10.2: The Purposes of Public Speaking

Learning Objectives

  1. Describe how public speaking differs from interpersonal communication and small group communication.
  2. Apply the traits of a good speech in creating and presenting a speech.
  3. Describe the general speech purposes.

The oldest form of public communication and the precursor to mass media is the simple act of one person rising and expressing their thoughts to the group. Public discourse is the foundation of society; it is how groups of people address and resolve differences collectively and peacefully. With the rise of democracy in Ancient Greece, the value of public speaking gained prominence. A citizen’s ability to speak their mind in public was highly valued and a sign of civic engagement.

Although we have so many avenues to express ourselves, from in-person to online, crafting and sharing a thoughtful, intelligent message is still an important skill. Becoming proficient in public speaking is highly valuable for a person’s career, civic involvement, and political engagement.

The Nature of Public Speaking

Public speaking has three striking characteristics that set it off from interpersonal communication and small group communication.

First, public speaking is the act of one person speaking to many. Instead of focusing on an interactive nature, public speaking focuses on one person, the speaker, developing and presenting a message to a group of individuals.

Second, public speaking is a more formal presentation, meaning it is bound by specific strategies and techniques. Good public speaking requires more planning, development, and self-reflexiveness than the other two contexts.

Third, in the other two contexts, we see all members communicating from a position of shared, equal responsibility. In public speaking, the speaker bears more responsibility as the message is one-directional, and the feedback the speaker receives from the audience is subtler, such as facial expressions, body posture, and fidgeting. Public speaking is still an interaction, just like an interpersonal and small group, but the responsibility for success is less balanced with more responsibility being placed on the speaker.

A “Good” Speech

Unfortunately, for most people, our exposure to public speaking has left us with a distorted view of what makes a “good” speech. Virtually anytime we ask a class, “What is the first thing that comes to mind when you think of listening to a speech,” the answer is “boring.” This does not have to be the case; it is the job of the speaker to make choices that directly influence how interesting or boring a speech is going to be.

As speakers, we have the obligation and ability to choose how effectively and dynamically we will present ourselves and the information to the audience. We can give interesting, dynamic, energetic, and engaging speeches. Each of us has experienced teachers who were boring and monotone, but we have also experienced teachers who were dynamic and energetic. The latter group chose to make the speeches (lectures) more interesting. To make a speech more interesting and effective, we need to understand what makes a good speech:

  • A good speech is well structured and signposted to enhance clarity and memory value. A good speech is organized and easily followed with clear, obvious transitions. Our job as speakers is to present a message clearly and thoughtfully, and a clear structure facilitates that.
  • A good speech should sound like an “organized conversation.” The phrase is meant to invoke the image of a speaker presenting naturally and comfortably; just talking to the audience, in an organized, easily followed manner.
  • A good speech has a purpose, clear to the audience and to which the speaker adheres. Good speakers make their purpose clear, and they fulfill that. They do not wander, drift about, shift purposes, or mislead the audience. They do not start off informing the audience, and then suddenly shift to persuasion.
  • A good speaker is active, not passive. Too many speakers, especially novice speakers, tend to use the “open my mouth, let the words fall out” approach to speaking. This thoughtless approach to public speaking is not effective. Good speakers make choices, determining throughout their speech the best strategy for the given audience. Through the preparation and practice process, we make decisions based on what we think will increase the likelihood of success. Such strategic thinking requires careful consideration of the topic, the audience, the speaker, and knowledge of the interaction of these three components.
  • A good speaker works to create immediacy with the audience. Immediacy is a sense of connection; that the speaker, the topic, and the audience are all working together. Good speakers see a speech as a time to share a message with an audience, building a bridge between the speaker and the audience. Too often novice speakers see the audience as a barrier to success, a collective of judgmental individuals out to embarrass the speaker. However, that is simply not true for most audiences. Audiences want the speech to be good because it validates the time spent listening, it is more enjoyable, and it simply makes the time go faster. If a speaker taps into the audience’s interests and personality, they can be quite effective in engaging the audience. Such engagement does not happen automatically; it is the result of thoughtful planning and preparation.

The public speaking situation is quite different from interpersonal communication and small group communication. The degree of advanced planning, conscious decision-making, and communicator responsibility is much higher when giving a speech. We have been taught that when a person goes to the front of the room to speak, the speaker is now “in charge” of the event. We must meet that expectation, take charge of the event, and fulfill our responsibilities for success. Speeches are only as good as the audience thinks they are; the speaker must rise to the challenge of presenting a good speech.

General Speech Purposes

When developing a speech, we need to know why we are speaking. Before even considering the topic, we need to know if our purpose is to inform, persuade, entertain, or if it is a special occasion.

Speeches to Inform

Speeches to inform are those in which we are aiming to enlighten or to further educate the audience, but in an objective, non-directive manner. We provide the information about the topic to the audience, but we are not directing the audience to believe, feel, or act in a specific manner.

There are three types of informative speeches.

  • Report speech. A speech to report is one in which we take a single body of information, analyze it for the important points, then present a summary of those important points. This is common in a business setting. For example, if ACME Industries is considering making and selling a new product, various divisions will do research to determine the likelihood of the product being a success and profitable. Once this feasibility research is done and compiled into a single report, a single person or a group will then present the key findings to the management so they can decide on the course of action to take.
  • Demonstration speech. These are classic “how to” speeches, usually arranged in a step-by-step pattern. For example, Mary may give a speech on how to be creative with Ramen noodles. She will progress, chronologically, through a series of steps the audience can then follow on their own.
  • Explanation speech. Speeches of explanation are presentations drawing from multiple sources, designed to generally enlighten the audience about a given topic. They are not designed to show how to do something, but are for generally increasing the audience’s knowledge about the topic. Instead of speaking on how to make Ramen noodles, Mary may explain how good nutrition aids classroom performance in college.

Speeches to Persuade

Speeches to persuade are those in which we are aiming to influence the audience in some fashion. They are subjective and highly directive. The speaker has a bias toward a specific belief, attitude, or action, and the speaker works to direct the audience on what to believe, what opinion to have, or what action to undertake.

In persuasion, the issue of ethics becomes paramount. Some students erroneously believe that speakers always must give both sides of the issue to be ethical, but that is not true. When Lisa shops for a car, she knows the salesperson is out to persuade her to buy; thus, she expects messages designed to urge her to that action. If the salesperson gives accurate, verifiable, and truthful information, there is no ethical violation.

It is our job to provide the audience with the most accurate information we can find, and to present that information honestly, not distorting it. We must cite our sources to give due credit, and the topic should be one that can be justified as beneficial to the audience, not just to the speaker.

There are three types of persuasive speeches.

  • Questions of Fact: These persuasive speeches influence beliefs. A belief is what we hold to be true or false. For example, the knowledge that the Earth rotates around the sun is a belief; we believe it to be a fact. The idea that smoking can cause cancer is a belief. If we try to persuade the audience that consuming too much fat can cause colon cancer, we are trying to get the audience to believe what is true or false about the impact of fat in our diets.
  • Questions of Value: These persuasive speeches influence attitudes. We attempt to influence how an audience judges an event or idea; the speaker is trying to influence the audience’s opinion of something. For these speeches, the speaker is attempting to make the audience think of the topic on a scale of good to bad, or desirable to not desirable. To argue the Governor of Minnesota is doing “a good job” (or “a bad job”) is an attempt to influence an attitude or opinion. With statements like these, it is not a matter of true or false, black or white. It is a matter of placing the Governor on a range of opinions from highly positive to highly negative.
  • Questions of Policy: These persuasive speeches influence action. These propositions are easy to identify because they usually have the word “should” in them. These propositions call for a change in policy or practice (including those in a government, community, or school), or they can call for the audience to adopt a certain behavior. Speeches with propositions of policy can be those that call for passive acceptance and agreement from the audience and those that try to instigate the audience to action, to do something immediately or in the long-term. For example, The state of Georgia should require drivers over the age of 75 to take a vision test and present a certificate of good health from a doctor before renewing their licenses.

The three types of persuasive speeches build on each other. If Yousef is going to give a “Call to Action” speech asking for the audience to donate blood during Ridgewater College’s annual blood drive, he will need to show the audience there is a need for blood (a belief), that donating blood is a good thing to do (an attitude), and how to participate in the blood drive (an action).

Speeches to Entertain

Although not commonly done in an introductory Communication Studies class, there is a third general speech purpose: a speech to entertain. We would hope all speeches are entertaining in some fashion, whether through humor, interest, or seriousness, so the audience found the speech engaging and intriguing. This also includes special occasion speeches designed to fit the specific event at which they are being given. While each one has its own unique guidelines, the key point is to develop the speech consistent with that occasion.

Some common special occasion speeches include:

Eulogy: a speech given at a funeral or memorial service to honor the deceased.

Introduction: a speech given to introduce a speaker to an audience.

Toast: a speech given honoring a person or group, such as a wedding toast.

Giving an Award: a speech given to bestow honor on a person.

Accepting an Award: a speech given to communicate appreciation for an award.

Commencement: a speech given at graduation, typically addressing the past (the work done to achieve a goal) and the future (challenging the graduates to learn more, help others, get involved in social issues, or otherwise continue personal growth).

Special occasion speeches are short and focused on the event at hand. Humor is commonly used, even with many eulogies, but only when appropriate for the event and audience.

Key Terms & Concepts

  • immediacy
  • public speaking
  • questions of fact
  • questions of policy
  • questions of value
  • speeches to entertain
  • speeches to inform
  • speeches to persuade

Licensing and Attribution: Content in this section is a combination of:

10.2: The Purposes of Public Speaking in Competent Communication (2nd edition) by Lisa Coleman, Thomas King, & William Turner. It is licensed under a CC BY-NC-SA  license.

8.2: The Purposes of Public Speaking in Introduction to Communication (Green et al.) by Keith Green, Ruth Fairchild, Bev Knudsen, & Darcy Lease-Gubrud. It is licensed under a CC BY-NC license.

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Sociological Communication Copyright © 2023 by Veronica Van Ry is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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