In a Conformity Experiment by Deutsch and Gerard (1955), Which

In a conformity experiment by Deutsch and Gerard (1955) , which of the following caused people to be more susceptible to group pressure?

A) When they were uncertain in their judgement, the group had a goal, and they had visual contact with the group
B) When they were certain in their judgement, there was no group pressure, and they had visual contact with the group
C) When they were uncertain in their judgement, there was no group pressure, and they were isolated in their cubicles
D) When they were certain in their judgement, the group had no goal, and they were isolated in their cubicles