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LSAT Explanations › PrepTest 118 › Section 4

Logical Reasoning

PrepTest 118 Section 4

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

25 question explanationsScored section

Choose a question

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

  1. Q1:
    Mayor McKinney's policies have often been criticized …Identify the Conclusion

    The criticism that McKinney's policies only benefit the wealthy is unfair.

  2. Q2:
    A factory spokesperson argued that the factory …Parallel Reasoning

    The factory shouldn't need to clean up the polluted wetlands.

  3. Q3:
    Nylon industry spokesperson: Even though cotton …Principle – Justify

    Nylon is natural.

  4. Q4:
    Computer manufacturers and retailers tell us that …Weaken

    The complexity of connecting computer components *is* a big obstacle to use.

  5. Q5:
    Rats fed high doses of the artificial sweetener saccharin …Paradox

    Rats that are fed saccharin develop bladder cancer.

  6. Q6:
    Although we could replace the beautiful – but dilapidated …Necessary Assumption

    We should build the more expensive cable bridge rather than the cheaper concrete skyway.

  7. Q7:
    A typical gasoline-powered lawn mower emits …Strengthen

    People can help reduce air pollution by choosing electric lawn mowers over gas ones.

  8. Q8:
    Ariel: Government art subsidies never benefit art …Point At Issue
  9. Q9:
    Public health expert: Until recently people believed that …Identify the Conclusion

    Public health policy should focus more on educating people about disease transmission to reduce disease.

  10. Q10:
    The enthusiastic acceptance of ascetic lifestyles …Flawed Reasoning

    Medieval societies cared less about money than modern Western cultures do.

  11. Q11:
    Between 1976 and 1985, chemical wastes were dumped into …Evaluate the Argument – EXCEPT

    The chemicals caused the fin deformity in the bluefin cod.

  12. Q12:
    Columnist: If you received an unsigned letter …Method of Reasoning

    It makes sense to be skeptical of anonymous sources in news stories.

  13. Q13:
    Art theft from museums is on the rise …Necessary Assumption

    Museums should devote more resources to securing their most valuable art.

  14. Q14:
    Insufficient rain can cause crops to falter …Flawed Reasoning

    The weather was an important cause of the crisis.

  15. Q15:
    The cost of a semester's tuition at a certain university …Paradox – EXCEPT

    Students' semester tuition is based on how many courses they take.

  16. Q16:
    People are not happy unless they feel that they are …Most Strongly Supported

    People aren't happy unless they feel needed by others.

  17. Q17:
    Art critic: Criticism focuses on two issues …Flawed Reasoning

    Judgments about the quality of art are only a matter of taste.

  18. Q18:
    Decentralization enables divisions of a large institution …Most Strongly Supported

    Decentralization:

    * always permits more realistic planning
    * strongly encourages innovation
    * lets central admin focus on institution-wide issues

  19. Q19:
    According to some astronomers, Earth is struck by …Flawed Reasoning

    We should fund research into finding a way to protect Earth from catastrophic meteorite strikes.

  20. Q20:
    Polling data reveal that an overwhelming majority of nine-year-olds …Flawed Parallel Reasoning

    There's little to no link between recognizing cigarette brand logos and smoking.

  21. Q21:
    Etiquette firmly opposes both obscene and malicious talk …Principle – Application
  22. Q22:
    The only preexisting recordings that are transferred onto …Sufficient Assumption

    Most classic jazz recordings won't be transferred onto CD.

  23. Q23:
    Agricultural economist: Over the past several years …Role in Argument

    A big global grain shortage is likely.

  24. Q24:
    Bardis: Extensive research shows that television advertisements …Flawed Reasoning

    Violent TV doesn't cause violence.

  25. Q25:
    Sarah: Our regulations for staff review are vague …Principle – Justify

    Some staff may be dismissed just because they have different views than the supervisors.

About this section

Originally Section 4 of PrepTest 45, administered in December 2004.

Question types

Flawed Reasoning5 · 20%
Identify the Conclusion2 · 8%
Most Strongly Supported2 · 8%
Necessary Assumption2 · 8%
Principle – Justify2 · 8%
Evaluate the Argument – EXCEPT1 · 4%
Flawed Parallel Reasoning1 · 4%
Method of Reasoning1 · 4%
Paradox1 · 4%
Paradox – EXCEPT1 · 4%
Parallel Reasoning1 · 4%
Point At Issue1 · 4%
Principle – Application1 · 4%
Role in Argument1 · 4%
Strengthen1 · 4%
Sufficient Assumption1 · 4%
Weaken1 · 4%

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

Section 3: Logical Reasoning
All PrepTest 118 explanations

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