Aronson tested for this phenomenon in children by placing them in a room with a toy robot, and another famous test of it involved separating people into groups that were either paid 20 dollars or one dollar for a favor.
Jack Brehm tested for a post-decision version of this phenomenon using a set of appliances, and Daryl Bem criticism of it lead to the development of Self-perception theory. Aronson tested for this phenomenon in children by placing them in a room with a toy robot, and another famous test of it involved separating people into groups that were either paid 20 dollars or one dollar for a favor. An occurrence of it in a doomsday UFO cult was outlined in the book When Prophecy Fails, FTP, name this psychological phenomenon outlined by Carlsmith and Festinger, in which someone holds two contradictory beliefs.
Jack Brehm tested for a post-decision version of this phenomenon using a set of appliances, and Daryl Bem criticism of it lead to the development of Self-perception theory.
Cognitive dissonance