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Designing Effective Oral Presentations


The ability to speak effectively is as crucial as the ability to write effectively, according to studies about kinds of communications most often required of employees.

During a routine week, employees will actually spend more time speaking than writing; using the phone; conversing informally with colleagues, subordinates, and superiors on routine office topics; conducting meetings; working in problem solving groups; conducting employee evaluation sessions; participating in teleconferences and sales presentations; and frequently becoming involved in formal speaking situations before groups inside and outside the organization. Communication research also reveals that the higher an employee moves in an organization, the more important speaking skills become.

Oral presentations, like written presentations, can enhance an employee's reputation within an organization. Therefore, consider every speaking opportunity an opportunity to sell not only your ideas but also your competence, your value to the organization.

The purpose of this section of the OWL is to provide you the basic strategies for presenting technical and business information in an oral presentation. You will use many of the same strategies in developing an oral presentation that you use in preparing an effective written document. Understanding similarities between writing and speaking can be helpful for several reasons. Many times, you will be asked to document an oral presentation you have given; that is, you must submit what you said in written form. Or, you may be asked to make an oral presentation of a written document.

Being an effective speaker and an effective writer requires you to:

Because listening is a different information-processing method than reading, you will need to know how to adapt guidelines for organization, style, and graphics to fit the speaking situation. However, you will see that writing and speaking, despite their differences, are similar communication activities.

For more information on oral presentations in a business setting, click here.

For more information on oral presentations in a scientific setting, click here


Understand the Context of your Presentation

In order to understand the situation or context of your presentation, ask yourself the following questions:

  • What is the broader concern underlying the need for the presentation?
  • What primary issues underlie the presentation?
  • How does your presentation relate to these issues?
  • What will be happening in the organization when you make your presentation?
  • How does your presentation fit into the organizational situation?
  • If you are one of several speakers, what kinds of presentations will the other speakers be making?
  • In what surroundings will you be making the presentation?
  • What will happen in the situation before and after your talk?
  • How does your talk relate to other participants' actions?

For example, delivering a presentation at a meeting of project directors is different from briefing other people in your team about what you've been doing. Making a presentation at a company picnic is different from delivering a presentation at the annual meeting of a professional society. Knowing the situation is as important as knowing your audience and your purpose. In many cases, situation will be inextricably bound up with questions of audience attitude and the way you shape your purpose. Audience attitude frequently results from situational problems or current issues within the organization, and what you can or should say in your presentation, your purpose and the content you choose to present may be dictated by the context surrounding your presentation and the perspective that your audience brings.

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Analyze your Audience

Analyzing your situation is often difficult to separate from analyzing your audience; in fact, audience is one facet of the larger situation.

Just as readers determine the success of written communication, audiences determine the success of oral presentations. Writing or speaking is successful if the reader or listener responds the way you desire: the reader or listener is informed, persuaded, or instructed as you intend and then responds the way you want with good will throughout.

Just as writing effectively depends on you understanding your reader as thoroughly as possible, effective speaking depends on you understanding your listener. You cannot speak or write effectively to people without first understanding their perspective. You must know how your audience will likely respond based on its members' educational and cultural background, knowledge of the subject, technical expertise, and position in the organization.

When you analyze your audience, focus on its members' professional as well as personal attributes. Your audience members will pay attention to some things because they belong to a specific department or class; they'll react to other things because of their likes, dislikes, and uncertainties. You have to keep both profiles in mind. Your analysis will suggest what you should say or write, what you should not say, and the tone you should use.

To help you analyze your audience, ask the following questions:
  • How much do my audience members know about the subject?
  • How much do they know about me?
  • What do they expect from me?
  • How interested will they be in what I say?
  • What is their attitude toward me?
  • What is their attitude toward my subject?
  • What is their age group?
  • What positions do their occupy in the organization?
  • What is their educational background?
  • What is their cultural/ethnic background?
  • What is their economic background?
  • What are their political and religious views?
  • What kinds of cultural biases will they likely have toward me and my topic?

In viewing this list, you will note the prevalence of questions on attitude--the audience's attitude toward you as well as the subject. Some attitudes will matter more than others, according to the situation.

These questions are particularly crucial ones, since you need to know, before you begin planning your presentation, whether your audience will consider you trustworthy and credible. To be an effective speaker, you must know your audience, establish a relationship by being sincere and knowledgeable about the subject, then conform to their expectations about dress, demeanor, choice of language, and attitude toward them and the topic.

When you speak to people from other countries, you should plan to do research on the culture of that country. Be aware that hand gestures you use routinely with US audiences may have different meanings in other cultures. Also, the clothing you choose to wear should also be selected with the culture of the audience in mind. If the audience and situation call for more formal clothing than you usually wear, practice your talk wearing the clothes you'll be wearing at the presentation. For information about speaking to multicultural audiences, click here.

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Understand and Articulate your Presentation's Purpose

Oral presentations, like written presentations, must be designed around a specific purpose.

As a writer or a speaker, you must know your purpose.

You must conceive your purpose in terms of your audience's needs. Both written and oral communication often have multiple objectives. The main purpose of your presentation may be to report the status of a project, to summarize a problem, to describe a plan, or to propose an action, but your long-range objective may be to highlight or document important specific issues within the topic about which you are speaking and to further establish your credibility within the organization. You may want the audience to dislike another proposed solution, to desire a more comprehensive solution, or decide there isn't a problem after all.

As you plan, state your purpose in one sentence.

Then, as you begin your presentation, state your goal in terms of your audience's background and attitude; announce your purpose early in the presentation to prepare your audience for the main ideas to come. You may want to restate the purpose in words familiar to the audience.

Like the report or letter, the oral presentation must make its purpose clearly evident at the beginning. By knowing what they will be hearing from the beginning of the presentation, audience members can more easily focus their attention on the content presented and see connections between parts of the talk.

The effective presentation requires you to focus your audience's attention on what you are saying. A good way to grab your audience's attention is to develop a title that, at the very least, reflects the content of your presentation but does so in an interesting way. Like the title of a formal report or the subject line in a letter, memo, or informal report, the title of an oral presentation should prepare your audience for the content you will present. Therefore, from the beginning of the presentation, your audience is prepared for what you will say.

You may also wish to introduce your topic with an attention-getting device: a startling fact, a relevant anecdote, a rhetorical question, or a statement designed to arouse your audience's interest. Again, the device you choose will depend on the audience, the occasion, the purpose of the presentation.

Or, if your audience is not readily familiar with the subject, you may want to include background material to help them grasp and process your main points Tell your audience what points or topics you plan to cover so that your audience can sense and then follow the direction of your statements.

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Choose and Shape your Presentation's Content

Preparing an oral presentation often requires the same kind of research needed for a written report.

First, you will need to determine what information you will need.

In selecting content, consider a variety of information types: statistics, testimony, cases, illustrations, history, and particularly narratives that help convey the goal you have for your presentation. You will also want to choose information that will appeal to your audience--particularly their attitudes, interests, biases, and prejudices about the topic.

Because listening is more difficult than reading, narratives can be particularly effective in retaining the attention of your listeners. While statistics and data are often necessary in building your argument, narratives interspersed with data provide an important change of pace needed to keep your listeners attentive.

In short, vary your content type, but be sure that all information you include pertains to the goal of your presentation.

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Organize Your Presentation

The structure of the oral presentation is crucial for one main reason: once you have spoken, the audience cannot "rehear" what you have said. In reading, when you do not understand a sentence or paragraph, you can stop and reread the passage as many times as necessary. When you are speaking, however, the audience must be able to follow your meaning and understand it without having to stop and consider a particular point you have made, thereby missing later statements. To help your audience follow what you say easily, you must design your presentation with your audience, particularly their listening limitations, in mind.

Audiences generally do not enjoy long presentations. Listening is difficult, and audiences will tire even when a presentation is utterly smashing. For that reason, as you design your presentation and select content, look for ways to keep your message as concise as possible. Don't omit information your audience needs, but look for ways to eliminate non essential material. Again, without carefully analyzing your audience's attitude toward the subject, its background, knowledge of the topic, and perspective toward you, you cannot begin to make accurate decisions regarding either content or design and structure of your presentation.

Ask yourself the following questions:

  • Is your audience interested in what you will say?

  • What are the main questions they will want you to answer?

  • Which of these questions is most important? least important?

  • Based on your purpose and the audience's expectations, in what order should you present these ideas?

Helping your audience follow your message easily requires that you build into your structure a certain amount of redundancy. That means that you reiterate main points. When you divide your presentation into an introduction, the main body, and the conclusion, you are building in this necessary redundancy.

In the introduction, you "tell them what you are going to tell them"

In the main body, you "tell them"

In the conclusion, you "tell them what you told them"

This kind of deliberate repetition helps your audience follow and remember the main points you are making. (Readers can "reread" text, but listeners cannot "rehear" oral remarks.) To design your presentation with planned repetition, you must clearly know your purpose and what you want your audience to know.

The introduction should clearly tell the audience what the presentation will cover so that the audience is prepared for what is to come.

In planning your introduction, be sure that you state your goal near the beginning. Even if you use some type of anecdote or question to interest your audience, state the goal of your presentation next. Then, state how you will proceed in your presentation: what main issues you will discuss. The main ideas you have developed during the research and content planning stage should be announced here. Generally, the introduction should end with a reiteration of your main point.

The body should develop each point previewed in the introduction.

In the introduction you state the main issues or topics you plan to present. Thus, in designing the body of the presentation, you develop what you want to say about each of these main points or ideas. You may want to present your ideas in a chronological sequence, a logical sequence, or a simple topical sequence. This method will help your audience follow your ideas if you are giving an informative speech, an analytical speech, or a persuasive speech. The important point, however, is that you need to demarcate and announce each point in the body as you come to it so that your audience knows when you have completed one point and begun another.

The conclusion should reiterate the ideas presented and reinforce the purpose of the presentation. It usually answers the question: "so what?"

The conclusion to the presentation should help the audience understand the significance of your talk and remember main points. At a minimum, you should restate the main issues you want your audience to remember, but do so in a concise way. Try to find a concluding narrative or statement that will have an impact on your audience. The conclusion should not be long, but it should leave the audience with a positive feeling about you and your ideas.

The conclusion reinforces the main ideas you wish your audience to retain. Remember: in the introduction, you "tell them what you will tell them"; in the body, you "tell them"; and in the conclusion, you "tell them what you told them." In a presentation which has covered numerous points, you should be sure to reemphasize the main points. But the conclusion also allows you to emphasize the importance of specific ideas, or you can reiterate the value to the ideas you have presented. In short, how you design the conclusion will depend on your initial purpose. A strong conclusion is nearly as important as a strong introduction, as both the beginning and the end will be the parts most likely remembered.

Choose an Appropriate Speaking Style

How you sound when you speak is crucial to the success of your presentation. You may have effective content, excellent ideas, accurate supporting statistics. However, if the style you use in speaking is inappropriate to the occasion, to the audience (as individuals and as members of an organization), or to the purpose your are trying to achieve, your content will more than likely be ineffective.

In general, you want to sound respectful, confident, courteous, and sincere. However, the precise tone and degree of formality will be dictated by your organizational role and your relationship to your audience.

To help determine the appropriate speaking style for a given presentation, ask the following questions:

  • Do the audience members know you?

  • Is your rank in the organization above or below them?

  • Are you speaking to an audience of individuals from all levels within the organization?

  • What demeanor, approach, and level of formality does the organization usually expect from those giving oral presentations?

  • Is the audience composed of people who understand English? How well do they understand English?

Answers to these questions as well as your purpose will determine how you speak to your audience.

Style in writing refers basically to your choice of words, the length and structure of your sentences, and the tone, or attitude you express toward your audience. Style in delivering oral presentations is also defined by these same characteristics plus many nonverbal cues that can either enhance or detract from your presentation. While the style you use will vary with the audience, topic, and context, always consider the following guidelines that can enhance your delivery style:

  • Avoid long, cumbersome sentences. Use phrases, and use a variety of sentence lengths. Avoid excessively long, complex sentences, as listeners may have difficulty following your ideas.

  • Avoid overuse of abstract, polysyllabic words. Instead, use concrete language that your audience can visualize.

  • Avoid overuse of jargon, unless you are sure that your audience will be readily familiar with all specialized terms.

  • Use sentences that follow natural speech patterns.

  • Use short, active voice sentences.

  • Avoid memorizing the presentation verbatim--doing so will likely result in a presentation that sounds as though you are reading rather than talking to the audience.

The most effective style is usually a conversational style: short sentences, concrete language, speech that suggests to your audience that you are really talking to them. If you concentrate on getting your point across by having a conversation with the audience, you will likely use a natural, conversational style.

If you are speaking before a group that is composed largely of people from another country, you need to determine beforehand how fluent they are in English. If they are not comfortable with English, be sure that you speak slowly; avoid idiomatic expressions; choose concrete words; and speak in relatively short sentences. Limit each sentence to one idea. For information about speaking to multicultural audiences, click here.

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Practice an Effective Delivery Style

Because your audience cannot "rehear" ideas, once you have stated them, look for ways to help your audience easily follow your ideas:

  • Be sure you clearly demarcate the beginning and end of each point and segment of your presentation.

  • Announce each main topic as you come to it. That way, your audience knows when you have completed one topic and are beginning the next one.

  • Allow a slight pause to occur after you have completed your introduction, then announce your first topic.

  • After completing your final topic in the main body of your presentation, allow a slight pause before you begin your conclusion.

  • Speak slowly, vigorously, and enthusiastically. Be sure you enunciate your words carefully, particularly if you are addressing a large group.

  • Use gestures to accentuate points. Move your body deliberately to aid you in announcing major transition points. In short, avoid standing transfixed before your audience.

  • Maintain eye contact with your audience. Doing so helps you keep your listeners involved in what you are saying. If you look at the ceiling, the floor, the corners of the room, your audience may sense a lack of self-confidence. Lack of eye contact also tends to lessen your credibility. In contrast, consistent eye contact enhances the importance of the message. By looking at your audience, you can often sense their reaction to what you are saying and make adjustments in your presentation if necessary.

  • Do not memorize your presentation, and do not write your presentation. Otherwise, your speech will sound as if you are reading it. Use brief notes, written on one page, if possible. Use colored pens to highlight points. Avoid note cards and several pages of notes. If you suddenly forget what you are trying to say, and if you have several pages of notes, you can easily lose track of where you are in your notes. If possible, type the outline of your presentation on one sheet of paper. If you do forget what you are going to say, a quick glance will usually refresh your memory.

  • Rehearse your presentation until you are comfortable. Try walking around, speaking each segment and then speaking aloud the entire presentation. Rephrase ideas that are difficult for you to say--these will likely be hard for your audience to follow. Be sure to time your presentation so that it does not exceed the time limit. Keep your presentation as short as possible. Therefore, avoid adding information to your presentation (and your outline) as your rehearse.

  • If possible, record your speech. Listen to what you have said as objectively as possible. As you listen, consider the main issues of audience, purpose, organization, context, content, and style.

  • Listen for tone, attitude, and clarity. Is the tone you project appropriate for your audience and your purpose? Is each sentence easy to understand? Are you speaking too rapidly? Are the major divisions in your presentation easy to hear? Are any sentences difficult to understand?

  • If possible, become familiar with the room where you will give the presentation so that you will have some sense about how loudly you should talk and how people will be seated.

  • Try not to provide the audience handout material before you begin. To do so encourages your audience to read rather than listen. If you must provide written material, be sure the material is coordinated with your presentation. That way, you have a better chance of keeping your audience's attention on what you are saying.

No matter what type of presentation you are giving, your ultimate success as a speaker and the success of the presentation depends on your establishing credibility with your audience. Guidelines on planning, structuring, and delivering the presentation are important because they are designed to build your credibility with your audience. However, no amount of planning and organization will substitute for practice, which builds confidence. Practice also enhances and displays your planning and the value of your ideas.

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Select and Use Visual Aids Effectively

Because we live in a time when communication is visual and verbal, visual aids that reinforce your meaning can enhance any oral presentation. Research has shown that oral presentations that use visuals are more persuasive, more interesting, more credible, and more professional--i.e., more effective--than presentations without such aids. Particularly if your presentation is long--20 minutes or more--visual aids can help your audience follow your ideas easily and with fewer lapses in attention.

The benefits of using visual aids include:

  • They help your audience understand your ideas. You can use visual aids to announce each main point as you begin discussion of that point. You can also use visual aids to accentuate and illuminate important ideas. However, the message that the visual carries should be immediately apparent. If audience members have to study the visual to interpret its meaning, they will not be listening to you.

  • They help the audience follow your argument, your "train" of thought. In both oral and written presentations, readers/listeners must perceive the pattern of organization to comprehend effectively. Even if you don't use formal visual aids, you may want to write the outline for the main body of your presentation on a board or use a transparency to let your audience see your plan and trace your movement from one section of your presentation to another. . Powerpoint is an effective tool for developing and presenting outlines to aid listeners

  • They make your presentation more memorable and thus increase the chances that what you said will be remembered.


Guidelines for using visual aids:

Many of the guidelines for using visual aids in oral presentations mirror those for written documents: they need to fit the needs of the audience; they must be simple; they must be clear and easy to understand.

How many visual aids should I use?

Some kinds of oral presentations will require one kind of visual aid; presentations conveying complex information may require several kinds of visual aids. The point, quite simply, is that listeners are as resistant to an unbroken barrage of words as readers are to unbroken pages of prose.

What type of visual aids should I use?

You can use  drawings,  graphs,  props and objects,  a blackboard with an outline,  charts,  demonstrations,  pictures,  statistics,  cartoons, photographs, maps, etc. Use anything that will help people SEE what you MEAN!

How do I design effective visual aids?

Because your visual aids will be seen while the audience is listening to you, you will need to be sure that all visuals are as simple as possible and as easy to read:

  • Avoid too much information on any single visual.

  • Use boldface type in a font size that can be easily read.

  • Use sans serif type because if produces a sharper image for slides and transparencies.

  • Limit the fonts you use to two per visual.

  • Avoid all caps.

  • Use a type--size and font--that contrasts distinctly with the background.

  • Avoid visuals that use too many colors--more than four on any one aid.

  • If you are preparing slides or transparencies for video conferencing, use the plain background and a color--such as yellow or light green--and black text. Color can enhance a visual, but it can also reduce the effectiveness of the message. The point is to use good judgment in visual design. Use visual aids, but don't overdo color or text.

  • Templates available in programs such as Powerpoint are tempting, but they may not be readable when text is placed on them!

  • Avoid making your audience study your aids. If they are busy trying to decipher your visual aid, they will not be listening to you.

  • Bar graphs, circle graphs, simple diagrams, pictures, and lists are standard types of visual aids. Whatever aid you decide to use, limit the aid to only the concept, data, or point you are trying to make. Use bar graphs, line graphs, or circle graphs rather than tables, particularly if the table has more than one column.. Tables are harder to interpret than a graphic presentation of the content. Also, tables can easily contain too much information and are more acceptable in written reports, where the reader has time to study them.

  • Be sure that what the visual says is immediately evident.

  • Computer graphics and programs such as Harvard Graphics, Powerpoint, and Excel in combination with color printers and slide projection equipment give you the opportunity to experiment with graphic design. Try developing visual aids that are visually pleasing as well as clear.

  • Use technology whenever possible. Some web sites have visuals that you can use for presentations about that topic.

  • Technology allows speakers to download graphs, drawings, and figures from the World Wide Web. The Web is perhaps one of the richest, newest, most colorful sources of visual aids.

Many presentation rooms now have ethernet connections and even computers that have the appropriate software to run a browser such as Netscape. When the computer is connected to an overhead projector, Web images can be shown on a screen. Because of the increasingly rich range of materials available on the World Wide Web, resources available to enhance any oral presentations are almost limitless. Even if the room in which you will give a presentation does not have ethernet connections, you can still print Web materials via a color copier onto paper or transparency masters.

How do I use my visual aids effectively?

The key to using graphics and visual aids effectively requires using them so that they make the maximum impact. Begin your presentation with no aids, as you want your audience to be listening to you, not looking at props, specimens, or other visual aids. Present the aid at the appropriate point in your presentation, then remove it immediately. Present the aid; give your audience a few seconds to comprehend it, and then comment on the aid. Use a pointer, such as a laser pointer, to focus your audience on the part of the graphic you are discussing.

  • Be sure to speak slowly and deliberately as you explain or use a graphic to avoid confusing your audience. In addition, remember to talk to your audience members, keeping eye contact with them, not your visual aid.

  • When you use slides, tell the audience what they will see, show them the slide; give them time to digest what they are seeing; then comment on the slide.

  • Turn off the projector lamp between slides. Do not begin talking about another topic while a slide, depicting a past topic, is still showing. Remember: people cannot see and listen at the same time.

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