Both Social Facilitation and Social Loafing Are Manifestations of the Influence

Both social facilitation and social loafing are manifestations of the influence that the presence of others have on our behaviours.These phenomena differ,however,in that presence of others _______ in social facilitation situations and _______ in social loafing situations.

A) enhances performance on complex tasks; impairs performance on complex tasks
B) decreases arousal; impairs performance on complex tasks
C) impairs performance on simple tasks; impairs performance on complex tasks
D) increases arousal; decreases arousal
E) decreases arousal; increases arousal