Leon Festinger and J

Leon Festinger and J.Merrill Carlsmith (1959) paid participants either $1 or $20 to tell another person that a boring,tedious task was really fun and interesting.The results of their experiment demonstrated that

A) most people will not lie regardless of the reward.
B) minimal external justification can lead to attitude change.
C) people often refuse to say in public what they privately believe.
D) the decision to engage in attitude-discrepant acts must be voluntary.
E) when people experience dissonance,they work to justify their effort.