the formal presentation

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Presentations give you the opportunity to share and receive feedback on your ideas and research findings.  This page offers basic guidelines for organizing, designing, and delivering formal presentations. It also provides links for further discussion and examples.

But before you get started…

Know your audience.  As an engineer, you will deliver formal presentations to different audiences who have varying levels of technical knowledge: undergraduates, graduate students, professors, university administrators, and supervisors and colleagues in industry. Anticipate what your audience already knows about your topic. If you are unsure how to address your audience, imagine having a conversation about your topic with a member of the audience. You would employ different diction and sentence structures to discuss your work with a fellow engineering student than you would to explain it to a marketing student, wouldn’t you? Ideally, you address audience members on a field of shared knowledge and then lead them to greater understanding.

Also try to anticipate your audience’s mood.  You should organize your presentation differently for a friendly audience than you would for a skeptical or hostile one. Generally speaking, a friendly audience will likely accept an early assertion of your main point, followed by supportive details.  A skeptical audience, however, responds more productively to a presentation of shared concerns, followed by a “delayed thesis,” or main point (Ramage & Bean, 1995, 164).

Finally, make sure you know your audience’s preferences for presentations. Does your audience expect or require PowerPoint or other presentation software? Does your audience, like Edward Tufte (2010), despise PowerPoint? Would your audience prefer other modes of presentation, such as displaying slides as  Web pages  (Olivo, 2006)? These types of questions may be difficult to answer for someone with little presentation experience, but doing some initial research into your audience’s expectations will make you a more effective presenter.

Organizing the Presentation

Most presentations have three distinct sections: Introduction, Middle, and Conclusion. 1. Draft the Introduction. 

Figure 1. Sample title slide

Think like a journalist: the introduction should explain the “who, what, when, where, and why” of your research.  The Middle will explain the “how.” Your title slide will convey much of this information. Fig. 1 shows a title slide that includes the “who, what, and where.” Make sure you attend to font size and color contrast so that your names are visible. Also, spell out the names of your university and department even though they may be obvious. If you receive external funding for your research, your title slide should identify the source of your support. At this stage, consider your Introduction as a rough draft. You will revise it later.

2. Concentrate on the Middle and Conclusion.

  Imagine yourself at the end of your presentation. What exactly do you want the audience to learn, or take away?  Engineering communicators recommend that you focus on 3-5 points per presentation (Doumont, 2009).  Yet at a busy conference, most of us can realistically remember only the main point of each speaker (Alley, 2003, 153.). Prioritize your points in order of importance.  Make sure all the information you include in the Middle of your presentation contributes to your most important point; too many unnecessary details will veil the important information. Select the most persuasive visual data to use as supporting evidence.

3. Organize your argument and support.

First, avoid your computer (Grant, 2010). Instead, write down your points on note cards and organize the cards, so you can see the entire structure at a glance and make changes quickly. If you begin this work on presentation software, you risk wasting time on slide design details. This process will also help to remove unnecessary information that does not support your main points. It will be earlier to throw away a notecard that you scribbled on than to delete a slide that took you an hour to perfect.

Repetition helps you to emphasize important information. If you want the audience to remember a point, allude to it early, present the information as clearly as possible, and repeat your point in the conclusion.

4. Finally, return to your Introduction. 

Review all the material in your draft, including your title.  Make sure your Introduction explains why your work is important—and why we should pay attention to you. Also explain the larger context of your work (or the “big picture”) for the least technically knowledgeable member of the audience; that person could have the most power or money to help you. If your presentation will last longer than 5 minutes, provide an overview slide to outline the contents. You can use the overview to explain your scope: what you will discuss and what you will not.

Designing the Slides

As an undergraduate, you will normally use PowerPoint for your slide designs, but you should know its limitations. Remember three principles:

Figure 2. Dr. Kristina M. Johnson (2010).

1. Slides should support your message,  not act as a substitute. If you watch the talks on  Ted.com  you will notice that the focus is on the speaker, not the slides. Watch  Dr. Kristina M. Johnson  (Fig. 2), an engineer and the former Under Secretary for Energy, discuss the Clean Energy Economy for 20 minutes at the Institute of International and European Affairs. We do not need slides to understand what she is saying.

2. Visual presentations and written reports speak different languages . In other words, don’t simply cut-and-paste words and illustrations from your reports onto the slides. Consider how your presentation audience differs from your reader, and how you can use the language of visual presentation to advantage. Fig. 3 shows another slide from the student presentation featured above in Fig. 1. Here, the authors show at a glance how decision-making factors (in blue) match their more specific goals in designing the production facility.

Figure 3. From “Monoclonal Antibody Production Facility,” (Eberly, Forschner, & Owens, 2010).

3. Keep the slides simple.  The more complex your material, the easier you should make the presentation for the reader.  As Doumont puts it, “maximize signal-to-noise ratio” (2010).  Neuroscientist Stephen Kosslyn observes that “audience members can only typically handle four ‘perceptual units’ (a word, phrase or picture) at a time” (Grant, 2010). Avoid long bullet lists, complex flow charts, and tables full of fine detail. Pay attention to the size of words and images. Alley recommends keeping the font side no smaller than 18 points (2003, 116).  What if you need to show the fine detail? Make a handout.

Three websites offer detailed advice on how to prepare slides for engineering presentations:

Michael Alley’s  Writing Guidelines for Engineering and Science Students  at Penn State includes links to pages that discuss examples of excellent slide designs and suggest an alternative template to PowerPoint’s default. Alley presents an argument for the “Assertion-Evidence Structure”, in which a sentence-headline states the “assertion” and the body provides the “evidence.”

Jean-Luc Doumont’s support website for his book  Trees, maps, and theorems  gives crisp, straightforward advice for producing technical documents, oral presentations, and illustrations. In his link, “Explore the Topics,” a section on “Effective Graphical Displays” shows how to improve graphs, with useful before-and-after examples.

Melissa Marshall’s  Becoming an Effective Presenter of Engineering and Science ,  also at Penn State, gives detailed guidelines to Structure, Speech, Delivery, and Visual Aids. One particularly useful feature of this site is its use of video examples, both from TED talks and student presentations.

Practicing the Delivery

Public speakers, politicians, and professional actors get nervous before stepping onto a stage, so why shouldn’t you? Arguably, some degree of “nervousness” works to your advantage in that it keeps you alert and energizes your performance. Still, learning to channel that energy takes time and practice. The delivery could make or break a presentation, so start planning it early. Prepare your delivery as follows:

1. Create note cards.   Even if you are asked to “present a paper,” don’t plan to read the entire paper out loud. Outline it on cards, legibly stating the major points. Make sure you know your sources for all your information. If you are using presentation software, the sources should be cited on the slide. If not, list the source on your note cards. You may be called on your sources during the Question and Answer period.

2. Practice in front of friends —not just the mirror. It is amazing how quickly your brain will disregard the 10 hours of practicing you did at home when faced with another human being. A real audience, however small, will help give you a sense of the “nerves” you will experience and alert you to lapses in clarity or design flaws in your slides. Practice maintaining eye contact as much as possible. Practice twice, and note your improvement. If you are soft-spoken, practice in the largest lecture room possible. Ask a friend to sit in the back row so you can practice voice projection.

3. Visit the location if possible.   For presentations on campus, you should be able to visit the room beforehand.

Note the size of the room and where you will stand. If you are presenting in a large lecture hall, check your slides for visibility from the back row. Test the projector and screen controls and arrange for technical support if necessary.

4. Remember  Murphy’s laws . Prepare for your laptop to crash, for the projector light bulb to blow out, for your partner not to show up. If you are presenting outside the University, prepare a backup plan to deliver your talk from memory, with handouts.

5. Anticipate questions and challenges . Be ready to elaborate on each major point. Prepare to support your sources, your methods, and your conclusions without appearing to go on the defensive.  If you do not know the answer, say so.

References and Resources:

Alley, Michael (2007).  The Craft of Scientific Presentations.  Retrieved March 31, 2016 from  http://www.craftofscientificpresentations.com

Doumont, Jean-Luc (2009). “Trees, maps, and theorems” from  Principiae: Structuring Thoughts . Retrieved Sept. 10, 2010 from  http://www.principiae.be/

Eberly, Hayley; Forschner, Caitlin; Owens, Lauren (Spring, 2010). “Monoclonal Antibody Production Facility.” PowerPoint presentation from ChE 473 K, Process Design and Operations. The University of Texas at Austin, Austin, Texas.

Grant, Bob. (3 Jan., 2010). “Pimp your PowerPoint.”  The Scientist.  Retrieved Dec. 29, 2010 from  http://www.the-scientist.com/article/display/57186/

Johnson, Kristina M. (8 July, 2010). “Growing a Clean Energy Economy.” Address to Institute of International and European Affairs. Retrieved Sept. 10. 2010 from  http://www.youtube.com/watch?v=Jgj1tkJfXaA

Marshall, Melissa. (2010).  Becoming an Effective Presenter of Engineering and Science . Retrieved Sept. 10, 2010 from  http://www.engr.psu.edu/speaking/Visual-Aids.html

Olivo, Richard (2003-2006). “A Flexible Alternative to PowerPoint.” Derek Bok Center for Teaching and Learning. Retrieved Sept. 12 from  http://isites.harvard.edu/fs/html/icb.topic58474/notPPT.html

Ramage, John D. and Bean, John C. (1995). Writing Arguments: a Rhetoric with Readings . 3rd ed. Boston: Allyn and Bacon.

Ted.com (2010). Retrieved Sept. 10 from  http://www.ted.com/

Tufte, Edward R. (2010). “The Cognitive Style of PowerPoint: Pitching Out Corrupts Within,” from The Work of Edward Tufte and Graphics Press.  Retrieved Sept. 10 2012 from  http://www.edwardtufte.com/tufte/powerpoint

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Article • 10 min read

How to Structure a Presentation

Choosing the best format for your audience.

By the Mind Tools Content Team

Have you ever sat through a rambling, disorganized presentation? If so, you probably found it hard to follow what the speaker was saying.

When presentations don't flow well, it's easy for audiences to get lost. This is why it's important to think carefully about the structure and organization of your presentation.

In this article, we'll explore some common structures that you can use next time you speak in front of other people.

The Importance of Structure

Without a defined structure, your audience may not be able to follow your presentation. When this happens, your opportunity is lost, the communication fails, and your reputation takes a hit. For example, if your aim is to persuade people, you'll want to use a different approach from the one you'd use if you wanted to demonstrate how a product works.

Many factors can influence your choice of structure, but the most important consideration is your presentation's purpose or goal. You need to identify what you want to achieve – do you want to inspire, motivate, inform, persuade, or entertain people?

Your audience's needs also affect the structure you choose. For example, those who are new to your topic need more background information than people with more expertise and experience. So, in this case, you'd want to choose an approach that gives you ample time to explain the context of your subject, as well as to reinforce your main points.

Structures to Consider

Below, we outline several structures that you can use to organize your presentation.

1. Open – Body – Conclusion

The Open – Body – Conclusion approach is one of the most practical structures you can use for presentations. (Click here to download a worksheet that helps you use it.)

People often call it the "tell 'em" approach, because you:

• Tell audience members what you're going to tell them (introduction).
• Tell them (body).
• Tell them what you told them (conclusion).

This structure is simple, effective and easy to remember. Its repetitive nature allows you to reinforce your points, which helps others remember them. It is also flexible: you can adjust the introduction and body to persuade, motivate, educate, or entertain them.

One downside, however, is that repetition can quickly bore people. The approach is also "old hat" to many, which can cause them to lose interest. If you choose to use it, balance repetition with plenty of interesting facts, images, anecdotes, or stories to hold your audience's interest.

Let's look at each stage of the Open – Body – Conclusion structure in detail and discuss the elements that you need to include in each. We'll start with the body, rather than the introduction, because the rest of your presentation will be based on that.

The body of your presentation needs to contain your key points. You should present these in a logical order, so that your audience can follow them easily.

Keep in mind that the body should comprise a limited number of ideas: the more you try to include, the fewer people will remember. A good guide is to cover three to five main points, but no more.

When organizing your ideas, use the chunking principle to put the information into specific units. This will make the concepts easier to grasp, and help people remember what you have told them.

Make sure that you back up your main points with facts. Use good information-gathering strategies in your research, and consider citing the sources that you use. To add credibility to your presentation, consider using the following information to support your ideas:

• Data, facts or statistics.
• Images or diagrams.
• Stories and examples.
• Quotes or testimonials from experts or industry leaders.

Reliable sources will strengthen your credibility , and build trust with your audience.

Your opening, or introduction, has two main purposes: to grab your audience's attention, and to cover the key points that you intend to talk about.

Instead of telling people what you plan to say, you can use a different approach and explain why they are there. What will they learn from your presentation, and how will the content benefit them?

It's also important to get their attention right from the beginning. You can do this in several ways:

• Tell a story.
• Ask a rhetorical question.
• Play a short video.
• Make a strong or unexpected statement.
• Challenge your audience.
• Use a quotation or example.
• Appeal to people's self-interest.
• Request a specific action.
• Use suspense.

If you plan to answer questions at the end of your presentation, it's a good idea to mention this in the introduction, so people don't interrupt you mid-flow.

Many presenters overlook the importance of a conclusion – but the statements you finish with are what many audience members will remember best.

With the "tell 'em" approach, your conclusion summarizes the main points in the body of your presentation. If you want people to take action, be specific about what you want them to do.

Think carefully about how you want them to feel once you've finished; your conclusion is a great opportunity to reinforce this. Why not inspire them with a great story, a quote or a compelling call to action?

2. The Sandwich Approach

The Sandwich Approach is a variation of the Open – Body – Conclusion structure. This three-part structure covers:

• Advantages and/or benefits of your message or idea.
• Risks and concerns.
• How the benefits manage or eliminate those risks.

This approach is effective when you want to persuade audience members, or change their minds.

Having evidence to support your position is critical. However, factual data and reams of spreadsheets and charts are not highly persuasive. What people respond to is "vivid" evidence that brings your concept or argument to life.

To brush up on your persuasion skills, look at The Rhetorical Triangle . This tool asks you to consider your communication from three perspectives: those of the writer, the audience and the context. It's a method that builds credibility, and helps you ensure that your arguments are logical.

3. Monroe's Motivated Sequence

Monroe's Motivated Sequence is another good structure to use when you need to motivate or persuade. This sequence consists of five key steps:

• Getting your audience's attention – Use an interesting "hook" or opening point, such as a shocking statistic. Be provocative and stimulating, not boring and unemotional.
• Creating a need – Convince the audience there's a problem, explain how it affects them. Persuade them that things need to change.
• Defining your solution – Explain what you think needs to be done.
• Describing a detailed picture of success (or failure) – Give people a vision; something they can see, hear, taste, and touch.
• Asking the audience to do something straight away – Get them involved right from the start. If you do this, it's then much easier to keep them engaged and active in your cause.

4. Demonstration Structure

Use a simple demonstration structure when you are unveiling a new product or service.

Start by explaining why the product or service is so good. What makes it special? What problem will it solve for people?

Next, demonstrate what it does. How you do this will depend on your product but, whatever you do, make sure it works! Bring any important points to the audience's attention and provide helpful tips, where appropriate. Show them the results, and finish by giving them useful information, a good understanding of your topic, and something to remember.

Don't get too wrapped up in the detail; remember to keep it simple. Your presentation will be more powerful and your audience will remember more if you highlight just a few of the most important features. This will whet their appetite, and leave them wanting to know more.

5. Opportunity, Benefits, Numbers Structure

The Opportunity, Benefits, Number (OBN) structure is useful when you face busy people who want to hear what you have to say in the shortest time possible.

To use this structure, give audience members a quick summary of the opportunity that they need to consider, and outline the benefits that they can expect. Then, show them the numbers that back up your claims. [1]

For example, imagine you are explaining why your company should implement a new performance management system. First, you might give some background on the proposal – for example, you want to drive a high-performance culture. Then, you could explain the benefits, such as improving organizational performance and profits. Finally, you could compare the cost of bringing the system in with the predicted return on investment, based on a similar system at another organization.

Presentations that lack a clear flow are confusing and ineffective. This is why it's important to pay careful attention when choosing the most appropriate structure.

Different structures fulfill different purposes. Before you begin, think about why you are giving your presentation. Do you want to inform, persuade, inspire, or entertain your audience?

The most common structure for presentations is Open – Body – Conclusion. This is often effective because it gives you the opportunity to repeat your key points a number of times. However, other structures can be more appropriate, depending on the circumstances, such as when you're trying to persuade an audience, demonstrate a product, or provide information in the most time-efficient way.

Download Worksheet

[1] Martinuzzi, B. (2013). '11 Ways to Structure a Knockout Presentation,' from American Express OPEN Forum [online]. Available here . [Accessed 7 August 2014.]

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