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LSAT Explanations › PrepTest 156 › Section 4

Logical Reasoning

PrepTest 156 Section 4

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

26 question explanationsScored section

Choose a question

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

  1. Q1:
    Montoya: Many industrial chemical processes that …Weaken
  2. Q2:
    The relationship between money and the things it allows …Complete the Argument
  3. Q3:
    James: The world is increasingly divided between the …Point at Issue
  4. Q4:
    Overcrowding inclines human beings toward aggressive …Strengthen – EXCEPT

    As population grows, aggressive behavior (including war and crime) will increase.

  5. Q5:
    Gahagan's Greenstore sells a large volume of plants …Most Strongly Supported

    The store sells a lot of plants, mostly to landscape contractors
    * He also sells a lot of gardening implements, mostly to home gardeners

  6. Q6:
    Anthropologist: During the last ice age, nomadic communities …Role in Argument

    Ice-age nomads were not primarily big-game hunters.

  7. Q7:
    A truly visual art form – for example, painting – is one …Must Be True
  8. Q8:
    Actors generally learn their lines by focusing on …Strengthen – EXCEPT

    Learning lines through meaning, emotion, action, and context is more effective than rote memorization.

  9. Q9:
    Journalists often claim that their investigation of …Role in Argument

    Journalistic investigation of private lives is detrimental to society.

  10. Q10:
    While the population of city X is approximately one-half …Paradox

    Why are city X residents only half as likely to be patients in hospitals as city Y residents are?

  11. Q11:
    A law is futile unless most of the parties subject to it …Necessary Assumption

    There can be no comprehensive international solution to pollution.

  12. Q12:
    Ecologist: El Niño, a global weather phenomenon that …Weaken

    Average rodent populations in region T will likely increase in coming decades.

  13. Q13:
    If the natural history museum stays within this …Sufficient Assumption

    If the museum meets this year’s budget, it won't stay within budget next year.

  14. Q14:
    Science writer: Scientists often accept a scientific argument …Flawed Reasoning

    Accepting arguments for social reasons is not detrimental to science.

  15. Q15:
    Historian: Scholars writing histories of an era's …Strengthen

    Business histories probably overestimate the successes of past businesses.

  16. Q16:
    Manager: I plan to put together a successful marketing …Flawed Reasoning

    The manager’s plan will succeed.

  17. Q17:
    Different cultures have independently reached the conclusion …Parallel Reasoning

    We should accept a claim as true unless strong contrary evidence appears.

  18. Q18:
    Land developer: In a certain nation, stringent regulations prevent …Flawed Reasoning

    Removing the regulations would likely not harm endangered species.

  19. Q19:
    I promised Bernie that I would answer his question …Sufficient Assumption

    I fulfilled my promise to answer Bernie’s question.

  20. Q20:
    Azalea bushes flourish in acidic soil …Necessary Assumption

    Azalea bushes can be made to flourish in clay soil.

  21. Q21:
    Company policy: Eligible employees will be granted up to …Principle – Application
  22. Q22:
    An effective acting performance does not call the audience's …Sufficient Assumption

    An effective acting performance does not call attention to itself.

  23. Q23:
    The computer software industry is rapidly growing …Flawed Reasoning

    If Logichut has no creative employees, then its management must be open to new ideas.

  24. Q24:
    A movie studio's script readers discard all proposed scripts …Flawed Parallel Reasoning

    A script submitted by an agent and formatted correctly will not be discarded.

  25. Q25:
    Translator: Dr. Abner, apparently scornful of my translation …Flawed Reasoning

    Dr. Abner’s criticism is unjustified.

  26. Q26:
    Letter to the editor: In calling on antinuclear activists to …Principle – Justify

    Advocates of nuclear power are being dishonest.

About this section

Originally Section 4 of PrepTest 94, administered in July 2020.

Question types

Flawed Reasoning5 · 19%
Sufficient Assumption3 · 12%
Necessary Assumption2 · 8%
Role in Argument2 · 8%
Strengthen – EXCEPT2 · 8%
Weaken2 · 8%
Complete the Argument1 · 4%
Flawed Parallel Reasoning1 · 4%
Most Strongly Supported1 · 4%
Must Be True1 · 4%
Paradox1 · 4%
Parallel Reasoning1 · 4%
Point at Issue1 · 4%
Principle – Application1 · 4%
Principle – Justify1 · 4%
Strengthen1 · 4%

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

Section 3: Reading Comprehension
All PrepTest 156 explanations

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