Question 1

What is the difference between a passage's 'main idea' and its 'author's purpose' on the ACT?

Accepted Answer

The main idea is WHAT the passage is primarily about, while the author's purpose is WHY the author wrote it (to inform, persuade, entertain, or describe).

Question 2

When asked for the 'main idea' of a passage, which answer choice should you eliminate first?

Accepted Answer

Eliminate any answer that is too narrow (covers only one detail or paragraph) or too broad (goes beyond what the passage actually discusses).

Question 3

In an ACT Reading passage, where is the thesis or controlling idea most commonly located?

Accepted Answer

The thesis is most commonly found in the opening paragraph, but it may also appear at the end of the introduction or, in some literary narratives, emerge gradually throughout the passage.

Question 4

What does it mean when an ACT question asks about the 'primary purpose' of a specific paragraph within a passage?

Accepted Answer

It asks how that paragraph functions within the passage as a whole — for example, does it introduce a counterargument, provide evidence, offer background, or transition between ideas?

Question 5

What is an inference in the context of ACT Reading, and what must every correct inference be supported by?

Accepted Answer

An inference is a conclusion not directly stated but logically implied by the text. Every correct ACT inference must be directly supported by evidence in the passage — not by outside knowledge or personal opinion.

ACT Reading Comprehension Mastery

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