In a Test of the Deindividuation Hypothesis Carried Out by Festinger

In a test of the deindividuation hypothesis carried out by Festinger, in which experimental participants were asked to talk about their parents in a group discussion:

A) more positive comments were forthcoming when they were dressed in gray lab coats and seated in a dimly lit room, because they would otherwise have been embarrassed about praising mom and dad
B) more negative comments were forthcoming when everyone sat in their street clothes in a brightly lit room
C) although students initially said positive things about their parents, their comments became more and more hostile as a result of the interstimulation
D) anonymity or lack of anonymity had no effect on the negativity of their comments
E) more negative comments were forthcoming when they were dressed in gray lab coats and seated in a dimly lit room