Comparing two passages: reading a pair of passages on a related topic for their shared subject and differing claims, tone, or emphasis, answering questions about each and about the relationship, and inferring how one author would respond to the other.

What this skill is asking

One part of the ACT Reading section is a pair of passages on a related topic, and the comparison questions are the heart of the Integration of Knowledge and Ideas category. After reading both, you answer questions about each passage and about the relationship between them: where they agree, where they disagree, how their claims, tone, emphasis, or evidence differ, and how one author would respond to the other. The skill is keeping the two viewpoints straight, never blurring them, and reading the relationship precisely: a shared subject does not mean shared conclusions, and two passages can agree on facts while disagreeing on what they mean. The classic trap is attributing one passage's view to the other or assuming agreement from a shared topic.

Read each passage, then the relationship

The work is in two layers: each passage alone, then the two together.

Keep the two views straight

The single most important discipline is attribution: always know which passage a claim comes from. A quick mental or margin note ("A: productivity up; B: collaboration down") prevents the most common error, mixing the two. When a question asks how the passages relate, name both the shared subject and the nature of the difference (opposing conclusions, different emphasis, different evidence). When a question asks how one author would respond to the other, do not guess: take that author's stated stance and apply it to the other's claim. If B doubts the data, B responds to A's confident results by questioning the data, a response you derive from B's own position rather than inventing.

A worked comparison question

Why comparison crowns the category

Comparing two passages is where the whole section comes together, which is why it sits in Integration of Knowledge and Ideas. It builds on analyzing each argument (you compare two claims), on evaluating evidence (you weigh which case is stronger), on fact versus opinion (you sort each author's facts from views), and on reading relationships between ideas at the scale of two whole texts. The pacing and reading routine for the paired part are developed further in paired passages. Keep the two voices distinct, and the comparison becomes straightforward.

Try this

Q1. What should you track across a pair of passages? [Recall]

• Cue. The shared subject, each passage's central claim (attributed to A or B), the points of agreement and disagreement, and how each author would respond to the other given their stance.

Q2. Passage A says a new drug is effective; Passage B argues the trial was too small to trust. How would Author B respond to Author A's confidence? [Short explanation]

• Cue. Author B would question whether the drug is truly proven effective, on the grounds that the trial was too small. The response follows from B's stated stance (doubting the evidence), applied to A's confident claim, rather than from any new position.