Participants in a Study Freely Engage in a Behaviour That

Multiple Choice

Participants in a study freely engage in a behaviour that is contrary to their attitudes.This behaviour causes an increase in physiological arousal,but the experimenter tells the participants that this arousal is the product of a placebo pill they have taken.Under these conditions,we would not expect the participants to change their attitudes to be more in line with their behaviour,a finding that is most consistent with ______________ theory.

A) the theory of planned behaviour
B) social identity theory
C) self-justification
D) cognitive dissonance