the program. Admissions applications must include transcripts, GRE general test scores, a personal statement, two letters of recommendation, and a resume or CV.

Students we will consider for admission will receive an invitation approximately two weeks prior to our Interview Day, typically held in February. Attendance at Interview Day is VERY strongly recommended.

*Questions related to the program's accredited status should be directed to the Commission on Accreditation:

Office of Program Consultation and Accreditation American Psychological Association 750 1st Street, NE Washington, DC 20002

Phone: (202) 336-5979 Email: [email protected] Web: www.apa.org/ed/accreditation

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