Your friend wears bell-bottoms constantly, a behavior that offends your sense of style. if you wanted to apply cognitive dissonance theory to get your friend to change her attitude toward bell-bottoms, you should encourage her to give a public speech under conditions of external justification.

The corrects answers are "bell bottoms" and "low external justification".

Insufficient justification or low external justification is known as a marvel under the domain of social psychology. It orchestrates hypotheses of subjective discord and inside versus outside defense. Basically, lacking legitimization is the point at which an individual uses inside inspiration to legitimize a conduct.