color study

[dshweta]

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.
(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.

[nagar]

my pick is B

The productivity incresed because workers get the enough space. Previously, they were working in a room which was meant for 65 people. So the factor responsible for increasing the productivity is adequate space not the study.

[Chendu]

Undoubtedly its B.

[Chendu]

Originally Posted by Chendu

Undoubtedly its B.

thy collection of critical reasoning is very good. can u tell me the source of the collection??

[VIK32]

If yu take B then it gives another tangential explanation that space constraint affected the productivity.

[skarya]

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. - eliminates alternative explanation - strengthen
(B) The drab workroom was designed to provide adequate space for at most 65 workers. - more work space for workers in both workroom - possible alternative reason - weakens
(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. - eliminates alternative explanation - strengthen
(D) Nearly all the workers in both groups had volunteered to move to the brightly colored workroom. - not relevant
(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. - not relevant

B

[skarya]

Originally Posted by nagar

my pick is B

The productivity incresed because workers get the enough space. Previously, they were working in a room which was meant for 65 people. So the factor responsible for increasing the productivity is adequate space not the study.

Nagar,

Please check the red portion the size of the original room is not mentioned in the argument; however, shifting people (irrespective of original size of the workroom) does result in more space per person in that room.

Regards,
skarya

[avikar]

one more B

[dshweta]

Thanks guys. That is the correct answer.

[animesh]

B anyday