In a Psychology Experiment,the Participants Were Required to Frown During

Multiple Choice

In a psychology experiment,the participants were required to frown during the first half of the day and smile during the remaining half.At the end of the day,the participants reported feeling more positive when they smiled rather than when they frowned.This scenario likely illustrates:

A) belief perseverance.
B) the facial feedback effect.
C) cognitive dissonance.
D) the overjustification effect.