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