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LSAT Explanations › PrepTest 118 › Section 1

Logical Reasoning

PrepTest 118 Section 1

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:
    The obsession of economists with consumption …Identify the Conclusion

    Economic well-being cannot be properly understood if it is measured solely by consumption.

  2. Q2:
    Commentator: Many people argue that the release …Weaken

    There's no reason to think CFCs harm humans by damaging the ozone layer and increasing UV radiation.

  3. Q3:
    A reason Larson cannot do the assignment is that she …Necessary Assumption

    The task must be assigned to Parker.

  4. Q4:
    Columnist: Analysts argue that as baby boomers reach …Method of Reasoning

    The analysts are overly optimistic; boomers' money is more likely to flow into investments other than stocks.

  5. Q5:
    Item removed from scoring. …Removed from Scoring
  6. Q6:
    Maria: Popular music is bad art because it greatly …Point At Issue
  7. Q7:
    An artificial hormone has recently been developed that …Method of Reasoning

    Milk labels shouldn't be required to provide info about the artificial substances they use.

  8. Q8:
    Trust, which cannot be sustained in the absence of …Must Be True

    Trust requires mutual respect.

  9. Q9:
    The use of phrases like "as so-and-so said" or …Principle – Application
  10. Q10:
    Rachel: Though contemporary artists are pleased to …Point At Issue
  11. Q11:
    The average cost of groceries will rise again next month …Flawed Parallel Reasoning

    Butter and eggs will cost more next month.

  12. Q12:
    Biologists have noted reproductive abnormalities in fish …Weaken

    Dioxin is probably not the cause of the abnormalities.

  13. Q13:
    If the play were successful, it would be adapted …Flawed Reasoning

    The play will not become a movie or be revived at the festival.

  14. Q14:
    Physician: In order to investigate diseases caused by …Strengthen

    The proposed HGH study should be prohibited.

  15. Q15:
    At the request of Grove Park residents, speed bumps were …Flawed Reasoning

    Installing the speed bumps in Grove Park is unfair.

  16. Q16:
    Literary critic: Often the heirs of a successful writer …Weaken

    Successful writers who decide not to publish a recently completed manuscript should destroy it ASAP.

  17. Q17:
    In practice the government will have the last word …Identify the Conclusion

    What the government says an individual's rights are may not be correct.

  18. Q18:
    There is evidence to suggest that our cave-dwelling ancestors …Weaken

    Early humans had a sense for aesthetics.

  19. Q19:
    Columnist: Much of North America and western Europe …Strengthen

    Being too strict about limiting natural resource use could reduce the wealth needed to keep environmental protections going.

  20. Q20:
    Reviewer: Many historians claim, in their own treatment …Flawed Reasoning

    We shouldn't accept historians' claims that they're objective.

  21. Q21:
    Although the geological record contains some hints …Sufficient Assumption

    There's no consistent causal link between big meteor impacts and mass extinctions.

  22. Q22:
    When uncontrollable factors such as lack of rain …Must Be True

    When uncontrollable factors (e.g. drought) cause wheat crops to fail:

    * Fertilizer and seed dealers lose business
    * Truckers and mechanics lose business
    * Fuel suppliers are unable to sell enough fuel to make a profit

  23. Q23:
    For each action we perform, we can only know some of its …Sufficient Assumption

    If moral rightness depends on the best consequences of your actions, we could never know what's morally right.

  24. Q24:
    In criminal proceedings, defense attorneys occasionally …Flawed Reasoning

    It's a mistake to exonerate a suspect just because their DNA doesn't match the DNA found on the crime scene.

  25. Q25:
    Some visitors to the park engage in practices that …Parallel Reasoning

    Some visitors don't know the practices harm the animals.

  26. Q26:
    Rapid population growth can be disastrous for a small …Strengthen

    Rapid population growth can be disastrous for a small city.

About this section

Originally Section 1 of PrepTest 45, administered in December 2004.

Question types

Flawed Reasoning4 · 15%
Weaken4 · 15%
Strengthen3 · 12%
Identify the Conclusion2 · 8%
Method of Reasoning2 · 8%
Must Be True2 · 8%
Point At Issue2 · 8%
Sufficient Assumption2 · 8%
Flawed Parallel Reasoning1 · 4%
Necessary Assumption1 · 4%
Parallel Reasoning1 · 4%
Principle – Application1 · 4%
Removed from Scoring1 · 4%

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

Section 2: Reading Comprehension
All PrepTest 118 explanations

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