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LSAT Explanations › PrepTest 150 › Section 2

Logical Reasoning

PrepTest 150 Section 2

Find the question you’re working on. Explore the reasoning, understand each answer, and learn from your mistakes.

25 question explanationsScored section

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Explanations for every question, find them by number or text.

  1. Q1:
    Philosopher: I have been told that most university students…Flawed Reasoning

    It's false that university students have no interest in philosophy.

  2. Q2:
    Ancient humans in eastern North America hunted mammoths until…Necessary Assumption

    The human settlement in eastern North America existed at the time that mammoths lived in the same area.

  3. Q3:
    Durham: The mayor will agree to a tax increase because…Point at Issue
  4. Q4:
    When politicians describe their opponents' positions, they typically…Flawed Reasoning

    Politicians could persuade more voters if they were charitable in describing their opponents arguments.

  5. Q5:
    Lawyer: In a risky surgical procedure that is performed only…Principle – Justify

    If the patient dies, the doctors will have committed manslaughter.

  6. Q6:
    John's literature professor believes that the ability to judge…Must be True

    Judge greatness of literary works ➞ years of specialized training
    2.

  7. Q7:
    Geothermal power plants produce power using heat from underground…Strengthen

    Geothermal advocates say that affordable geothermal energy will soon be available in most places.

  8. Q8:
    One should not confuse a desire for money with a desire…Role in Argument

    You shouldn't mix up the desire for money and for material possessions.

  9. Q9:
    Yu: The menu at Jason's Restaurant states that no food…Weaken

    Jason's Restaurant must have at least some food grown with chemical pesticides.

  10. Q10:
    Various studies have concluded that song overlapping, the phenomenon…Complete the Argument

    It's hard to tell what the experiments mean.

  11. Q11:
    Psychologists have found that candidates for top political offices…Weaken

    If blinking judging affects elections, the effect must be bad.

  12. Q12:
    Scientist: Some pundits claim that the public is afraid…Necessary Assumption

    It's not true that the public is afraid of scientists.

  13. Q13:
    Scientist: It seems likely that the earliest dinosaurs to fly…Strengthen

    Early dinosaurs probably learned to fly by gliding from trees, rather than taking off from the ground.

  14. Q14:
    The arousal of anger is sometimes a legitimate artistic aim…Sufficient Assumption

    It is false to think that all legitimate art has a concern for beauty.

  15. Q15:
    Children clearly have a reasonably sophisticated understanding…Identify the Conclusion

    Children are fairly sophisticated at understanding what's real and what's make-believe.

  16. Q16:
    Environment minister: Many countries have signed an international…Principle – Justify

    Our country shouldn't sign the agreement to reduce ocean pollution.

  17. Q17:
    Advocate: A study of people who had recently recovered from colds…Flawed Reasoning

    Cold medicine makes your cold last longer.

  18. Q18:
    Some people prefer to avoid facing unpleasant truths…Complete the Argument

    Then group 2 will be annoyed that group 1 isn't telling them the truth.

  19. Q19:
    If you study history, then you will appreciate the vast…Flawed Parallel Reasoning

    Study history ➞ reflect on your civilization

  20. Q20:
    A philosophical paradox is a particularly baffling sort…Must be True

    With a paradox, your intuitions tell you:

    1.

  21. Q21:
    A chimp who displays feelings of affection toward the…Necessary Assumption

    Affect is similar in humans as in chimps.

  22. Q22:
    The writers of the television show Ambitions could make…Parallel Reasoning

    The characters will not be developed in a more realistic manner.

  23. Q23:
    It has been argued that the immense size of Tyrannosaurus rex…Role in Argument

    The inference that the *T. rex* must have been a scavenger is too hasty.

  24. Q24:
    Legal theorist: Only two types of theories of criminal sentencing…Must be True

    There are 2 acceptable types of theories of criminal sentencing: retributivist (sentence only for punishment) and rehabilitationist (sentences can reform).

  25. Q25:
    Sociologists study folktales because they provide a means…Paradox

    Folktales apparently give insight into a culture, but they're all adaptations of the same ancient narratives.

About this section

Originally Section 2 of PrepTest 84, administered in June 2018.

Question types

Flawed Reasoning3 · 12%
Must be True3 · 12%
Necessary Assumption3 · 12%
Complete the Argument2 · 8%
Principle – Justify2 · 8%
Role in Argument2 · 8%
Strengthen2 · 8%
Weaken2 · 8%
Flawed Parallel Reasoning1 · 4%
Identify the Conclusion1 · 4%
Paradox1 · 4%
Parallel Reasoning1 · 4%
Point at Issue1 · 4%
Sufficient Assumption1 · 4%

Based on our explanation classifications. Each of the 25 questions is counted once.

Section 1: Reading Comprehension
Section 3: Logical Reasoning
All PrepTest 150 explanations

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