Sheppard and Vidmar Had Some Students Serve as Witnesses to a Fight

Sheppard and Vidmar had some students serve as witnesses to a fight, while others took the roles of lawyers and judges. When they had been interviewed by the defence lawyer, the witnesses

A) gave testimony condemning the defendant as guilty.
B) gained self-confidence and claimed to remember more details.
C) gave testimony that was favourable to the defendant.
D) were less susceptible to the misinformation effect.