In a case study, two groups were told to run five miles and report when they reached a point of exhaustion. Group A just ran five miles. Group B had to complete two hours of math problems before running five miles. Based on previous case studies like this one, what was MOST likely the result of this experiment?
Answer
A
Group B reported physical exhaustion sooner than Group A.
B
Both groups reported feeling physically exhausted at the same time.
C
Group A reported physical exhaustion sooner than Group B.
D
Neither group had participants reach a level of exhaustion.
Explanation
Mental work can use up self-control and make people feel more fatigued during a later physical task. Since Group B spent two hours solving math problems before running, its members would be more likely to report exhaustion sooner than Group A, which ran without that prior mental effort. The most likely result is that Group B reported physical exhaustion sooner.
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