In a Study of Frustration and Aggression,some Participants Were Exposed

Multiple Choice

In a study of frustration and aggression,some participants were exposed to a research assistant who insulted them,and others were exposed to no such insult.Participants were then allowed to recommend whether the research assistant should be fired.Those who were insulted were more likely to retaliate by recommending that the research assistant lose his job.In this experiment,the ________ was the dependent variable.

A) participants' recommendations
B) research assistance
C) presence or absence of an insult
D) difference between the groups
E) participants' condition