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06 Feb 2026, 13:04
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Difficulty:
75%
(hard)
Question Stats:
53% (01:58) correct
47%
(01:45)
wrong
based on 58
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A few decades ago, it was popular to link dramatic increases in urban antisocial behavior with high population density, and to support this with studies of laboratory rats, which exhibit randomly violent behavior under conditions of extreme overcrowding. It has since become obvious that the analogy between rats and humans is simplistic at best and leaves out considerations like human adaptability and cultural factors, which are of key importance in determining human behavior.
Which of the following, if true, best supports the conclusion the author presents in the passage above?
A. Testing new products on laboratory rats has sometimes led to unnecessary alarm about their adverse effects on human health.
B. Rats thrive in the crowded conditions of human urban society.
C. Rats also exhibit unnatural behavior in conditions of extreme isolation.
D. Although rat behavior does change in crowded conditions, what results is not random violence but a new, radically different social order.
E. In some extremely crowded cities there is relatively little antisocial behavior, whereas some rural communities have very high rates of such behavior.
(Source=TCYOnline)
Which of the following, if true, best supports the conclusion the author presents in the passage above?
A. Testing new products on laboratory rats has sometimes led to unnecessary alarm about their adverse effects on human health.
B. Rats thrive in the crowded conditions of human urban society.
C. Rats also exhibit unnatural behavior in conditions of extreme isolation.
D. Although rat behavior does change in crowded conditions, what results is not random violence but a new, radically different social order.
E. In some extremely crowded cities there is relatively little antisocial behavior, whereas some rural communities have very high rates of such behavior.
(Source=TCYOnline)
06 Feb 2026, 13:20
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A few decades ago, it was popular to link dramatic increases in urban antisocial behavior with high population density, and to support this with studies of laboratory rats, which exhibit randomly violent behavior under conditions of extreme overcrowding. It has since become obvious that the analogy between rats and humans is simplistic at best and leaves out considerations like human adaptability and cultural factors, which are of key importance in determining human behavior.
Which of the following, if true, best supports the conclusion the author presents in the passage above?
People used to claim that high urban population density causes more antisocial behavior, partly based on overcrowded-rat studies. The author’s conclusion is that this rats to humans analogy is too simplistic and ignores factors like human adaptability and culture that strongly shape human behavior.
A. Testing new products on laboratory rats has sometimes led to unnecessary alarm about their adverse effects on human health.
This supports the general idea that rat studies can mislead about humans, but it is about health effects, not antisocial behavior, so it is not a tight match.
B. Rats thrive in the crowded conditions of human urban society.
This is unclear and not clearly connected to the conclusion about why rat behavior is a poor model for human antisocial behavior.
C. Rats also exhibit unnatural behavior in conditions of extreme isolation.
This shows rats can behave oddly in another extreme condition, but it does not directly support the author’s point that the rats to humans analogy leaves out key human factors.
D. Although rat behavior does change in crowded conditions, what results is not random violence but a new, radically different social order.
This helps by showing the rat evidence was misdescribed (not random violence), but it still stays within rat behavior and does not directly validate the author’s claim about what drives human antisocial behavior.
E. In some extremely crowded cities there is relatively little antisocial behavior, whereas some rural communities have very high rates of such behavior.
This directly supports the author’s conclusion: if population density were the key driver, extremely crowded cities should consistently have more antisocial behavior than rural areas, but this statement says the opposite can happen, so other factors must be important.
Answer: (E)
Which of the following, if true, best supports the conclusion the author presents in the passage above?
People used to claim that high urban population density causes more antisocial behavior, partly based on overcrowded-rat studies. The author’s conclusion is that this rats to humans analogy is too simplistic and ignores factors like human adaptability and culture that strongly shape human behavior.
A. Testing new products on laboratory rats has sometimes led to unnecessary alarm about their adverse effects on human health.
This supports the general idea that rat studies can mislead about humans, but it is about health effects, not antisocial behavior, so it is not a tight match.
B. Rats thrive in the crowded conditions of human urban society.
This is unclear and not clearly connected to the conclusion about why rat behavior is a poor model for human antisocial behavior.
C. Rats also exhibit unnatural behavior in conditions of extreme isolation.
This shows rats can behave oddly in another extreme condition, but it does not directly support the author’s point that the rats to humans analogy leaves out key human factors.
D. Although rat behavior does change in crowded conditions, what results is not random violence but a new, radically different social order.
This helps by showing the rat evidence was misdescribed (not random violence), but it still stays within rat behavior and does not directly validate the author’s claim about what drives human antisocial behavior.
E. In some extremely crowded cities there is relatively little antisocial behavior, whereas some rural communities have very high rates of such behavior.
This directly supports the author’s conclusion: if population density were the key driver, extremely crowded cities should consistently have more antisocial behavior than rural areas, but this statement says the opposite can happen, so other factors must be important.
Answer: (E)
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