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LSAT Explanations › PrepTest 153 › Section 3

Logical Reasoning

PrepTest 153 Section 3

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:
    Minh: This film director's newest works are very predictable…Point of Agreement
  2. Q2:
    Campaign manager: In campaign speeches, our candidate has…Principle

    It is justifiable to omit the bad effects of endorsed policies if you are trying to enact a positive agenda.

  3. Q3:
    Columnist: Although it is our civic duty to protect the…Sufficient Assumption

    We should not divert high-tension power lines away from heavily populated areas.

  4. Q4:
    The coat patterns of large cat species correspond to the…Paradox

    **Paradox:** Large cats with spotted coats typically live in trees and forests, while those with plain coats live in open plains. But the cheetah, a spotted cat, lives in the plains.

  5. Q5:
    As the current information explosion forces the print media…Identify the Conclusion

    We are increasingly bombarded with inaccurate and trivial information.

  6. Q6:
    The best way to increase the blood supply in the city of Pulaski…Weaken

    Encouraging regular blood donors to donate more often is the best way of increasing Pulaski's blood supply.

  7. Q7:
    Advertisement: Honey Oat Puffs cereal is made with whole-grain…Flawed Reasoning

    People would have more healthful diets if they ate Honey Oat Puffs for breakfast.

  8. Q8:
    Astronomer: Conditions in our solar system have probably…Role in Argument

    The conditions of our solar system favor the emergence of life more than other systems of similar age.

  9. Q9:
    Political organizer: Our group needs to assemble at least…Identify the Conclusion

    Our group needs to assemble at least 30 volunteers for Marcia Garson to have a chance of winning the election

  10. Q10:
    Giant ground sloths began disappearing from the Americas…Paradox

    The arrival of human beings shortly before the end of an ice age caused the extinction of giant ground sloths.

  11. Q11:
    Studies have shown that those who take daily doses of vitamin C…Flawed Parallel Reasoning

    People who contract colds are likely not taking daily doses of vitamin C.

  12. Q12:
    The Discourses, a work attributed to the ancient Stoic…Strengthen

    It is unlikely that Arrian wrote *The Discourses* under Epictetus' name.

  13. Q13:
    A study tested the performance of 70 pilots, half of whom…Explanation – Exception?

    Dieting causes worse performance in pilots.

  14. Q14:
    Guam has 40 times more spiders than nearby islands…Strengthen

    The introduction of the brown tree snake caused Guam to have 40 times more spiders than nearby islands.

  15. Q15:
    If the glee club pays cash today to rent the equipment…Necessary Assumption

    The glee club party committee cares little about saving money.

  16. Q16:
    If a novelist is popular he or she can vividly imagine…Could be True – Exception

    Popular novelists can vividly imagine many characters with different personality and attitudes from their own.

  17. Q17:
    After monitoring blood levels of lycopene (a nutrient found…Weakening

    Lycopene reduces the risk of stroke.

  18. Q18:
    In order to cut costs and thereby maximize his profit, Mr. Kapp…Sufficient Assumption

    It was wrong for Mr. Kapp to use inferior materials in constructing the library to cut costs.

  19. Q19:
    Most movie critics believe that sentimentality detracts from…Flawed Reasoning

    Critics are wrong to believe sentimentality detracts from aesthetic value.

  20. Q20:
    Business owner: Although allowing coal mining in our region…Role in Argument

    Coal mining will cause an overall decrease in jobs in the region.

  21. Q21:
    Columnist: Obviously, money helps one satisfy one's desires…Strengthen

    People become less happy as they become wealthier.

  22. Q22:
    Laurie: In a democracy, public art should bring people together…Point at Issue
  23. Q23:
    Environmental ethicist: Since whooping cranes, unlike sandhill…Principle

    We have a greater duty to protect the life of any individual whooping crane than the life of any individual sandhill crane.

  24. Q24:
    All of the one-way streets in the city have dedicated…Must be True

    One-way streets (OWS) ➞ Bike lanes (BL)

    BL ➞ No City buses (~~CB~~)

    Parking (P) ➞ No bike lane (~~BL~~)

    City Bus number 9 (CB9) ➞ Batcheldor Avenue (BA)

  25. Q25:
    Ecological terms like "invasive species" invoke human cultural…Principle

    Ecological terms like "invasive species" invoke human cultural standards to the natural world.

  26. Q26:
    Employee: Vernon's behavior in last month's incident was…Flawed Reasoning

    To be consistent, the company must give Vernon his job back.

About this section

Originally Section 3 of PrepTest 87, administered in June 2019.

Question types

Flawed Reasoning3 · 12%
Principle3 · 12%
Strengthen3 · 12%
Identify the Conclusion2 · 8%
Role in Argument2 · 8%
Sufficient Assumption2 · 8%
Could be True – Exception1 · 4%
Explanation – Exception?1 · 4%
Flawed Parallel Reasoning1 · 4%
Must be True1 · 4%
Necessary Assumption1 · 4%
Paradox1 · 4%
Paradox

**Paradox:** Large cats with spotted coats typically live in trees and forests, while those with plain coats live in open plains. But the cheetah, a spotted cat, lives in the plains.1 · 4%

Point at Issue1 · 4%
Point of Agreement1 · 4%
Weaken1 · 4%
Weakening1 · 4%

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

Section 2: Logical Reasoning
Section 4: Reading Comprehension
All PrepTest 153 explanations

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