GMAT Critical Reasoning (CR) | Re: A confidential survey revealed that 75 percent of the

A confidential survey revealed that 75 percent of
the employees of Company P are dissatisfied
with their jobs. However, an investigation into
working conditions at the company showed
nothing uncommonly bad. Therefore, Company
P's consulting firm concluded that the
employees' dissatisfaction must result from an
unusually high incidence of psychological
problems on their part.
Each of the following, if true, casts doubt on the
consulting firm's conclusion EXCEPT:
(A) In the investigation
...

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