A team of psychology students would like to expose their classmates to an embarrassing experience in order to gather data for their term project. Their instructor has asked them to read the ethical guidelines published by the American Psychological Association. She wants them to understand that:

Athey will have to refrain from manipulating the dependent variable

Bthey need to set limits on the emotional responses which might occur.

Cparticipants need to be informed concerning the nature of the procedure before consenting to take part.

Dmost college students regard such experiments as positive

is it C