Sherif's Experiments of How People Judged the Amount of Movement

Sherif's experiments of how people judged the amount of movement of a dot of light in a dark room demonstrated that when there is no objectively correct response,participants were

A) likely to doubt themselves and accept the group opinion.
B) likely to doubt the group opinion, but nevertheless conform to it.
C) not likely to follow the group opinion.
D) likely to follow the group opinion, but only temporarily. When questioned alone later, their judgments shifted back to their initial, private judgment.