Lecture: Midterm Review & Exam
Lecture script · about 15–20 minutes spoken · Week 8
Opening
Picture a shift supervisor at a warehouse who reads a whole page of notes to the morning crew, eyes down, and then wonders why nobody followed the plan. Now picture a youth-team coach who tells a room of parents "studies show" before a number and can't say which study when a parent asks. Neither one is bad at speaking. Each one swapped two neighboring ideas.
That's the theme of this lecture. Most slips a new speaker makes are a swapped pair: two ideas that sit side by side, traded for each other. The cure is to name the one distinction between them and test your sentence against it.
Here's where we are. Week 1 built the communication model, and Week 2 turned you toward your audience. Weeks 3 and 4 gave the running speech its purpose, its message, and its proof. Weeks 5 and 6 gave it a shape and put it on paper twice, and Week 7 rewrote its sentences for the ear. Next week the second half opens with delivery.
In this lecture I'll walk one distinction from each of those seven weeks, each on an example you already know. Then I'll hand you one new map, the five canons of rhetoric, and we'll finish with what the midterm asks of you.
1. Channel versus message
You get the same news from a friend twice, once as a text and once as a voice memo. The words barely change. What changes is how they reach you.
That's the first pair. The message is the content being communicated, meaning the words, tone, and gestures themselves, as distinct from the route they travel. The channel is the route a message travels from source to receiver, such as spoken words in a room, a microphone and speakers, a video call, or a text. One question finds each. What is being said? That's the message. How does it travel? That's the channel.
Remember the lobby announcement from Week 1. At 8 a.m., a building manager says over the lobby speakers that the north lot closes at noon, so drivers should move to the south lot. The message is the lot news. The channel is spoken words through the lobby speakers. The course's model has 6 elements in all: source, message, channel, receiver, noise, and feedback. Noise comes in 4 kinds, and the lobby had all of them. A leaf blower was physical noise. A headache was physiological. A listener rehearsing for an exam was psychological. And a student who didn't know which lot was "north" was facing semantic noise.
Then came feedback. Someone called out, "Which lot is north?" The manager added, "the lot beside the gym." The listeners changed the message while it was being sent. That's the transactional picture this course lands on.
Pause and try this. If the manager had posted the same news on a sign by the door, what would change: the message, or the channel?
Say the two questions to yourself before you answer.
Here's the answer. The channel changes from spoken words to a printed sign, while the message stays the same, because what is said hasn't changed, only how it travels.
2. Hearing versus listening
A television plays while you cook dinner. Later, you couldn't repeat a word of it. The sound reached you. The meaning never did.
Week 2 named that gap. Hearing is the physical, automatic process of sound waves reaching the ears and the brain registering them; it happens whether or not a person pays attention. Listening is the mental, deliberate process of paying attention to a message, making sense of it, responding to it, and remembering it; unlike hearing, it is a choice. Hearing covers only the first stage of the listening process, receiving. Every stage after that is something the listener chooses to do.
Week 2 also handed you a second pair, because it turned you around to face an audience. Audience analysis reads a group through 3 lenses, demographic, psychographic, and situational, and looks for tendencies across the group. Stereotyping is pinning a trait on a person, or on every member of a group, because of a group they belong to.
Here's how that played out in the running speech's audience, a first-year seminar of about 30 students who all eat in the dining hall. "Most first-year students are new to the dining hall's routines" is a tendency, worth checking by asking a few classmates. "This audience does not care about waste" pins a trait on everyone with no evidence. That's stereotyping.
Pause and try this. A listener in that seminar turns her phone face down when the speech begins. Is that hearing or listening?
Think about which stage needs a choice.
Here's the answer. It's listening, because turning the phone over is a choice to attend, and hearing only covers the sound arriving.
3. Specific purpose versus central idea
Think about planning a road trip. On your own list you write, to get the group to the coast by sunset. To your friends in the car, you say where you're stopping and which road you're taking. The first is your goal. The second is what you tell people.
Week 3 drew that line, and it may be the pair that matters most all term. There are three levels. A general purpose is the broad aim of a speech, chosen from three: to inform, to persuade, or to entertain or mark an occasion. A specific purpose is one audience-centered goal for a speech, written as an infinitive phrase such as "To inform my audience about…"; it is a planning tool the speaker writes down but does not read aloud word for word. A central idea is one complete declarative sentence that states a speech's message, the thing the audience should walk away knowing or believing; the speaker says it aloud near the end of the introduction.
The running speech shows all three. Its general purpose is to inform. Its specific purpose is to inform the audience about how the dining hall handles its plate waste. Its central idea says that a dining hall's plate waste is measured by weighing what comes back on plates, targeted by changing how food is served, and diverted through donation and composting. The specific purpose passes 4 tests, and the central idea passes 3 checks. That's 7 checks in all.
Pause and try this. A speaker opens with, "My specific purpose is to inform you about bike parking." What went wrong?
Ask which sentence belongs on the planning page.
Here's the answer. The speaker said the planning goal out loud where the central idea belongs, so the audience heard a goal and never heard the message.
4. Expert versus lay testimony, and a full citation versus "studies show"
Two people tell you about a busy street corner. One has worked as the crossing guard there every school morning for years. The other wrote the traffic study. You'd want to hear both, but for different things.
Week 4 named that pair. Expert testimony is testimony from a person qualified in the field the claim belongs to, such as a researcher reporting a study's findings. Lay testimony is testimony from an ordinary witness speaking from firsthand experience of an event or a place, valuable for what it was like but not for expert judgment. Researchers Wenhao Zhang and Junehee Kwon, reporting their own study of trays in a university dining hall, give expert testimony. The crossing guard gives lay testimony.
The second pair is about how you say where evidence came from. An oral citation is a spoken credit, placed in the sentence before the evidence, that names who produced the source, what the source is, and when it appeared. Here's one from the running speech. As Associated Press reporter Dee-Ann Durbin wrote for PBS News in 2022, about 35 percent of the food available in the United States in 2019 went unsold or uneaten, according to ReFED, a group that studies food waste. Who, what, and when all come before the number. The speech has 3 citations with 3 parts each, so 9 parts named. The part that goes missing most often is when.
Pause and try this. A speaker says, "Studies show most riders feel safer at lit bus stops." Which of the three parts does that sentence name?
Count who, what, and when.
Here's the answer. It names none of them, so a listener can't check the claim, and if the study can't be found, the speaker drops the claim.
5. Matching a pattern to its use
Someone gives you directions by naming every landmark in a random order. Every fact is right, and you're still lost. The order of the ideas is part of the message.
Week 5 asked you to match the shape to the job. An organizational pattern is the logic a speaker uses to order the main points, and this course names six: chronological, spatial, topical, causal, problem–solution, and Monroe's Motivated Sequence. The test is the decision logic. First, name the purpose. Then ask which logic fits the audience's question. Only then pick the pattern.
For the running speech, the purpose is to inform, and the audience's question is how the waste is handled. The central idea names 3 kinds of handling, so the pattern is topical, with 3 main points: measure, target, divert. The chronological version, following a tray from the serving line to the bin, is set aside, not wrong. Monroe's Motivated Sequence has 5 steps and ends in action, and problem–solution has 2 parts. Neither fits a speech that asks no one to act.
Around the body sit the doors. The introduction has 4 functions, and the conclusion has 3 jobs, so that's 7 door sentences around the body.
Pause and try this. A speaker treats "In conclusion" as the speech's clincher. Which of the conclusion's three jobs is that phrase really doing?
Picture where it sits in the conclusion.
Here's the answer. It's the signal, the first job, and the clincher is the memorable last line that comes after the summary.
6. Two outlines, and transition versus signpost
A friend stands up to give a toast with a full typed page, and the room drifts. Another speaker glances at one small card and talks to the room. Same speech, different paper.
Week 6 gave you two pairs. A preparation outline is the finished, full-sentence plan of a speech, with every connective written out and every oral citation written in where its evidence appears; it's never taken to the lectern. A speaking outline is the brief guide a speaker holds while delivering a speech: keywords and short phrases on cards. The running speech's preparation outline holds 3 main points and 6 subpoints, so 9 lines in the symbol system. Its speaking outline is 5 cards.
The second pair is about the bridges. A transition is a connective that bridges two main points by naming the point the speaker is leaving and the point the speaker is entering. A signpost is a short marker, such as "first," "second," or "finally," that tells listeners where they are without explaining how the ideas relate. The outline-error set shows both. One item needed a transition: reducing waste is half the job, and the other half is where the food that still comes back goes. Another item had a signpost that named nothing, "Also, composting," fixed into a sentence that says composting is separate from donation.
Pause and try this. A speaker says "Finally," and moves on. Is that a transition or a signpost?
Ask whether it names both sides.
Here's the answer. It's a signpost, because it marks where the listener is but doesn't name the point being left or the point being entered.
7. Oral style versus written style
Imagine a company memo read word for word to a room, and nobody moves. Then someone says the same thing in a few plain words, and everyone acts. Week 7 explained why.
Oral style is language built to be heard once rather than read: shorter sentences, more repetition, heavier signposting, first and second person, familiar concrete words, and rhythm built in. Written style is built for a reader who can slow down, skip back, and re-read. The course's flat sentence held 21 words. The oral version's sentences averaged 12, so each ran 9 words shorter, and the repeated "No one tells you" added anaphora.
Week 7 also named 6 devices of vivid language: metaphor, simile, parallelism, anaphora, antithesis, and alliteration. This week we name each on its fragment and move on, and the analysis stays on craft, never on whether you agree with a speaker. In his inaugural address in 1961, Kennedy said, "ask not what your country can do for you--ask what you can do for your country." That's antithesis. His line "the torch has been passed to a new generation of Americans" is a metaphor. In his address to Congress in 1941, Roosevelt opened sentence after sentence with "Last night." That's anaphora.
Pause and try this. Someone quotes Roosevelt as saying "a day that will live in infamy." What should you do before you name its device?
Think about where the real words live.
Here's the answer. Check the transcript first, because it says "a date which will live in infamy," and you name a device only on the words actually spoken.
8. The five canons of rhetoric
Think about cooking a meal for friends. You decide what to make and shop for it. You plan the order of the courses. You season each dish. You get the timing in your head. Then you serve it.
Speakers have divided their work that way for a very long time. The five canons of rhetoric are the Roman rhetorical tradition's division of a speaker's work into five parts, invention, arrangement, style, memory, and delivery, set out in the anonymous Rhetorica ad Herennium and in Cicero's De Inventione. The Rhetorica ad Herennium dates from the first century BCE and was once credited to Cicero. Invention is finding what to say. Arrangement is putting it in an order a listener can follow. Style is choosing the words. Memory is holding the speech in mind, which in this course means rehearsing from a speaking outline rather than memorizing the words. Delivery is presenting it through your voice and body.
Here's the map. Weeks 3 and 4 were invention. Weeks 5 and 6 were arrangement. Week 7 was style. That's 5 weeks of canon work so far, covering 3 of the 5 canons, so 2 remain. Memory and delivery fill Weeks 9 to 15. The canons are a classroom model, so real speakers loop back. You might find new evidence while you outline, and that's fine.
One warning. Ask a chatbot where the canons come from, and it may tell you Aristotle set out all five. That's 1 misattribution, delivered with confidence. Check it against the course's sources, the same habit Week 4 taught for a statistic.
Pause and try this. You swap the word "utilize" for "use" in your opening line. Which canon are you working in?
Ask whether you're finding, ordering, or wording.
Here's the answer. You're working in style, because you're choosing the words that carry an idea to a listener.
Closing
Let me pull it together in the order we built it. The channel is how a message travels, and the message is what it says. Hearing arrives on its own, and listening is a choice. Your specific purpose is the goal you plan from, and your central idea is the message you say. Expert testimony judges, lay testimony describes, and a complete oral citation names who, what, and when before the evidence. The purpose picks the pattern. You build on the preparation outline and speak from the cards, and a transition names both sides while a signpost marks only the place. Oral style is built for the ear. And the five canons, invention, arrangement, style, memory, and delivery, turn those weeks into one workflow.
The midterm covers Objectives 1 to 4 and the language half of Objective 5, as taught in Weeks 1 to 7. You take it on your own, without AI. Read each item for the swapped pair it tests.
Next in this module come the slide deck and the Readings & Resources page, then the practice set, the discussion, and the midterm. Next week, in Delivery & the Modes of Delivery, the last two canons take over.
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