Multiple Choice
A researcher is conducting an experiment to test the effect of feedback on job performance. The researcher can exercise control over extraneous variables, such as intelligence, by:
A) using participants with the same level of intelligence.
B) using participants with the same level of job performance.
C) giving all participants the same type of feedback.
D) randomly assigning participants to feedback conditions.
Correct Answer:
Verified
Correct Answer:
Verified
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