COMMST 223: Public Speaking
Brian Lefresne
Estimated study time: 41 minutes
Table of contents
Sources and References
Primary textbook — Stephen E. Lucas, The Art of Public Speaking (McGraw-Hill). Supplementary texts — Beebe & Beebe Public Speaking: An Audience-Centered Approach; Aristotle Rhetoric; Crowley & Hawhee Ancient Rhetorics for Contemporary Students; Rosenberg Nonviolent Communication; Chris Anderson TED Talks. Online resources — Stanford GSB Strategic Communication open materials.
Chapter 1: Public Speaking as Performance and Dialogue
Public speaking is ancient — older than writing — and yet every generation relearns it because the medium keeps changing. In fifth-century BCE Athens it was the unamplified voice in an assembly; today it is the TED stage, the Zoom room, the classroom, the wedding toast, the city council microphone. What all these share is a speaker who must make something happen — understanding, feeling, agreement, solidarity — using voice and body in the presence of other people.
The first conceptual move this course asks you to make is to stop thinking of a speech as a document you read aloud and start thinking of it as a performance you design and inhabit. Richard Schechner, in Performance Studies: An Introduction, defines performance as “restored behavior” — bits of behavior that can be rehearsed, repeated, rearranged, transmitted. A speech is not the words on the page; it is what happens when a living person animates those words in a particular room for a particular group of listeners. The measure of success shifts accordingly. A speech is not good because the sentences are well written; it is good if something happens between speaker and audience that would not have happened otherwise.
Schechner’s other useful insight is that performance is never purely expression. It is also communication, relationship, and ritual. When you stand at a microphone you are expressing something you believe, transmitting information to people who did not have it, and taking part in a social ritual — the lecture, the sermon, the eulogy, the pitch — with its own expectations. Learning to speak well means learning to read which ritual you are in and how much room it gives you to improvise.
At the same time, speaking is dialogue, not monologue. Even when only one person is talking, two parties are active. Listeners are constantly making meaning, judging, deciding whether to let the speaker in. Beebe and Beebe call their textbook Public Speaking: An Audience-Centered Approach for this reason: the audience is not the passive recipient of your speech, it is the co-author of whatever the speech becomes. Chris Anderson, who has watched thousands of TED speakers rehearse, says something similar — the speaker’s one job is to transfer an idea from one mind to others, and that transfer only happens if the listener builds the idea inside their own head. The speaker offers cues; the listener constructs.
Performance and dialogue are the two lenses that run through this whole course. Every technique — outlining, language choice, vocal variety, eye contact, visual aids — is a way of designing a performance that respects and activates a real audience.
Chapter 2: The Ethics of Speaking — Ethos and Responsibility
Because public speaking is powerful, it is also dangerous. Aristotle, at the start of the Rhetoric, notes that the same faculty that lets a speaker defend a just cause can defend a lie — and takes that as an argument for teaching rhetoric to people who mean well, so they are not outmatched by people who do not. Lucas reaches the same conclusion two thousand years later. The question is not whether speech is ethically loaded — it always is — but whether you take that load seriously.
The classical name for the speaker’s ethical standing is ethos. Aristotle lists three qualities that make an audience trust a speaker: phronesis (practical wisdom — you seem to know what you are talking about), arete (virtue — you seem to be a decent person), and eunoia (goodwill — you seem to have the audience’s interests at heart). None of these are about polished delivery; they are about whether, over the course of the speech, the audience comes to feel you are competent, honest, and on their side. Lucas’s ethical checklist translates this into modern terms: have sound goals, be well prepared, be honest about evidence, avoid abusive language, put ethical practice into daily life so it is ready when you need it.
Ethics shows up especially in how you handle evidence. It is tempting, under pressure, to cherry-pick a statistic, quote a source out of context, or pass off someone else’s phrase as your own. Plagiarism — which Lucas divides into global, patchwork, and incremental varieties — is the obvious case, but subtler ones matter too: misattributing a quotation, using an anecdote you cannot verify, letting the audience infer something you would never say outright. If your case is only persuasive when you stretch the facts, the problem is the case.
A second ethical stream in this course comes from Marshall Rosenberg’s Nonviolent Communication. Rosenberg proposes four moves: observe without evaluation, name feelings rather than judgments, connect those feelings to underlying needs, and make a specific, doable request. Apply this to a speech about, say, housing policy, and you get something different from the usual adversarial mode. Instead of “landlords are greedy,” you describe what you have observed; instead of accusations, you name the fear or grief behind them; instead of vague calls to action, you ask for something concrete. Evaluative language triggers defense, and defense blocks the transfer of ideas. An ethical speaker wants the audience thinking, not flinching.
Related is the idea, associated with Dominic Barter, of “walking toward conflict” — not avoiding hard topics but approaching them in a way that keeps a relationship possible. A public-speaking class is one of the few places where you are asked to speak about something that matters to you in front of people who may not share your views, and to do it without turning them into enemies.
Chapter 3: Classical Rhetorical Traditions
To understand any contemporary handbook, it helps to know where its vocabulary comes from. Crowley and Hawhee’s Ancient Rhetorics for Contemporary Students makes the case that the ancient Greek and Roman rhetoricians were not just writing etiquette manuals for aristocrats; they were building a theory of public discourse that still frames how we think about speech today.
Aristotle’s Rhetoric organizes the art around three pisteis, or means of persuasion: ethos (the speaker’s credibility), pathos (the audience’s emotions), and logos (the argument itself). These are not three separate speeches. Every sentence of every speech is doing all three at once — conveying information about who you are, moving the audience emotionally, and making claims they can evaluate. The rhetorical question is always: which of the three is doing the heaviest lifting at this moment, and is that the right balance for this audience and this topic?
Aristotle also distinguishes three genres of rhetoric, each tied to a specific social situation. Deliberative rhetoric is about the future — should we do X or not? — and belongs to legislatures, committees, town halls. Forensic rhetoric is about the past — did X happen, and who is responsible? — and belongs to courts. Epideictic rhetoric is about the present — who do we honor, who do we blame, what values do we share? — and belongs to ceremonies, eulogies, commencements. Knowing which genre you are in tells you what kinds of arguments will land. A deliberative speech needs probability and consequence; an epideictic speech needs amplification and shared memory.
The Romans, especially Cicero and Quintilian, expanded Aristotle’s system into the five canons of rhetoric, which is still the cleanest map of what a speaker actually has to do:
- Invention (inventio) — discovering what to say.
- Arrangement (dispositio) — organizing it.
- Style (elocutio) — putting it into language.
- Memory (memoria) — internalizing it.
- Delivery (pronuntiatio) — performing it.
The course is essentially a tour through these five canons, updated for modern rooms and modern audiences. Most of the chapters that follow can be placed under one of them.
Crowley and Hawhee add a useful warning: these categories are tools, not cages. Ancient rhetoric was built for a world of oral discourse among relatively homogenous citizens, and a thoughtful speaker today has to adapt the tools rather than just apply them. One important adaptation is what some scholars call translingual ethos — the recognition that audiences are multilingual, that accents carry meaning, and that a speaker’s relationship to “standard” English is itself part of the rhetorical situation. Your voice, with all its history, is not a flaw to be ironed out. It is information the audience uses to place you and trust you.
Chapter 4: Overcoming Speech Anxiety
Almost every student enters a public-speaking class with some level of dread. Lucas notes that in surveys, fear of public speaking regularly outranks fear of heights, flying, and death. This is not because speaking is objectively more dangerous but because standing in front of an audience activates an old social circuit — the fear of being judged by the tribe — at high intensity.
The first helpful move is to rename the feeling. What we call “stage fright” is physiologically identical to ordinary excitement: elevated heart rate, rapid breathing, heightened alertness, a flood of adrenaline. The body is preparing for a high-stakes performance; that preparation is not a malfunction. Beebe and Beebe, following research on communication apprehension, emphasize that the goal is not to eliminate these sensations but to reinterpret them. A racing pulse can read as panic or as readiness depending on the story you tell yourself about it.
The second move is preparation. Anxiety thrives on ambiguity. The cure is rehearsal — not rote memorization of a script (which adds a new fear: forgetting a line), but rehearsal of the structure. If you know your opening sentence, your transitions, and your closing sentence cold, and the middle feels familiar, you will find your way through. Rehearse aloud, on your feet, in conditions approximating the actual situation.
The third move is to shift attention outward. Much of speech anxiety comes from self-monitoring — worrying about how you look, whether your voice is shaking, what people are thinking. That inward focus is a loop that feeds itself. The moment you look up and actually see the audience, the loop breaks. Morgan’s Give Your Speech, Change the World pushes further: anxiety is often a sign that the speaker has not yet decided what they want the audience to do. Once you have a concrete intention — “I want them to leave willing to call their councillor” — the body has a job, and the job crowds out the worry.
Finally, audiences are generally on your side. Most listeners are not looking for mistakes; they are hoping for something worth their time. A small slip is usually invisible to everyone but the speaker, because the audience does not have your internal script. Experienced speakers recover from mistakes by simply continuing.
Chapter 5: Audience Analysis
Beebe and Beebe call their approach “audience-centered” because they believe every decision the speaker makes — topic, purpose, structure, examples, language, delivery — should be filtered through one question: what does this audience need in order to understand and care about this idea? Lucas, in slightly different language, calls this “audience analysis” and treats it as a distinct stage of speech preparation.
The first layer of audience analysis is demographic. Who are these people? Age, gender, cultural background, education, occupation, group membership — each of these gives you a rough prior about what the audience already knows, what they care about, and what kinds of examples will land. A talk on student loans hits very differently in front of eighteen-year-olds than in front of their parents, and an ethical speaker does not flatten that difference; they use it.
But demographics are a starting point, not a destination. The second layer is psychological: what do these particular people think, feel, and believe about your topic? Are they hostile, neutral, sympathetic, confused, bored? Are they already experts, or are they hearing the subject for the first time? Do they have prior commitments that make some arguments hard for them to accept? A good speaker researches this before stepping on stage — through conversations, surveys, the host’s description of the group, whatever is available — and then adjusts.
The third layer is situational. What is the occasion? How large is the room? Is this a voluntary audience or a captive one? Is there a meal before the speech, a ceremony after, a long day of prior talks? A 20-minute dinner speech at 9 p.m. needs to be lighter and more narrative than a morning lecture on the same topic, because the audience’s attention is a different resource at night than at 10 a.m.
Audience analysis leads directly to a distinction Lucas calls the general purpose vs. the specific purpose of a speech. The general purpose is one of a few broad categories: to inform, to persuade, to entertain, to commemorate. The specific purpose is a single sentence naming exactly what you want this particular audience to understand, believe, feel, or do. “To inform my classmates about Cantonese tones by the end of a five-minute demonstration” is a specific purpose. So is “to persuade city councillors, most of whom are skeptical, to support a pilot bike-lane program on Allen Street.” The discipline of writing the sentence forces you to decide what success looks like before you write a word of the speech. If you cannot finish the sentence, you are not ready to outline.
A final point. Audience-centeredness is not audience-pandering. It does not mean telling people what they want to hear or trimming your views to fit. It means taking seriously that the audience is the reason for the speech and that you are accountable to them. You still say what you came to say; you just say it in a way that they can actually receive.
Chapter 6: Invention — Generating Ideas and Evidence
Invention is the oldest canon and the one students most underrate. The temptation, given a topic, is to start writing. The discipline is to sit with the topic first and generate more material than you will use.
Ancient rhetoric gave speakers a toolkit for this: the topoi, or “places” where arguments could be found. Common topoi include definition (what is this thing?), comparison (how is it like or unlike other things?), relationship (what causes it, what does it cause?), circumstance (is it possible? has something like it happened before?), and testimony (who says so?). When you are stuck, walk through the list and ask each question of your topic. A speech on sleep deprivation yields a definition, a comparison (to intoxication), cause-and-effect, a possibility question (could schedules be different?), and expert testimony. The topoi are not a structure; they are an idea generator.
Modern invention also draws on research — personal experience, interviews, library databases, government publications, reputable news, and, with caution, open web sources. Evidence has to be specific, accurate, and recent enough to matter. Chris Anderson, in TED Talks, adds that evidence should be illuminating — help the listener see the thing, not decorate the claim. A statistic that flies past without context is wasted; the same statistic paired with a vivid comparison (“that is one person every eleven seconds”) lodges.
Examples come in three varieties: brief (a one-line instance), extended (a full anecdote), and hypothetical (“imagine that you…”). Brief examples build density; extended examples build emotional engagement; hypothetical examples draw the audience into a scenario. Testimony — expert quotation — should be handled carefully: name the source, give just enough credential to establish why it matters, and let the words work. One well-chosen expert voice beats four mediocre ones. Statistics demand the most care. Numbers feel objective but mislead when you do not explain what they measure and what they leave out. Round to something the ear can hold, contextualize, and use sparingly. Three well-framed numbers stay with an audience; twelve will not.
Chapter 7: Organization and Outlining
Once you have material, you have to arrange it. The classical canon of dispositio and the modern chapter on outlining are the same skill under different names.
Almost every speech fits one of a small number of organizational patterns. Chronological order walks the audience through time — useful for histories, processes, and narratives. Spatial order moves through physical space — useful when the subject is geographic or structural. Topical order divides the subject into two to five parallel categories, each with its own subpoint. Causal order links causes to effects, or effects back to causes. Problem-solution order identifies a problem, argues for its seriousness, and then proposes a remedy. Problem-cause-solution order adds a middle step — understanding the cause — and is common in policy speeches. Choosing the pattern is itself a rhetorical decision; the same content can feel very different in chronological vs. topical order.
Within whatever pattern you pick, the body of the speech should have a small number of main points — Lucas recommends two to five, with three being the most common. The reason is cognitive: the ear cannot track arbitrary lists. If you have seven subtopics, cluster them into three categories; the audience will follow three categories but will lose seven items by the end of the speech.
Transitions are the connective tissue. Every time you move from one main point to the next, the audience should know it. Useful transitional moves include internal previews (“let me make three observations about this”), internal summaries (“so we have seen that…”), signposts (“first,” “second,” “finally”), and restatements of the thesis. Written prose can rely on paragraph breaks and headings to organize itself; a spoken presentation has to supply those markers explicitly with the voice.
The introduction has four jobs, in rough order: grab attention, establish the topic and its importance, establish your credibility to speak on it, and preview the main points. The opening sentence deserves as much attention as any in the speech; it is where the audience decides whether to invest. Effective openings include a startling statement, a concrete story, a rhetorical question, a surprising statistic, a relevant quotation, and occasionally — if used sparingly — a moment of humor.
The conclusion has two jobs: signal that you are ending and leave the audience with something they will carry out of the room. Summary alone is not enough. A good conclusion usually returns to an image or idea from the introduction (the “bookend” move), states the core claim once more in its sharpest form, and ends on a sentence that is not followed by “uhh that’s it.” Lucas’s rule: the last sentence is the one the audience remembers. Write it first if you have to. Do not waste it.
The full-sentence outline is the tool most classes use to make this visible. It uses roman numerals for main points, capital letters for subpoints, numbers for sub-subpoints, and writes each item as a complete sentence. The effort feels excessive — it is much easier to jot keywords — but the full-sentence outline catches organizational problems that keyword outlines hide. If you cannot write the subpoint as a sentence, you have not yet figured out what you mean. The speaking outline that you actually use on stage is much shorter: a skeleton of keywords and cues that your rehearsed mind can fill in.
Chapter 8: Language and Style for the Ear
Style is the third classical canon and the one where writing habits most interfere with speaking well. Written prose is built for eyes that can re-read, go back, pause, scan; spoken prose is built for ears that get one pass. The disciplines are different.
Concreteness beats abstraction. “Children are vulnerable to malnutrition” is invisible; “A six-year-old in the neighbourhood I am describing weighs what a healthy four-year-old weighs” is unforgettable. The more specific the image, the more the audience can build the idea in their own head.
Rhythm matters. Spoken English has a beat, and sentences that match that beat are easier to hear. The simplest trick is varying sentence length — a long sentence followed by a short one lands harder than three medium sentences in a row. Classical rhetoric gave this move a name, isocolon (parallel structure), which is why “of the people, by the people, for the people” still sounds right after a hundred and fifty years.
Repetition is a tool for emphasis and memory. Anaphora (repeating a phrase at the beginning of successive clauses — “I have a dream…”) and epistrophe (repeating at the end) are devices the ear notices and remembers. Used sparingly, they signal to the audience that a claim is important. Used constantly, they sound like a politician.
Metaphor does the work of a paragraph in a single image. When you describe an argument as “the other shoe dropping” or “a house of cards,” you are giving the listener a scaffold they can hang other information on. Metaphors also reveal what you believe: whether you frame an opponent as a rival, an enemy, or a collaborator says a lot about how you want the audience to feel.
Clarity trumps cleverness. Lucas’s rule of thumb is that when in doubt, pick the shorter word, the plainer construction, the more direct phrasing. Inflated diction (“utilize,” “facilitate,” “endeavour”) almost always sounds worse than the simple version (“use,” “help,” “try”). This is not anti-intellectualism; it is respect for the listener’s cognitive load. Every extra syllable is a small tax that the audience pays in attention.
Inclusive language is both an ethical and a practical matter. Avoid language that treats half the audience as outsiders. Avoid jargon the audience does not share, or introduce it explicitly if you must use it. Be aware that cultural references and idioms do not translate. If you say “it’s a home run,” a listener who does not know baseball has to stop and translate, and you have lost them for the next sentence.
Finally: read drafts aloud. The ear catches what the eye misses. A sentence that looks fine on paper but trips your tongue will trip the audience’s ear, and the fix is almost always to shorten it.
Chapter 9: Delivery — Voice, Body, Presence
Beebe and Beebe argue that delivery is where many speakers under-invest the most. They draft the speech, worry about the words, and walk in cold, hoping the body will take care of itself. It does — by defaulting to whatever it does under stress, which is rarely what you want.
Voice has several controllable variables. Volume should be loud enough that the back row hears without strain, and varied enough that the ear does not flatten. Rate should be slightly slower than conversational — anxious speakers accelerate, and the remedy is to consciously land each sentence. Pitch matters because a monotone tells the audience nothing is more important than anything else. Pauses are perhaps the most underused tool. A full second of silence after a key sentence lets it register — much more effective than filling the silence with “um.”
The fillers themselves — “um,” “uh,” “like,” “you know” — are habits the body reaches for when the mind needs a fraction of a second. The fix is to replace them with silence. Record yourself to notice them, then deliberately pause instead. The audience rarely hears silence as an error; they hear it as confidence. Articulation matters because the audience cannot ask you to repeat. Work through hard words in advance. If you have an accent — everyone does — do not try to erase it, but make sure your key terms are crisp.
Body carries as much information as voice. Posture upright but not locked, weight even on both feet. Speakers who shift constantly look nervous; speakers who are planted look grounded. Gestures should arise from what you are saying, not be choreographed — above the waist, open rather than closed, big enough to be visible from the back.
Eye contact is the most important nonverbal skill. The aim is not to sweep the room mechanically but to make brief real contact with individuals — around three seconds per person — distributed around the space so as many listeners as possible feel directly addressed. In a large room, rotate among a handful of faces. Eye contact is how the audience knows you are speaking to them rather than at them.
Presence is the integrated version of all of this. Nick Morgan describes presence as a speaker’s whole-body commitment to a single intention. If every part of your body — breath, stance, voice, eyes — lines up behind “I am here to help you understand this thing,” the audience senses it. Presence is not charisma; it is built by rehearsal plus clarity of purpose.
Lucas distinguishes four modes of delivery: manuscript (reading word-for-word), memorized (reciting from memory), impromptu (minimal prep), and extemporaneous (prepared and rehearsed but not read or memorized). Most of this course focuses on the extemporaneous mode — structured enough to be clear, improvised enough to feel alive. Manuscript mode fits when exact wording is legally or politically important; memorized delivery is high-risk because a single forgotten line can derail the speech.
Chapter 10: Visual Aids and Multimedia
A visual aid is anything the audience sees that supplements your speech: a slide, a prop, a whiteboard sketch, a video clip, a demonstration. Used well, visuals multiply comprehension and retention. Used badly, they actively distract from the speech and remind the audience that they would rather be somewhere else.
The rule that Lucas, Beebe & Beebe, and Chris Anderson all converge on is that visuals exist to serve the audience, not the speaker. They should clarify information that is hard to convey in words, make abstract data concrete, or provide an image that anchors a story. They should not be the speaker’s crutch — a slide deck the speaker reads aloud is not a speech, it is a document being recited. If your “speech” can be replaced by emailing the slides, something has gone wrong.
Some practical principles for slides:
- One idea per slide. If you have two ideas, make two slides.
- Images over text. A photograph or a chart often lands harder than a bullet list saying the same thing.
- Minimal text. The audience cannot read your slide and listen to you at the same time. Every word on the slide costs attention.
- Readable from the back. Test the font size from the distance of the last row.
- Consistent design. Varying fonts, colors, and layouts signals sloppiness even if the content is good.
- Dark on light or light on dark, not light on light. Contrast is the most common failure.
Charts and graphs deserve special care. A pie chart with twelve slices is unreadable; fold the small slices into “other.” A line chart with six lines of similar color is unreadable; highlight the one or two you actually want the audience to notice. Remember that your audience is seeing the chart for the first time; they need an extra beat to orient. Announce the axes before you make the point.
Props — physical objects — can be extraordinarily effective, because they bypass the slide format entirely and make the audience look at something real. The classic example is a speaker talking about plastic waste who pulls a year’s worth of their household bottles out of a garbage bag. The limitation is timing: a prop is only useful when it is in view, so reveal it when you need it and put it away afterward, or it becomes a distraction.
Video clips should be short (ideally under thirty seconds), pre-queued, and rehearsed with the actual hardware you will be using. Technical failure is most common with video, and the speech needs a plan for what to do if the clip will not play.
A final point on design: in modern TED-style speaking, the most effective visual is often a single striking image with no text at all, held on screen while the speaker talks. It gives the audience something to look at without forcing them to read. A good rule of thumb is that if your slides still make sense when you silently scroll through them, they are too verbose. The slides should be meaningless without you.
Chapter 11: Informative Speaking
An informative speech has a simple-sounding goal — to teach the audience something — and a deceptively hard craft. The challenge is that the audience knows less than you and has no obligation to care. Lucas identifies four main varieties: speeches about objects, processes, events, and concepts. A speech about a Mongolian morin khuur (object), how to make bread (process), the 1917 Halifax explosion (event), or the idea of entropy (concept) each has its own shape.
The first principle is the curse of knowledge. Once you understand something, it is almost impossible to remember what it felt like not to understand it. As a result, experts systematically overestimate what their audience will follow. The remedy is to imagine a specific listener — a smart friend who knows nothing about your topic — and test each sentence against them. If your friend would need an extra beat to follow, slow down.
The second principle is to use concrete anchors. Abstract information does not stick to the mind; it slides off. Attach each abstraction to a specific example, story, or image, and the abstraction becomes memorable. If you are explaining tonal languages, demonstrate the four tones of Cantonese with a single syllable and let the audience hear the difference. If you are explaining economies of scale, use a specific company.
The third principle is structure the listener can reconstruct. A good informative speech has a clear map — three main points, each with its own subpoint — that the audience can hold in memory. Announce the map at the beginning, return to it at each transition, and return to it in the conclusion. If, after your speech, the audience can describe the map even if they forget the details, you have succeeded.
A common informative-speech assignment is to introduce a language or cultural topic to classmates. These speeches live or die on respectful specificity. Generalities (“Japanese culture values harmony”) are invisible; specifics (“at a Japanese business meeting, the most senior person sits furthest from the door, and this arrangement is older than the office itself”) paint a picture. Respectful means you do not flatten a culture into a caricature, you cite where you learned what you know, and you leave room for the fact that cultures are plural and contested. The same principle applies to speeches introducing a dialect, a tradition, a minority practice, or an experience the audience has not shared.
Finally, an informative speaker is not neutral. You chose this topic for a reason, and your engagement with it is part of what keeps the audience with you. The line between “informative” and “persuasive” is thinner than textbooks usually admit — but the discipline of the informative speech is that your goal is understanding, not agreement. You want the audience to be able to explain the thing after you leave, not to have changed their vote.
Chapter 12: Persuasive Speaking — Aristotelian and Contemporary Models
A persuasive speech asks the audience to change something — a belief, an attitude, a value, or an action. Persuasion is harder than information because the audience has an existing position and you are asking them to move. The design question is: what does this specific audience need in order to make that move?
Aristotle’s three proofs — ethos, pathos, logos — are still the cleanest framework. A persuasive speaker works on all three simultaneously. Ethos: establish why you are a credible voice on this issue. Sometimes that means naming your qualifications; more often it means the things a thoughtful audience picks up on — fairness with evidence, willingness to acknowledge the other side, accurate characterization of opposing views. Logos: give the audience reasons, structured as arguments they can follow — claim, evidence, warrant, inference — not just assertions. Pathos: activate the emotions appropriate to the claim. This is not manipulation; it is recognition that humans care about things they feel, not just things they know. A speech about refugee policy that never lets the audience feel the stakes has failed at logos as well as pathos, because abstract facts do not add up to a decision.
Lucas breaks persuasive speech goals into three types. A question of fact asks the audience to believe that something is or is not the case (did climate change cause this particular wildfire?). A question of value asks them to believe something is good, bad, right, wrong, just, unjust (is a wealth tax fair?). A question of policy asks them to support or oppose a course of action (should the city build a bike lane on Allen Street?). Each type has its own structure. Questions of fact need evidence and reasoning. Questions of value need to define criteria and then measure the thing against them. Questions of policy need to establish that there is a problem, that the problem has a cause, that the proposed solution addresses that cause, and that the solution is practical.
The most popular structural template for policy speeches is Monroe’s Motivated Sequence, which has five steps:
- Attention — hook the listener with something that makes the problem vivid.
- Need — demonstrate that there is a real problem that affects this audience.
- Satisfaction — present a solution that addresses the need.
- Visualization — help the audience see what the world looks like if the solution is (or is not) adopted.
- Action — ask for a specific, immediate step.
The sequence works because it tracks how humans actually move from indifference to action. Skipping any step weakens the speech: a speech that leaps from problem to action without visualization leaves the audience cold; a speech that visualizes without asking for a specific action leaves them inspired but inert. Monroe’s sequence is most famous as a persuasive structure, but the underlying psychology applies wherever you want the audience to do something, not just understand something.
A persuasive speech also has to deal with the audience’s existing position. If the audience already agrees, your job is to reinforce and activate — move them from belief to action. If neutral, build the case. If hostile, seek common ground — start with something you share, acknowledge their concerns fairly, move incrementally. The rookie mistake is to treat every audience as neutral.
A final layer: persuasive speaking for social change. Speeches about community, injustice, or reform carry a responsibility to the people affected by the issue, not just the audience in the room. An ethical speaker researches, cites voices from the community, avoids savior framing, and asks for action that is actually doable. Rosenberg’s framework is especially useful here: describe observations, name feelings, connect them to needs, and request something specific.
Chapter 13: Listening and Responding to Speeches
Public speaking is only half of rhetoric; the other half is listening. Every speaker benefits from learning to listen well — partly because it makes you a better critic of your own work, partly because it is an ethical obligation in a room full of people trying to communicate.
Lucas distinguishes several modes: appreciative (for pleasure), empathic (to support a speaker), comprehensive (to understand information), and critical (to evaluate a message). Public-speaking class is mostly training in the last two. The hardest part of listening is that it is not passive — it takes effort, and a tired human in a warm room drifts by default. Beebe and Beebe identify common listening problems: prejudging the speaker, being distracted by delivery mannerisms, focusing on facts at the expense of the main idea, faking attention, yielding to noise, and rehearsing your response while the speaker is still talking.
Critical listening asks: what is the speaker’s main claim? What evidence supports it? Is the evidence accurate, recent, relevant? Are the arguments well-formed, or are there logical gaps — false analogies, hasty generalizations, straw men, unsupported causal claims? Does the language reveal unstated assumptions? Is the structure serving the message or getting in its way?
Speech criticism — offering feedback — has its own ethics. The point is to help the speaker improve, not to show off your judgment. Useful feedback is specific (“the transition between your second and third points was abrupt”), names strengths before weaknesses, and distinguishes taste from craft. It is delivered as a conversation, not a verdict. When you receive criticism, listen without defending, take notes, thank the critic, and later decide which feedback to act on. Not every suggestion is right for your voice, but every suggestion tells you something about how your speech landed.
Chapter 14: Special Occasions and Commemorative Speeches
Most of the speeches a person actually gives in life are not formal persuasive talks. They are toasts, eulogies, introductions, acceptance speeches, award presentations, graduation addresses, anniversary remarks. These fall under Aristotle’s category of epideictic rhetoric — the rhetoric of the present moment, concerned with praise, blame, and shared values. Because they are tied to ceremonies, they are governed less by argument and more by fit.
Speeches of introduction are short. Their job is to make the audience want to hear the main speaker. Cover who the person is, why they matter to this audience, and what they are about to talk about — and then get off the stage. Two minutes is usually more than enough; five is usually too long. The classic mistake is giving the speech you wish you were giving instead of the introduction.
Speeches of presentation accompany an award. Explain briefly what the award is, what the criteria are, and why this recipient meets them. Specificity matters: a sentence describing a concrete thing the recipient did is worth more than a paragraph of generic praise.
Acceptance speeches are even shorter. Thank the people who deserve thanking — and resist the temptation to list everyone. Name what the award means to you. If appropriate, say something about the values or the work the award represents. A short acceptance speech is almost always better than a long one; gratitude is not enhanced by duration.
Commemorative speeches — speeches of tribute, remembrance, or celebration — are where the craft of epideictic rhetoric becomes visible. The purpose is not to inform or to persuade but to honor. The technique that most often works is amplification: taking the qualities of the person or the occasion and making them vivid through specific stories and images. A eulogy that says “she was kind” is invisible; a eulogy that tells the story of the single kind thing she did one Tuesday morning in 1994 is unforgettable. Commemorative speeches earn their power by being specific and concrete, by naming the one thing that could only be said about this one person or this one moment.
Toasts are the shortest form. Sixty seconds, maybe two minutes. A good toast has three parts: a frame (“when Sara and I first met…”), a specific story or image that shows who the person is, and a closing line that gathers everyone in (“please join me in raising a glass to…”). The closing line should be pre-written so you do not fumble it; everything else can be light.
Keynote and graduation speeches are longer and more demanding. They usually revolve around a single idea or image the audience can carry out with them. Chris Anderson’s advice for TED talks applies here: one idea, well-built, is worth more than five ideas half-sketched. A keynote that tries to say everything ends up saying nothing memorable.
Across all of these forms, the master principle is occasion-appropriateness. A wedding toast, a funeral, a retirement dinner, a convocation, a volunteer-of-the-year award — each is a ritual with its own expectations, and the speaker who ignores those expectations fails no matter how eloquent the prose. Read the room. Honor what the room is there to do.
Chapter 15: Impromptu and Extemporaneous Speaking
Most real-world speaking is not a polished 15-minute presentation. It is the unexpected question in a meeting, the “can you say a few words” at a gathering, the answer to a reporter, the reply to a colleague in a hallway. Impromptu speaking is the ability to produce a coherent one- to three-minute response without preparation, and it is a skill worth training deliberately.
The central trick is to have a default structure ready, so that when you are handed a topic you can reach for a template instead of panicking. The simplest useful template has three slots: a point, a reason or example, and a restatement. “I think X. The reason is that I have seen Y happen whenever Z. So in this situation, I would say X.” A slightly richer version: opening frame, two or three points, and a clean closing line. You do not have to be right; you have to be organized enough that the audience can follow you.
Another useful move is the PREP format: Point, Reason, Example, Point. State your claim, give the reason behind it, illustrate with one concrete example, and restate the claim. The restatement gives the audience a clean closing and gives you a clean exit. Even in a thirty-second answer to a question, PREP outperforms rambling almost every time.
The Stanford GSB “Strategic Communication” materials, which are heavily focused on workplace speaking, emphasize the importance of the first sentence. In an impromptu situation, the first sentence is where you commit to a direction. Once you have committed, the rest of the answer can be built. The thing most people do instead is hedge — “well, that’s a really interesting question” — which buys a few seconds but establishes nothing. A better buy-time move is a single deep breath and a one-line summary of the question as you understand it: “You’re asking whether we should…” This restatement does three things at once. It confirms you understood. It gives you time to think. It frames the answer in your own terms.
A different kind of unscripted speaking is extemporaneous speaking, which this course has treated as the default mode for prepared speeches. An extemporaneous speech is prepared and rehearsed — you know your structure, your examples, your key phrases — but it is not memorized or read. The exact words come out fresh each time you deliver it. This is the mode used by most effective public speakers because it combines the flexibility of impromptu speaking with the depth of a written speech. It allows you to respond to the audience in real time, vary your pace to what the room is doing, and pick up recoveries from small mistakes without ever losing the thread.
The way to develop extemporaneous fluency is to rehearse from a speaking outline (not a script) multiple times, out loud, in slightly different ways each time. Over several rehearsals you internalize the structure but not the exact sentences, so each delivery feels alive. A speech rehearsed this way is often stronger on the third or fourth delivery than on the first, and this is the mode most experienced speakers aim for.
Impromptu and extemporaneous speaking share a common foundation: a speaker who has thought about their own views, knows what they actually believe, and can locate a single clear claim quickly. Confidence in impromptu situations is not a performance trick; it comes from having done the thinking ahead of time, so that when the moment arrives there is something genuine to say. The entire course, in a sense, is training for this. By the end of the term, you should be able to stand up anywhere and say something coherent, honest, and shaped for the people in the room — and that is public speaking as a practice, not just as a course.