Multiple Choice
A researcher wants to know if a new sports drink improves physical performance.Participants are first measured on the number of sit-ups they can complete in one minute.The participants are then given eight ounces of the new sports drink,and then the number of sit-ups completed in one minute is again measured.The researcher finds that the number of sit-ups completed is less after versus before consuming the new sports drink.This finding is likely a result of a _____ effect.
A) reactive
B) practice
C) fatigue
D) contrast
Correct Answer:

Verified
Correct Answer:
Verified
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