A researcher is testing the effectiveness of a new boat paddle by holding a race between two teams. When the control team realizes that it received traditional paddles instead of the new paddles that the experimental team received, the control team members feel as though they have no chance of winning and put forth little effect in the race. This is an example of ______.
A) external events
B) endogenous change
C) demoralization
D) compensatory rivalry
Correct Answer:
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B)
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