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Y has been believed to cause Z. A new report, noting that Y [#permalink]
 17 Aug 2009, 09:21
Question Stats:
28% (01:59) correct
71% (01:26) wrong based on 2 sessions
Y has been believed to cause Z. A new report, noting that Y and Z are often observed to be preceded by X, suggests that X, not Y, may be the cause of Z.
Which of the following further observations would best support the new report’s suggestion?
(A) In cases where X occurs but Y does not, X is usually followed by Z.
(B) In cases where X occurs, followed by Y, Y is usually followed by Z.
(C) In cases where Y occurs but X does not, Y is usually followed by Z.
(D) In cases where Y occurs but Z does not, Y is usually preceded by X.
(E) In cases where Z occurs, it is usually preceded by X and Y.
Do Not Give Ans Without Explanation.
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apramanik wrote: Y has been believed to cause Z. A new report, noting that Y and Z are often observed to be preceded by X, suggests that X, not Y, may be the cause of Z.
Which of the following further observations would best support the new report’s suggestion?
(A) In cases where X occurs but Y does not, X is usually followed by Z.
(B) In cases where X occurs, followed by Y, Y is usually followed by Z.
(C) In cases where Y occurs but X does not, Y is usually followed by Z.
(D) In cases where Y occurs but Z does not, Y is usually preceded by X.
(E) In cases where Z occurs, it is usually preceded by X and Y.
Do Not Give Ans Without Explanation. The answer is A. The news reports claim X as cause for Z , but the belief is Y is the cause to Z. A suggests that X occurs followed by Z and Y doesnt occur at all which clearly supports the argument that X can be the root cause of Z instead of the belief that Y is.
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Answer looks A to me as well A- In cases where X occurs but Y does not, X is usually followed by Z X is occuring and Y is not ,i.e. X-> Z
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A, best supports the hypothesis, because if y doesn't happen but Z is preceded by X, then suggest that X might caused Z instead of Y
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A for me too. agree with the above explanations.. post the OA
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A is the strongest
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A.
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Clearly A
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