It Is the End of the Quarter, and David Has

Multiple Choice

It is the end of the quarter, and David has just stayed up all night to study for an exam. Research would suggest that which of the following would be most likely to occur? David's _______________.

A) mood should suffer most but he should also show some impairment in cognitive and physical performance
B) cognitive abilities should suffer most but he should also show impairment in mood and physical performance
C) physical abilities should suffer most but he should also show impairment in mood and cognitive performance
D) cognitive abilities should suffer but his mood and physical abilities should remain essentially unchanged