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29 Dec 2019, 12:13
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B
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Difficulty:
35%
(medium)
Question Stats:
68% (01:30) correct
32%
(01:39)
wrong
based on 1337
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In developed countries, such as the United States, the percentage of the population diagnosed with clinical depression is much greater than that in developing countries. Researchers hypothesize that this difference is due to the increased leisure time afforded to residents of developed countries.
The hypothesis of the researchers depends on which of the following assumptions?
A. Clinical depression is a genetically transmitted malady.
B. Access to accurate diagnostic procedures for depression is equal for residents of developing and developed countries.
C. Most activities characterized as “leisure time” in developed countries are inherently boring.
D. Certain medications that effectively treat clinical depression are not readily available in developing countries.
E. Few residents of developing countries dedicate any of their time to leisure. ow
29 Dec 2019, 12:15
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Quote:
MANHATTAN PREP OFFICIAL SOLUTION
Assumption– Eliminate alternate models of causality
The passage concludes that increased leisure time in the developed world causes an increase in the percentage of people diagnosed with clinical depression. For this causal conclusion to be valid we must eliminate alternate causes for this disparity.
Note: some questions of this type focus on eliminating reverse causality. That is, if the conclusion is that X causes Y (because X and Y are observed together), then one assumption is that Y does not cause X. Other questions focus on eliminating an outside cause. That is, if the conclusion is X causes Y (because X and Y are observed together), then another assumption is that Z (some outside force) does not cause Y. As it turns out, this question is of the latter type: eliminating an outside cause.
(A) This statement weakens the hypothesis. If clinical depression were genetically transmitted, then the amount of leisure time would have no effect on the percentage of the population diagnosed with clinical depression.
(B) CORRECT. If individuals in the developing and developed worlds do not have equal access to accurate diagnostic procedures, it is possible that either frequent misdiagnoses or a lack of correct diagnoses causes the seeming disparity between the populations. Thus, for the argument to be valid, this assumption must hold true. Put another way, this assumption eliminates the possible outside cause (the difference in diagnostic techniques between the developing and the developed worlds).
(C) Nothing indicates that most leisure activities must be inherently boring. As long as more individuals in the developed world than in the developing world are experiencing boredom, the logic of the passage remains valid.
(D) This choice weakens the researchers’ hypothesis. If fewer effective medications were available in the developing world, the incidence of clinical depression there should be higher than in developed countries.
(E) It is unimportant to determine whether few residents of developing countries dedicate any of their time to leisure. The argument already states that residents of developed countries have "increased' leisure time relative to residents of developing countries, so this assumption is unnecessary.
30 Dec 2019, 02:43
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The right answer is B.
Premise: In developed countries, such as the United States, the percentage of the population diagnosed with clinical depression is much greater than that in developing countries.
Conclusion: Researchers hypothesize that this difference is due to the increased leisure time afforded to residents of developed countries.
We are to determine the answer choice that is an assumption on which the argument above relies upon.
For the argument above to be valid, the author must necessarily assume that the method or mode of clinical diagnosis of patients with depression is the same in both developing and advanced countries. When this is true, then the researchers now have the basis to form the hypothesis as per the conclusion of the argument. If it is not true that the mode of clinical diagnosis of patients with depression is the same in both developed and developing nations, then the argument falls apart, and the Researchers have no basis to form the aforementioned hypothesis.
B states that access to accurate diagnostic procedures for depression is equal for residents of developing and developed countries. This is in line with what is stated above, hence B must be the answer.
Premise: In developed countries, such as the United States, the percentage of the population diagnosed with clinical depression is much greater than that in developing countries.
Conclusion: Researchers hypothesize that this difference is due to the increased leisure time afforded to residents of developed countries.
We are to determine the answer choice that is an assumption on which the argument above relies upon.
For the argument above to be valid, the author must necessarily assume that the method or mode of clinical diagnosis of patients with depression is the same in both developing and advanced countries. When this is true, then the researchers now have the basis to form the hypothesis as per the conclusion of the argument. If it is not true that the mode of clinical diagnosis of patients with depression is the same in both developed and developing nations, then the argument falls apart, and the Researchers have no basis to form the aforementioned hypothesis.
B states that access to accurate diagnostic procedures for depression is equal for residents of developing and developed countries. This is in line with what is stated above, hence B must be the answer.
