Logical Reasoning
PrepTest 131 Section 3
Find the question you’re working on. Explore the reasoning, understand each answer, and learn from your mistakes.
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Available explanations, find them by number or text.
- Q1:
New technologies that promise to extend life and decrease …Paradox
Life extension and pain reduction research requires capital, but they are unlikely to pay off financially, because scientific research is uncertain.
- Q2:
A university psychology department received a large donation …Weaken
The book was selected only for academic reasons.
- Q3:
Hemoglobin, a substance in human blood, transports oxygen …Most Strongly Supported
Hemoglobin picks up oxygen.
- Q4:
On a short trip a driver is more likely to have an accident …Paradox
On short trips, passengers cause car accidents.
- Q5:
Challenger: The mayor claims that she has vindicated …Flawed Reasoning
- Q6:
A recent magazine editorial criticizes psychologists for …Principle – Parallel
The editorial is unfair.
- Q7:
Although most people know what their bad habits are …Most Strongly Supported
People want to get rid of bad habits.
- Q8:
The more modern archaeologists learn about Mayan civilization …Flawed Reasoning
The Mayan people had a strong knowledge of sophisticated math.
- Q9:
Manager: There is no good reason to suppose that promoting …Identify the Conclusion
There’s no reason to think that employee training programs ought to promote creativity.
- Q10:
Producer: It has been argued that, while the government …Sufficient Assumption
Boycotts of TV shows are censorship.
- Q11:
Predictions that printed books will soon be replaced by …Strengthen
Printed books won’t be replaced by CD-ROM and other electronic formats.
- Q12:
To cut costs, a high school modified its air-conditioning …Necessary Assumption
Lowering humidity can make people sick.
- Q13:
A recent study of 10,000 people who were involved in …Weaken
You’re less likely to be injured if you drive a large car than if you drive a small car.
- Q14:
Economist: A country's trade deficit may indicate weakness …Method of Reasoning
Treating a trade deficit by reducing imports is like treating illness by attacking the measuring device. It doesn’t address the underlying problem.
- Q15:
There are circumstances in which it is not immoral to make …Flawed Parallel Reasoning
It is sometimes fine to threaten someone while asking for a favor or money.
- Q16:
A common genetic mutation that lowers levels of the enzyme …Necessary Assumption
We can eliminate periodontitis once researchers figure out how to restore cathepsin C levels to normal.
- Q17:
A recent study of major motion pictures revealed that …Paradox – Exception
Most movie plots are rehashes of old plots.
- Q18:
Those who claim that governments should not continue to …Principle
It is wrong to say that governments should stop spending money on space exploration.
- Q19:
If understanding a word always involves knowing its …Must be True
IF \[Understanding → knowing dictionary definition\] → THEN \[Understanding → knowing the words in the dictionary definition\]
Some people don’t know the dictionary definitions of the words they say.
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