Logical Reasoning
PrepTest 157 Section 2
Find the question you’re working on. Explore the reasoning, understand each answer, and learn from your mistakes.
Choose a question
Explanations for every question, find them by number or text.
- Q1:
One should not do anything that has the potential to produce…Must be True
One should not do anything with potential to produce serious harm to one's society.
- Q2:
The sculptor Barajas died before she could even begin…Weaken
The statue probably looks like what Barajas would have made herself.
- Q3:
Although there are immediate short-term gains in crop yield…Complete the Argument
The financial benefit from use of these pesticides is initially high, but decreases over time. [predicted conclusion]
- Q4:
Economist: Our country needs as much capital as possible…Weaken
We should pass laws that make it more difficult for overseas investors to remove their capital.
- Q5:
Columnist: Many people with access to the Internet express…Identify the Conclusion
Learning about other cultures probably will not satisfy their longing.
- Q6:
Democratic societies in which there is widespread discontent…Principle
People more often blame politicians than they blame powerful figures who are equally or more responsible, because they feel they have more control over the politicians.
- Q7:
The mu mesons generated by cosmic rays just outside …Complete the Argument
Mu mesons moving near the speed of light decay faster than mu mesons nearly at rest.
- Q8:
Buyer: As a buyer for a large chain of department stores…Parallel Reasoning
I will not buy that dress.
- Q9:
Psychologists report that children in nine-month schools…Flawed Reasoning
The twelve-month schedule is preferred for academic learning.
- Q10:
The Industrial Revolution decreased the value that society…Weaken
Our most important intellectual skills will be devalued by electronic data-processing technology.
- Q11:
Wounds become infected because the break in the skin allows…Paradox
Infections slow healing and are caused by bacteria entering through a break in the skin.
- Q12:
Art student: Great works of art evoke passionate responses …Flawed Reasoning
Ezekiel Reilly's art is great.
- Q13:
In northern Europe, archaeologists have discovered…Strengthen
The discovery of 400,000-year-old sharpened wooden poles effectively disproves the widespread belief that the humanlike precursors of *Homo sapiens* were entirely gatherers and scavengers and did not hunt.
- Q14:
Politician: Our public libraries are open only on weekdays…Principle
No new taxes supporting the library system should be approved unless the library hours are changed to better suit taxpayers and their families.
- Q15:
The introduction of mass production techniques in modern…Complete the Argument
The introduction of mass production techniques was not universally beneficial for workers [predicted conclusion].
- Q16:
Child psychologist: Psychologists have found that most children…Sufficient Assumption
Most children should not have pets until they are at least six years old.
- Q17:
The average tax refund received by taxpayers who use …Flawed Parallel Reasoning
If you want a large refund, you should use a tax prep service.
- Q18:
In an experiment, each of 200 randomly selected people…Sufficient Assumption
Gesturing helps speakers find the phrases they want.
- Q19:
Committee chairperson: No new course will be approved…Must be True
A new course will only be approved if a proposal for it has already been received by the Dean or the committee.
- Q20:
The olecranon process is a bony part of the mammalian…Flawed Reasoning
*Megatherium* was probably a predator.
- Q21:
Essayist: Commitment to relationships or careers is commonly…Principle
Commitments should be seen as morally neutral instead of virtuous.
- Q22:
Because of the ubiquity of television in modern households…Sufficient Assumption
Few of today's children will develop a lifelong interest in literature.
- Q23:
Filmmaker: I use hidden cameras when filming documentaries…Principle
The filmmaker's documentaries are more worthwhile than documentaries in which people speak to the camera.
- Q24:
The more profitable a corporation is, the more valuable its …Necessary Assumption
Highly profitable companies can save money by giving employees expensive bonuses.
- Q25:
Columnist: Consent forms filled out by subjects prior to their…Flawed Reasoning
Some medical ethicists' claim that many test subjects resent being given placebos or ineffective medicine is false.
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