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After a new manager joined, the team's monthly output doubled, so the firm credits the manager. Which, if true, most weakens this?
AThe manager has long experience
BThe team welcomed the manager
COutput is measured monthly
DThe team also adopted powerful new software in the same month the manager joined
Answer & Solution
Correct answer: D. The team also adopted powerful new software in the same month the manager joined
A simultaneous software upgrade is an alternative cause for the doubled output, weakening the manager-credit.
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