A question like "The anecdote in the second paragraph primarily serves to" can't be answered by knowing what the anecdote says. You could retell the story perfectly and still miss the point, because the question is about its job: why the writer put that story there, at that moment, for those readers. Reading for reasoning and organization means reading every sentence and paragraph twice in your head, once for what it says and once for what it does in the argument.
Every part of an argument has a job
Topic 1.3 showed how to find a writer's claims and the evidence behind them. Those are two of the jobs a part of a text can do, but there are more, and AP questions ask about all of them. The function of a sentence or paragraph is the work it does for the argument, as opposed to its content, which is what it is about.
| Job | What it looks like | Typical signal |
|---|---|---|
| Make a claim | A debatable statement the writer will defend | Often a topic sentence or a closing sentence |
| Give evidence | Facts, numbers, an anecdote, an example, testimony | "For example," "last year," "I counted," quotation marks |
| Explain evidence | Sentences that say why the evidence proves the claim | "This means," "which shows," "that is why" |
| Concede or answer an objection | Granting a point to the other side, then responding | "Admittedly," "of course," "it is true that," then "but" or "still" |
| Set up | Background, a definition, a scene, or a problem the argument needs | Usually early: description, history, "consider" |
| Turn | A shift in direction: from story to meaning, from praise to criticism | "But," "yet," "I now think," a new paragraph |
| Conclude or call to act | The point everything has been building toward, or what the reader should do | "So," "we should," a request, a final short sentence |
A reliable way to find a part's function is the removal test: imagine the part deleted and ask what the argument would lose. If you delete a statistic and the claim now rests on nothing, the statistic was evidence. If you delete a sentence and the reader can no longer see why the statistic matters, that sentence was explanation. If you delete the opening story and the essay suddenly starts cold with an abstract claim, the story was setting up the issue and making readers care.
The explaining job deserves special attention, because it is where reasoning actually happens. Evidence doesn't speak for itself: the number "ninety-one readers on Sunday, fourteen on Wednesday" means nothing until a writer says what it shows. The sentences that connect evidence to a claim are called commentary, and when a question asks how a writer "develops" or "supports" a point, the answer is often in the commentary rather than in the evidence.
The line of reasoning: where the claim sits
A line of reasoning is the sequence of claims, and the commentary linking them, that carries a reader from the writer's starting point to the thesis. Reading it means asking: what does the writer need me to accept first, and what does that make possible next?
Arguments put their main claim in one of two places.
- Claim first. The writer states the position, then defends it point by point. A reader always knows where the argument is going. This suits readers who are already open to the claim or who want the bottom line fast, such as a committee reading a proposal.
- Claim last. The writer leads readers through evidence and smaller claims and arrives at the thesis near the end. This suits readers who might reject the claim if they heard it first: by the time it arrives, they have already agreed to the steps that lead to it.
Neither is better in general. The choice depends on the rhetorical situation you learned to describe in Topic 1.1, especially what the audience already believes. When a passage withholds its main claim until the last paragraph, ask why, and look to the audience for the answer.
The order of paragraphs is the clearest evidence of the line of reasoning. Try writing a paragraph map: one short phrase per paragraph naming its job, such as "story of the closed library," "attendance numbers," "concedes the cost," "asks readers to sign." Read the phrases in order and the line of reasoning appears: here, an argument that moves from a human case to proof to an objection to a request. Questions such as "The passage as a whole is best described as" or "The organization of the passage is best described as" are asking you for that map in one sentence. Judging whether each link in the chain actually holds, and spotting the flaws that make reasoning illogical, is the work of Topic 3.5.
Anecdotes, examples, and turns inside the reasoning
Anecdotes need extra care on function questions, because a story can do several different jobs. An anecdote can illustrate a claim the writer has already made (a concrete case of a general point), introduce a problem before any claim appears, establish the writer's credibility by showing firsthand experience, or complicate an easy view by showing a case that doesn't fit it. To tell which, look at what comes right after the story. If the next sentence generalizes ("Every family on our street has a version of this story"), the anecdote was evidence for a pattern. If the next sentence says "I believed this for years. I was wrong," the anecdote set up a view the writer is about to reject.
Turns are the hinges of a line of reasoning. A paragraph that begins with praise and ends with doubt, or a passage that moves from a personal memory to a public recommendation, has shifted direction, and exam questions describe those shifts with the stem "moves from ... to ...". Find the turn by looking for contrast words (but, yet, still, however), for a change in tense (past story to present judgment), or for a change in scale (one person to everyone). The right answer names both ends of the movement accurately; a wrong answer usually gets one end right and the other end wrong or too broad.
Small connecting words carry the logic between sentences. Because and so mark cause and consequence; for example marks evidence; admittedly marks a concession; but after a concession marks the writer's answer. Reading these words carefully is how you catch the relationship between two sentences instead of treating them as a list. Unit 3 names the larger patterns writers use to develop reasoning (narration, cause and effect, comparison, definition, description), and Unit 5 studies transitions and coherence in depth.
Worked examples
Identify the function of each numbered sentence in this paragraph from a letter to a city newspaper.
(1) The two pianos the city placed in Harmon Square last spring have done more for downtown than the fountain renovation that cost forty times as much. (2) Shop owners on the square report that people now linger over lunch instead of cutting straight through. (3) One afternoon in June I counted eleven strangers standing around a teenager who was playing a song from a video game, and by the end two of them were singing along. (4) Admittedly, the pianos are out of tune by August, and a few people bang on them late at night. (5) But a square where strangers stop to listen to each other is doing exactly what a public square is for, and an out-of-tune piano does that better than a fountain nobody sits beside.
Show solution
- Sentence 1: claim. It is debatable (someone could defend the fountain) and everything after it defends it.
- Sentence 2: evidence, in the form of testimony from shop owners.
- Sentence 3: evidence, a personal observation with a number, which makes the shop owners' general report concrete.
- Sentence 4: concession. "Admittedly" grants the strongest objection, so the writer looks fair rather than starry-eyed.
- Sentence 5: answer to the concession, and commentary. It explains why the evidence matters: the writer defines what a square is for and shows the pianos meet that standard. Remove this sentence and the paragraph becomes a list of nice observations plus a complaint, with no reason the pianos beat the fountain.
Notice that the most important sentence for the reasoning is the last one, even though it contains no new fact. That is typical: commentary is where the argument is made.
An op-ed in a small-town paper has five paragraphs. A paragraph map:
- A description of county mowing crews cutting every roadside down to the dirt each June.
- A count of monarch butterflies along an unmowed cemetery edge compared with a mowed ditch a hundred yards away.
- What June mowing costs the county each year, and how much a single September mowing would cost.
- An objection: tall grass blocks drivers' view at intersections. The writer answers it by proposing a ten-foot mowed strip around every corner.
- The thesis: the county should mow roadsides once a year, in September, except at intersections.
Describe the line of reasoning, and explain why the writer may have placed the thesis last.
Show solution
The line of reasoning. The op-ed opens by setting up a familiar scene, then builds a case in two steps: June mowing destroys habitat (paragraph 2's butterfly count) and wastes money (paragraph 3's costs). Having made both points, it handles the safety objection in paragraph 4, which also gives the proposal its exception for intersections. Only then does it state the full proposal. Each paragraph supplies something the thesis needs: the ecological reason, the financial reason, and the safety condition that makes the plan practical.
Why the thesis comes last. Many readers of a small-town paper like tidy roadsides and might dismiss "stop mowing in June" if it came first. By the time the thesis arrives, readers have seen the butterflies, the savings, and a solution to the safety worry, so the proposal reads as the obvious conclusion of facts they have already accepted. A strong answer ties the placement to this audience; a weak one says only "it saves the thesis for the end for emphasis."
The following passage is original, written for this lesson. Its speaker is a county surveyor looking back on his early career, writing in a magazine read by engineers.
When I was twenty-two the county sent me to map Alder Creek, and the farmer whose land it crossed insisted on walking with me. At every bend he stopped to give it a name: the place where the ice held in the hard winter, the pool where a neighbor's calf had drowned, the gravel bar where his father had once found a silver spoon. I wrote down none of it. I was recording distances and compass bearings, and I thought him a pleasant obstacle.
My map was accurate, and the county used it for twenty years without finding an error. But it was, I now think, the poorer of the two maps made that day. The farmer's map could not have told an engineer where to set a culvert, but it told something mine could not: which stretch flooded first, where the ice could be trusted, which ground his family had worked for two generations. That is information, too, and it was gathered over sixty years by the people best placed to gather it.
A map that records only measurements ought to be called what it is, a measurement. If we mean to map a county, we should write the local names beside the bearings, for those names are the oldest survey the county has.
Question 1. The anecdote in the first paragraph primarily serves to
- (A) establish the writer's technical skill as a young surveyor
- (B) introduce a contrast between two kinds of knowledge that the passage goes on to evaluate
- (C) criticize the farmer for delaying the county's survey
- (D) describe the scenery along Alder Creek for readers who have not seen it
Question 2. The second paragraph moves from
- (A) an acknowledgment of the map's accuracy to a judgment that it was incomplete
- (B) a defense of the farmer's methods to an admission of their limits
- (C) a description of the creek to an account of its flooding
- (D) a complaint about the county to praise for its engineers
Question 3. The organization of the passage as a whole is best described as
- (A) a definition of a term followed by examples of its misuse
- (B) a refutation of a common belief about surveying, supported by statistics
- (C) a personal narrative, a reconsideration of it, and a recommendation that follows from that reconsideration
- (D) a chronological history of mapmaking in the writer's county
Show solution
1. (B). The story sets two ways of knowing the creek side by side: the farmer's named places and the surveyor's distances and bearings. The rest of the passage weighs them. Apply the removal test: without the anecdote, the second paragraph's "two maps" would have no referent. (A) is the tempting choice because the young writer is doing technical work, but the anecdote shows him missing something, which undercuts rather than establishes his authority. (C) misreads the tone: "a pleasant obstacle" is how he saw the farmer then, and the passage goes on to reject that view. (D) mistakes content for function: the details of the creek are there to show what the farmer knew.
2. (A). The paragraph opens by granting the map's accuracy ("used it for twenty years without finding an error"), then turns on "But": "the poorer of the two maps." That is a concession followed by the writer's real judgment. (B) gets the starting point wrong: the paragraph opens with the writer's own map, not a defense of the farmer, and the note about culverts is a brief aside inside the defense, not where the paragraph ends up. (C) and (D) name content the paragraph mentions or doesn't contain, not its movement.
3. (C). The paragraph map is: story (paragraph 1), reconsideration of the story with "I now think" (paragraph 2), recommendation with "we should" (paragraph 3). The recommendation comes last because it depends on the reconsideration: readers who are engineers must first accept that the farmer's knowledge counts as information. (A) is wrong because the definition-like sentence comes at the end, not the start. (B) is wrong because there are no statistics. (D) covers one afternoon, not a history.
Where students lose points
On the exam
In the multiple-choice section, reasoning and organization questions about published passages use stems such as "primarily serves to," "the function of the sentence," "moves from ... to ...," "is best described as," and "the writer's chief strategy in the final paragraph is to." In the rhetorical analysis essay, the same reading pays off: commentary that explains why a writer placed a story first or delayed a thesis, tied to the audience, is the kind of analysis that earns the higher evidence-and-commentary scores, while essays that only summarize the passage in order earn little in that row.
Check yourself
Question 1
An essay against banning phones in a high school opens with the writer's memory of a classmate who used a phone's translation app to follow lessons in her first months in the country. The next sentence reads: "A ban written for distracted students would have shut her out on day one." The opening anecdote primarily serves to
- A
show that the writer has personal experience with phone bans
- B
present a case that complicates the reasoning behind a ban
- C
describe how translation apps work
- D
concede that phones distract most students
Show answer
B
The sentence after the story tells you its job: it shows a student a ban would harm, which complicates the assumption that phones in class are only distractions. Choice A is tempting because the memory is personal, but nothing in the passage depends on the writer's experience; it depends on the classmate's case. Choice D names an idea the anecdote works against, not one it concedes.
- A
Question 2
In a paragraph arguing that a city should keep its Eastside pool open through September, which sentence is commentary rather than evidence or claim?
- A
The city should keep the Eastside pool open through September.
- B
Last September the pool drew about 200 swimmers on weekday afternoons, most of them after 3 p.m.
- C
Those afternoon crowds are children coming straight from school in a neighborhood with no other public pool, so closing at the end of August takes away the one free place they can swim.
- D
The lifeguard captain says the September staff are mostly college students who can still work afternoons.
Show answer
C
Choice C explains what the attendance figures mean and why they support the claim: the people affected have no alternative. A is the claim, and B and D are evidence (a figure and testimony); none of them says why the evidence matters.
- A
Question 3
A speech to a school board that mostly favors cutting the music program does not state the speaker's position (keep the program) until the last paragraph. Before that, it presents attendance figures, a parent's account, and the program's low cost. Explain one reason this order suits the situation.
Show answer
Because the board leans toward the cut, stating "keep the program" first could make members stop listening or read every later point as special pleading. Presenting the evidence first lets them accept each fact on its own terms, so that by the end the position reads as the conclusion of facts they have already granted.
Placing the thesis last is a choice about the audience: it suits listeners who might reject the claim if they heard it first. A full answer links the order to what this audience believes.
Question 4
A paragraph begins by praising a new city bike-share program's popularity, then shifts with "Yet nearly every station sits within a mile of the university" and ends by arguing that the program serves students and ignores the neighborhoods that most need cheap transit. Which choice best describes how the paragraph moves?
- A
From an account of the program's history to a prediction about its future
- B
From praise for the program's success to a criticism of whom it serves
- C
From a criticism of the university to a defense of the program
- D
From statistics about ridership to a general discussion of city transit
Show answer
B
The turn word "Yet" separates praise (popularity) from criticism (stations placed for students, not for the neighborhoods in need). Choice D gets the start roughly right but the destination too broad: the paragraph ends on a specific criticism, not a general discussion.
- A