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ACT® · Reading — Key Ideas and Details: Close Reading

Conclusions by Synthesizing Across a Text

Some reading questions reward a conclusion that only holds together once you connect a detail from an early paragraph to a detail from a much later one, rather than resting on either alone.

A single paragraph usually gives you a fact. It rarely gives you a conclusion by itself. The strongest answer choices on synthesis questions are built from two facts sitting far apart in the passage, one early and one late, that only make sense together. The passage might mention a failed harvest in paragraph two and say nothing more about farming for pages, then mention emptied villages in paragraph six. Neither sentence alone proves why the villages emptied. Put them next to each other and the cause becomes visible.

The mechanical move is to hold a claim open rather than close it too early. When you read a detail that seems to want an explanation, a motive, a cause, a reason, do not force an answer yet. Carry it forward as an open question. Keep reading normally, and when a later paragraph supplies the missing half, the two halves snap together. This is different from summarizing each paragraph in isolation, which is what weaker answer choices do: they restate one true fact without resolving it.

This skill sits right next to locating details and paraphrasing, but it asks for one more step. Locating and paraphrasing stop at what a sentence says. Synthesis asks what two sentences, placed together, force you to conclude. The same habit extends to paired passages, where the two halves of the arc come from two different texts instead of two paragraphs in one text. There the question is usually explicit: what does passage A, combined with passage B, establish that neither establishes alone.

Key terms

Synthesis conclusion
A conclusion that only holds up once details from two separated parts of a text are combined.
Holding a claim open
Keeping an unresolved detail in mind while reading further instead of guessing its explanation too early.
Arc
The connection drawn between an early detail and a later one that together produce a conclusion.
Paired texts
Two separate passages presented together, where a question may ask what both establish jointly.

Watch it explained

  1. How it worksHow does an arc drawn between a detail in the second paragraph and one in the sixth make a conclusion?
  2. How it worksWalk me through holding a claim open in memory until a much later paragraph resolves it.
  3. Worked exampleShow me combining an early mention of a failed harvest with a late mention of emptied villages.
  4. Common mistakeWhy doesn't an answer backed by one paragraph beat one backed by two distant ones?
  5. Going furtherWhat changes about a synthesis conclusion when the two portions sit in two different paired texts?

Check yourself

Your turnhard1 of 3
Informational passage: The parish registers of the Sarthe begin in 1641, and for three generations they record what you would expect: baptisms in spring, marriages after the harvest, burials in the cold months. The entries for 1703 differ only in a clerk's marginal note, which observes that the rye came in light and the millers were idle by October. The registers run on for two more decades with nothing remarkable in them. Then, in the last pages, the handwriting changes and the volume of entries falls by more than half. A later hand has written the names of 38 households opposite one word, parti, departed, and the marriages stop. The register was closed in 1731, when the parish was merged with its neighbour and the church was sold for its stone. Taken together, the marginal note and the closing pages best support which conclusion?

End of topic.