Logical ReasoningDifficulty: Easy

PT112 S1 Q15 Explanation

In one study, engineering students

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

TopicsPrinciple-Strengthen

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Stimulus

In one study, engineering students who prepared for an exam by using toothpicks and string did no worse than similar students who prepared by using an expensive computer with sophisticated graphics. In another study, military personnel who trained on a costly high-tech simulator performed no better on a practical exam than did So one should not always purchase technologically advanced educational tools.

What this question is testing

Principle-Strengthen

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

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

The question
15.

Which one of the following principles, if valid, most helps to justify

Answer choices

  1. Trap0% picked this

    One should use different educational tools to teach engineering to civilians than are used to

  2. Trap2% picked this

    High-tech solutions to modern problems are ineffective unless implemented by

  3. Trap4% picked this

    Spending large sums of money on educational tools is at least as justified for nonmilitary training as it

  4. Correct88% picked this

    One should not invest in expensive teaching aids unless there are no other tools that are less expensive

    Why this is right

    Answer D is correct.

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

  5. Trap4% picked this

    One should always provide students with a variety of educational materials so that each student can find the materials that best

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