Logical Reasoning
PrepTest 150 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:
Philosopher: I have been told that most university students…Flawed Reasoning
It's false that university students have no interest in philosophy.
- Q2:
Ancient humans in eastern North America hunted mammoths until…Necessary Assumption
The human settlement in eastern North America existed at the time that mammoths lived in the same area.
- Q3:
Durham: The mayor will agree to a tax increase because…Point at Issue
- Q4:
When politicians describe their opponents' positions, they typically…Flawed Reasoning
Politicians could persuade more voters if they were charitable in describing their opponents arguments.
- Q5:
Lawyer: In a risky surgical procedure that is performed only…Principle – Justify
If the patient dies, the doctors will have committed manslaughter.
- Q6:
John's literature professor believes that the ability to judge…Must be True
Judge greatness of literary works ➞ years of specialized training
2. - Q7:
Geothermal power plants produce power using heat from underground…Strengthen
Geothermal advocates say that affordable geothermal energy will soon be available in most places.
- Q8:
One should not confuse a desire for money with a desire…Role in Argument
You shouldn't mix up the desire for money and for material possessions.
- Q9:
Yu: The menu at Jason's Restaurant states that no food…Weaken
Jason's Restaurant must have at least some food grown with chemical pesticides.
- Q10:
Various studies have concluded that song overlapping, the phenomenon…Complete the Argument
It's hard to tell what the experiments mean.
- Q11:
Psychologists have found that candidates for top political offices…Weaken
If blinking judging affects elections, the effect must be bad.
- Q12:
Scientist: Some pundits claim that the public is afraid…Necessary Assumption
It's not true that the public is afraid of scientists.
- Q13:
Scientist: It seems likely that the earliest dinosaurs to fly…Strengthen
Early dinosaurs probably learned to fly by gliding from trees, rather than taking off from the ground.
- Q14:
The arousal of anger is sometimes a legitimate artistic aim…Sufficient Assumption
It is false to think that all legitimate art has a concern for beauty.
- Q15:
Children clearly have a reasonably sophisticated understanding…Identify the Conclusion
Children are fairly sophisticated at understanding what's real and what's make-believe.
- Q16:
Environment minister: Many countries have signed an international…Principle – Justify
Our country shouldn't sign the agreement to reduce ocean pollution.
- Q17:
Advocate: A study of people who had recently recovered from colds…Flawed Reasoning
Cold medicine makes your cold last longer.
- Q18:
Some people prefer to avoid facing unpleasant truths…Complete the Argument
Then group 2 will be annoyed that group 1 isn't telling them the truth.
- Q19:
If you study history, then you will appreciate the vast…Flawed Parallel Reasoning
Study history ➞ reflect on your civilization
- Q20:
A philosophical paradox is a particularly baffling sort…Must be True
With a paradox, your intuitions tell you:
1.
- Q21:
A chimp who displays feelings of affection toward the…Necessary Assumption
Affect is similar in humans as in chimps.
- Q22:
The writers of the television show Ambitions could make…Parallel Reasoning
The characters will not be developed in a more realistic manner.
- Q23:
It has been argued that the immense size of Tyrannosaurus rex…Role in Argument
The inference that the *T. rex* must have been a scavenger is too hasty.
- Q24:
Legal theorist: Only two types of theories of criminal sentencing…Must be True
There are 2 acceptable types of theories of criminal sentencing: retributivist (sentence only for punishment) and rehabilitationist (sentences can reform).
- Q25:
Sociologists study folktales because they provide a means…Paradox
Folktales apparently give insight into a culture, but they're all adaptations of the same ancient narratives.
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