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Suppose you're studying levels of job stress and measures of job efficiency in a nursing home. Your hypothesis is that increasing job stress appears to lead to reduced job efficiency. In that case, job stress is the _______ variable.

Acorrelated
Bempirical
Cdependent
Dindependent

Verified Answer :

The correct answer is letter A.

Job stress is a correlated variable. Job efficiency and job
stress are correlated variables in this study because the existence of each
would result to the other. This is how their relationship works, that when job
stress is increased, job efficiency is decreased, and when job stress is
decreased, job efficiency increases. 

The correct answer is D. Independent