Resentful Demoralization Occurs When _____

Resentful demoralization occurs when _____.

A) an untreated group learns of the treatment received by another group and then becomes less motivated
B) participants in an untreated group leave the study because they become bored with the treatment procedure or don't see it as effective
C) participants in an untreated group are not allowed to communicate with participants in a treated group despite knowing each other well before the study
D) an untreated group learns of the treatment received by another group and then works extra hard to show that they can perform just as well as individuals receiving the treatment