Multiple Choice
Participants reported at 6:00 AM to the research lab for extra credit participation in a research study. Participants stayed in the research lab until 10:00 PM with only two 15-minute breaks. The researchers should be most concerned with:
A) maturation.
B) instrumentation.
C) practice effects.
D) fatigue effects.
Correct Answer:

Verified
Correct Answer:
Verified
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