Logical ReasoningDifficulty: Easy

PT106 S1 Q1 Explanation

A student has taken twelve courses

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsStrengthen

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Stimulus

A student has taken twelve courses and received a B in a majority of them. The student is now taking another course and will receive a B in it.

What this question is testing

Strengthen

Your task

Find the choice that makes the argument's conclusion more likely to be true.

Common trap

Answers that are consistent with the argument but add no real support, or that strengthen a claim the argument doesn't make.

Winning move

Locate the gap between evidence and conclusion, then pick the choice that closes it.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
1.

Each of the following, if true, strengthens the

Answer choices

  1. Correct84% picked this

    The student previously studied alone but is receiving help from several outstanding students during

    Why this is right

    This weakens, by pointing out an important difference: before, he was alone, but now he's getting help (so maybe he's probably going to get an A, with help).

    Skill tested: Strengthen · how this choice captures the argument's function is the move to repeat next time.

  2. Supports7% picked this

    The twelve courses together covered a broad range of

    Since we want this new course to be a representative example of the previous twelve, knowing that the previous twelve were a wide range of topics makes it less likely that this new course would be some unprecedented topic. Like if all twelve earlier ones were math, but this new course were Spanish, then we wouldn't feel comfortable applying his performance in math classes to how he might do in Spanish class. But since the twelve classes addressed a broad range, this "mostly B's" performance seems more indicative of his performance as a student in general.

  3. Supports2% picked this

    The student previously studied in the library and continues to

    Any sort of sameness we get strengthens the legitimacy of the comparison. If the student were suddenly switching study habits, then we might not feel good predicting "Past = Present".

  4. Supports4% picked this

    The student received a B in all but one of the

    This strengthens by making the evidence more compelling. "a majority of 12" could be as low as 7. If the student got 7 B's, and 5 D's, we might not feel as comfortable saying "probably get a B". Meanwhile, according to this answer, if the student got 11 B's, and 1 D, we feel a lot better saying "he'll probably get a B".

  5. Supports2% picked this

    The current course is a continuation of one of the twelve courses in which the

    Sameness = strengthening. Since this new course is literally a continuation of a class where he got a B, this makes us feel better at predicting a similar performance.

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