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In a study of the effect of color on productivity, 50 of 100 factory workers were moved from their drab workroom to a brightly colored workroom. Both these workers and the 50 who remained in the drab workroom increased their productivity, probably as a result of the interest taken by researchers in the work of both groups during the study.

Which of the following, if true, would cast most doubt upon the author’s interpretation of the study results given above?

(A) The 50 workers moved to the brightly colored room performed precisely the same manufacturing task as the workers who remained in the drab workroom.

(B) The drab workroom was designed to provide adequate space for at most 65 workers.

(C) The 50 workers who moved to the brightly colored workroom were matched as closely as possible in age and level of training to the 50 workers who remained in the drab work-room.

(D) Nearly all the workers in both groups had volunteered to move to the brightly colored workroom.B

(E) Many of the workers who moved to the brightly colored workroom reported that they liked the drab workroom as well as or better than they liked the brightly colored workroom.

不明白为什么选a

题目想问的是什么?

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答案是B吧?

weaken 最后一句probably.. 也就是要证明不是他们对于试验的兴趣使productivity提高

B:他因weaken。因为以前的房间只能容纳65人工作,而他们却有100人,这个原因导致了以前produ低下

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probably as a result of the interest taken by researchers in the work of both groups during the study.

就是这句没太读懂

the author’s interpretation of the study results 到底是怎样的?

b的他因解释我理解了

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你的第一句话probably as a result of the interest taken by researchers

in the work of both groups during the study回答了你的第三句话。

author认为是工人对于这个试验感兴趣,所以提高了prod。

貌似如此

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interest taken by researchers

应该是研究人员的interest呀,不是工人的

所以我一直也搞不懂这句话到底什么意思

虽然不影响做这道题

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