Logical Reasoning
PrepTest 159 Section 1
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:
Columnist: The dangers of drinking are greatly exaggerated …Flawed Reasoning
The dangers of drinking alcohol for someone's lifespan are very exaggerated.
- Q2:
Some have argued that using food crops to produce …Method of Reasoning
It is not unusual to divert crops from the food supply.
- Q3:
Hernandez: Celebrities' public pronouncements can warp …Point at Issue
- Q4:
A process of extracting caffeine from coffee without …Paradox
They tried to extract caffeine from coffee without compromising the taste.
- Q5:
Researchers gave each of eighteen subjects a playing …Weaken
fMRI will eventually let us detect lies.
- Q6:
Prominent government officials have denied that …Necessary Assumption
Government policies have produced serious environmental degradation.
- Q7:
Critic: It generally holds true of concert pianists that …Strengthen
It is in fact true that more famous concert pianists give audiences more pleasure.
- Q8:
Scientists found the remains of several pieces of mites …Complete the Argument
The area around the cave was probably cooler 2,000 years ago.
- Q9:
Market studies confirm that consumers shopping for automobiles …Paradox
Studies show that car buyers mainly look for the most reliable cars, but some of the most reliable models don't sell well among consumers who say they are looking for reliability.
- Q10:
A recent study found that most individuals believe that …Complete the Argument
At least some people are wrong about how much they sleep. (Implied conclusion)
- Q11:
Ross: Many governments have attempted to regulate …Weaken
The government can control theater and satisfy the public by making dramatists honored government employees.
- Q12:
Many hikers now carry cell phones so they can call for …Most Strongly Supported
Many hikers have cell phones.
- Q13:
A cognitive psychologist has claimed that intelligence …Method of Reasoning
The psychologist doesn't have a good definition of intelligence.
- Q14:
Environmentalist: The adoption of genetically engineered crops …Principle – Justify
New genetically engineered crops should be thoroughly tested for safety before we use them.
- Q15:
Faculty member: The university's financially minded president …Flawed Reasoning
The president is wrong. Academic programs should **not** follow demand.
- Q16:
A recent study carefully tracked the specific behaviors of …Strengthen
Chimpanzee behavioral differences are likely caused by culture, not genetics.
- Q17:
Essayist: It would be wrong to defend current testing procedures …Necessary Assumption
It is wrong to defend current testing procedures only because subjects volunteered + were informed/paid.
- Q18:
Putting a tap in a healthy maple that has a trunk 12 or more inches …Must Be True
Tapping does not harm a healthy maple if the trunk is 12+ inches in diameter.
- Q19:
Company spokesperson: Although our products are the most expensive …Flawed Reasoning
Our products are the best available.
- Q20:
It should be illegal to patent an organism's genes …Principle – Justify
It should be illegal to patent an organism’s genes.
- Q21:
Professor O'Brien: Any of my students who heard Mercado's …Flawed Reasoning
Some of my students heard the lecture from the beginning.
- Q22:
Some moral virtues, such as honesty, tend to benefit …Must Be True
Some virtues, like honesty, benefit those who have them.
- Q23:
During last year's flu season no one who was vaccinated …Parallel Reasoning
No student at SHS will get the flu this season.
- Q24:
Advertising agencies are often wrongly criticized for …Complete the Argument
Ad agencies don't create desires, but merely use existing desire to get people to buy products. (Implied conclusion)
- Q25:
Artist: I have never won a prize at the Art Competition …Flawed Parallel Reasoning
Winning the competition means you're a bad artist.
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