One way to change someone’s attitude is to get that person to give a speech arguing against his or her actual viewpoint. This strategy can lead to attitude change through cognitive dissonance as long...

One way to change someone’s attitude is to get that person to give a speech arguing against his or her actual viewpoint. This strategy can lead to attitude change through cognitive dissonance as long as ___________ is/are present.

 a. peripheral cues to persuasion

b. a motivated audience that feels a sense of personal relevance

c. two-sided arguments

d. insufficient justification for making the speech