In a Classic Study on Social Facilitation That Involved College

In a classic study on social facilitation that involved college students shooting pool at a student union, it was found that when being watched by others, good pool players who were confident in their pool playing

A) became very self-conscious, and their pool-playing suffered significantly.
B) improved their accuracy.
C) showed no change in their pool shooting ability.
D) became extreme showman and took risky shots, many of which did not pay off.