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LSAT Explanations › PrepTest 115 › Section 4

Logical Reasoning

PrepTest 115 Section 4

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

26 question explanationsScored section

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

  1. Q1:
    A study comparing infant care revealed that the…Weaken

    Babies should receive less stimulation.

  2. Q2:
    Critics of recent high court decisions claim that judges'…Point at Issue
  3. Q3:
    Tom: Critics of recent high court decisions claim that judges'…Method of Reasoning
  4. Q4:
    Among North American school-age children, there is…Necessary Assumption

    Interactive television will lead to more obesity among North American school-age children.

  5. Q5:
    Lactose, a sugar found in milk, aids in the absorption…Paradox
  6. Q6:
    A politician can neither be reelected nor avoid censure…Must be True
  7. Q7:
    You won't be able to write well abut the rock music…Point at Issue
  8. Q8:
    Jorge: You won't be able to write well abut the rock music…Method of Reasoning
  9. Q9:
    In each of the last ten years, there have been few…Paradox
  10. Q10:
    The wholesale price of one bottle of Veritas Vineyards…Must be True
  11. Q11:
    Letter to the editor: According to your last editor's…Flawed Reasoning

    The opinion that we should carry identity cards is wrong.

  12. Q12:
    The higher a dam, the more exposed it is to forces…Paradox
  13. Q13:
    Nearly every criminal trial includes eyewitness testimony…Strengthen – Exception

    Psychologists believe that misidentification by eyewitnesses is a common cause of mistaken convictions.

  14. Q14:
    The mathematics of the scientific theory known as "complexity"…Principle

    Certain scientists conclude complexity theory is correct.

  15. Q15:
    Ruth: To become a politician, a person should be required…Flawed Reasoning
  16. Q16:
    Cézanne's art inspired the next generation of artists…Most Strongly Supported
  17. Q17:
    Ecologist: Forest fires, the vast majority of which are started…Sufficient Assumption

    Humans should not intervene to stop forest fires

  18. Q18:
    Foster: Many species of extremely large North American mammals…Strengthen
  19. Q19:
    It is obvious that one ought to have a will stating how…Necessary Assumption

    Everyone ought to have a will.

  20. Q20:
    Some people believe that good health is due to luck…Flawed Reasoning

    Good health is largely the result of making informed lifestyle choices.

  21. Q21:
    In a small town, every complaint filed about a plumber's work…Flawed Reasoning

    Moore is an unreliable plumber.

  22. Q22:
    Drama critic: Audiences will enjoy Warner's latest play…Weaken – Exception

    Audiences will enjoy Werner's latest play.

  23. Q23:
    Editorial: Given the law of supply and demand, maximum total…Flawed Reasoning

    A country with a highly controlled economy is not acting in the way that is most likely to bring about maximum total utility.

  24. Q24:
    A park's user fees are employed to maintain the park…Principle

    Raising user fees improves park maintenance even if revenues used for maintenance fall as a result.

  25. Q25:
    Political commentator: Voters tend to elect the candidate whose…Necessary Assumption

    Laws designed to increase the fairness of elections should not allow one candidate to buy significantly more media exposure than other candidates can afford.

  26. Q26:
    Commentator: Because of teacher hiring freezes, the quality…Flawed Parallel Reasoning

    The quality of education will deteriorate.

About this section

Originally Section 4 of PrepTest 39, administered in December 2002.

Question types

Flawed Reasoning5 · 19%
Necessary Assumption3 · 12%
Paradox3 · 12%
Method of Reasoning2 · 8%
Must be True2 · 8%
Point at Issue2 · 8%
Principle2 · 8%
Flawed Parallel Reasoning1 · 4%
Most Strongly Supported1 · 4%
Strengthen1 · 4%
Strengthen – Exception1 · 4%
Sufficient Assumption1 · 4%
Weaken1 · 4%
Weaken – Exception1 · 4%

Based on our explanation classifications. Each of the 26 questions is counted once.

Section 3: Reading Comprehension
All PrepTest 115 explanations

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