Lecture: Rhetorical Analysis
Lecture script · about 15–20 minutes spoken · Week 6
Opening
Think of a marketing major asking why one ad lands and another flops. Think of a nursing student noticing why one clinic flyer earns a reader's trust. Think of a volunteer studying a speech before a town meeting. Each of them is doing the same thing. They're looking at how a text works on its audience before they decide whether they agree with it. That's this lecture.
Here's where we are. In Week 1 you learned the five questions every piece of writing answers, and two of them matter most this week: who is the audience, and what is the context. In Week 2 you learned to restate a text fairly before you answer it. In Week 3 you built paragraphs from a point through evidence to an explanation. In Week 4 you learned what makes a thesis arguable and specific. And in Week 5 you met the modes, starting with narration and exposition. This week adds the next mode, rhetorical analysis. Next week, in Week 7, you'll turn the lens around and build an argument of your own.
My main example is a real speech, "I Have a Dream". I'll quote it only in short fragments, each copied exactly from the archived transcript. Let's start with the three jobs a reader can do.
1. Three jobs: summary, agreement, analysis
Picture three friends walking out of a movie. One says what it was about. One says, "I loved it." The third says the opening shot of an empty kitchen made everyone feel the loss before anyone spoke. Only the third friend explained how the movie worked on its audience.
Those are the three jobs. A summary says what the text says. Agreement is your judgment of whether a text's claim is right; in a rhetorical analysis it is set aside, because the analysis explains how the text persuades rather than whether it should. And rhetorical analysis is an account of how a text persuades its audience: which appeals it uses, through which specific moves, and with what effect; it sets aside whether the analyst agrees with the text.
Here's an example from the chapter. "King tells the crowd that the nation made a promise it has not paid and that the time to pay it is now." That sentence reports what the speech says. It's useful, and it's summary. Whether you think the speech's call was right is a response, and it belongs somewhere else. Analysis is the sentence that explains how a move in the speech works on the crowd.
Pause and try this. "The speech is right about what it asks for." Is that summary, agreement, or analysis?
Say your answer before I say mine.
Here's the answer. It's agreement. It judges whether the speech is right, and it says nothing about how the speech persuades.
2. The four appeals, as a model
Think about the last time someone talked you into something. Maybe you trusted them. Maybe they made you feel something. Maybe their reasons made sense. Or maybe they caught you at exactly the right moment. Those four pulls have names.
An appeal is a means of persuasion a text reaches for; this course teaches four as a classroom model, ethos, pathos, logos, and kairos, and one move in a text can serve more than one. Ethos is the appeal to the speaker's credibility and character. Pathos is the appeal to the audience's emotions. Logos is the appeal to reasoning and evidence. Kairos is the appeal to the opportune moment: the occasion, place, and timing that make a text's words fit their audience.
Where do they come from? Aristotle's Rhetoric names three artistic proofs: ethos, pathos, and logos. Kairos is an older Greek word for timing, revived in modern rhetoric as a fourth appeal. I'll always say them in that order: ethos, pathos, logos, kairos.
One warning. This is a model, a simplification you can hold in one hand. A real sentence often serves two appeals at once. So say "this move leans mostly on" rather than "this move is."
Pause and try this. Which of the four appeals is about timing?
Picture the moment, not the words.
Here's the answer. Kairos. It's the appeal to the opportune moment, so its force comes from when and where a text reaches its audience.
3. Ethos versus logos, kairos versus pathos
Two pairs cause most of the trouble, so let's take them one at a time.
First, ethos and logos. A surgeon gives a talk and opens by pointing to her years in the operating room. You trust what follows because of who's speaking. That's ethos. If she goes on to explain how a new knee joint spreads weight across the knee, you could follow that explanation even from a stranger. That's logos. So here's the test: would this convince you from anyone? If yes, it's logos. If the speaker is doing the work, it's ethos.
Second, kairos and pathos. Picture a storm that knocks out the power overnight. The next morning a hardware store's ad for a generator appears on your phone. The ad doesn't need to be clever, because the morning does the persuading. That's kairos. Now picture a charity ad built around one rescued dog's face. That ad would work on any day of the year, because the feeling does the persuading. That's pathos. Kairos is timing; pathos is feeling.
Pause and try this. A recall notice explains which part of a space heater can overheat and why. Which appeal does it lean on?
Ask whether a stranger's notice would convince you.
Here's the answer. Logos. The notice works because its explanation makes sense, no matter who wrote it.
4. A real speech and its occasion
Now we move from everyday texts to a real one. On 28 August 1963, Martin Luther King Jr. delivered "I Have a Dream" on the steps of the Lincoln Memorial, at the March on Washington for Jobs and Freedom. You can read and hear the whole speech by link on this week's Readings and Resources page.
Two rules come with it. A quotation is a few words copied exactly from the archived text, never typed from memory and never taken from a chatbot. And the speech is in copyright, so we quote it only in short fragments this course has verified. The analysis is of the speech's craft. It explains how the speech works, never whether you agree.
Start with the context question from Week 1. When, where, and on what occasion did this speech reach its audience? The transcript opens "Five score years ago". Five score years is a century, so the phrase marks a century after the Emancipation Proclamation. The speaker stands in front of Lincoln's monument. And the crowd has gathered for a march, to ask for something. Before you name a single device, the moment is already part of the argument.
Pause and try this. Which appeal does the occasion itself serve: the anniversary, the memorial, and the march?
Think back to the generator ad.
Here's the answer. Kairos. The timing and the place give the words their force, the same way the morning after the storm did for the ad.
5. Devices and the appeals they serve
A carpenter can name her tools, but the names aren't the point. The point is what each tool builds. Devices work the same way.
A rhetorical device is a specific, nameable move in a text's wording or structure, such as anaphora or metaphor, that a writer uses to serve one or more of the appeals. This week has five. Anaphora is the repetition of the same words at the start of clauses or sentences in a row. Antithesis is two opposed ideas set side by side in balanced form. A metaphor describes one thing as if it were another. An allusion is a brief reference to a text, person, or event the audience already knows. Parallelism gives related ideas the same grammatical shape.
Now the speech. "Five score years ago" echoes Lincoln's "Four score and seven years ago". That's an allusion, and it borrows Lincoln's authority. The nation signed a "promissory note" and handed back a "bad check" marked "insufficient funds". That's a metaphor, and it frames the demand as a debt, which is logos with pathos in it. "Now is the time" opens four consecutive sentences. That's anaphora, and it serves kairos. And "content of their character" set against "the color of their skin" is antithesis. For parallelism, listen to Lincoln's close: "government of the people, by the people, for the people".
Pause and try this. "Let freedom ring" comes back again and again at the close. Which device is that?
Listen for where the repeated words sit.
Here's the answer. Anaphora. The same words open line after line, and each return builds hope, so it leans on pathos.
6. Claim, evidence, effect
Imagine a friend tells you a speech was persuasive. You ask how. They say, "It used pathos." You still know nothing. You want them to point at a moment and tell you what it did.
That pointing has a shape. An analytical paragraph is a paragraph built on a three-part engine: a claim that names how the text persuades, a few exact words from the text as evidence, and an explanation of the effect on the audience. A label is a sentence that names an appeal or a device without saying how the move works or what effect it has. An effect is what a rhetorical move does to its audience.
Here's the build from the chapter. The label is "King uses pathos to make the audience emotional." It names an appeal and stops. The claim is "King's speech persuades by making delay sound like the real danger." The evidence is that he opens four consecutive sentences with "Now is the time", and he calls waiting "the tranquilizing drug of gradualism". The effect is that the repeated "now" lands on the same beat four times, so the crowd hears the demand in the present tense again and again. The drug metaphor recasts waiting as something that dulls the people asked to wait. For a crowd gathered for a march, "wait" starts to sound like the risky choice. And the link: that urgency is kairos at work.
Pause and try this. In that paragraph, which part turned the label into analysis?
Find the sentences that talk about the crowd.
Here's the answer. The effect. Naming the appeal was only a label until the paragraph explained what the words did to that crowd.
7. Quote less, analyze more
A chef tasting soup doesn't drink the whole pot. One spoonful tells her what she needs. A quotation in an analysis works the same way.
Picture two plans. Plan A copies a whole paragraph of the speech, then adds one sentence: "This shows that King is urgent." Plan B quotes two short fragments and spends three sentences on what they do. Plan B is stronger. A shorter quotation with more analysis beats a longer quotation with less, because the space goes to the effect.
And every fragment is copied from the archived text. Open the transcript, use your browser's Find tool, search for the phrase, and copy it. If Find can't locate it, you have a misquotation, and you fix it before it reaches your draft.
Pause and try this. A classmate pastes six sentences of the speech and writes one line about them. What's the fix?
Think about where the space should go.
Here's the answer. Cut the quotation to the few words that carry the move, then spend the freed space explaining the effect.
8. Check the machine
Chatbots answer "analyze this speech" in seconds. The answer often sounds finished. The rule still holds: the tool drafts, and the writer judges.
In an analysis, a chatbot tends to make three mistakes. It lists appeals without a word about effect. It slides into summary and retells the speech in order. And it can supply a "quotation" the speech never contained, or a real line slightly misworded. The chapter shows a typical reply: it says the speech uses ethos, pathos, and logos, retells the history and the dream, and calls the speech effective. That's three labels, a summary, and no kairos at all.
So you run the tests. Mark each label. Mark each sentence of summary. Search the archived transcript for any quoted words. Then rebuild one move with claim, evidence, and effect, in your own words.
Pause and try this. A chatbot writes, "King uses repetition to make the audience emotional." Is that analysis?
Check for the exact words and the effect.
Here's the answer. No, it's a label. It names no exact words and never says what the repetition did to that crowd.
9. Planning the analysis essay
A detective's report doesn't list clues in the order they were found. It names who did it, then walks through the proof. An analysis essay works the same way.
A rhetorical analysis essay is an essay whose thesis states how a text persuades its audience and whose body paragraphs each analyze one move with claim, evidence, and effect. Your Week 4 test still applies: the thesis is arguable and specific. Here, arguable means another careful reader could analyze the text differently.
Here's the chapter's thesis. "King's speech persuades its audience by making its occasion part of the argument: it opens on a century-old promise, frames that promise as a debt, and then makes waiting sound more dangerous than acting." Each body paragraph takes one of those moves. One takes the allusion and the setting. One takes the debt metaphor. One takes "Now is the time" and the drug metaphor. Notice what's missing: any sentence about whether you agree.
Pause and try this. "King's speech is right about equality." Can that be the thesis of a rhetorical analysis essay?
Ask which of the three jobs it does.
Here's the answer. No. It's agreement, a judgment of the speech, so it can't organize an analysis of how the speech persuades.
Closing
Let me pull it together. Summary says what a text says, agreement says whether it's right, and analysis says how it persuades. The four appeals are a model: ethos, pathos, logos, kairos. Ethos is who is speaking and logos is the reasoning, while kairos is timing and pathos is feeling. King's speech gets its force partly from its occasion, a century after the proclamation, in front of Lincoln's monument. Devices are tools, and each one serves an appeal. Every analytical paragraph runs claim, evidence, effect. Quote a few exact words and spend your sentences on the effect. Check every chatbot analysis for labels, summary, and invented quotations. And build the essay one move per paragraph.
Next in this module come the slide deck, the Readings and Resources page, the lecture tutorial, the practice set, and the quiz. Next week, in Week 7, Argument: Claims, Evidence & Warrants, you'll build a case of your own.
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