Recall That Latané and Darley (1968)arranged for Participants to Overhear

Recall that Latané and Darley (1968) arranged for participants to overhear a seizure during a discussion of personal problems adjusting to college life.Their study was an experiment because

A) the taped seizure was actually fake and was identical for everyone.
B) the results were analyzed statistically.
C) all participants were provided the same opportunity to help.
D) they accounted for the third-variable problem.
E) participants were randomly assigned to systematically different discussion groups.