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Leon Festinger (8 May 1919 – 11 February 1989) was an American social psychologist who originated the theory of cognitive dissonance and social comparison theory.The rejection of the previously dominant behaviorist view of social psychology by demonstrating the inadequacy of stimulus-response conditioning accounts of human behavior is largely attributed to his theories and research. [1]
When Prophecy Fails: A Social and Psychological Study of a Modern Group That Predicted the Destruction of the World is a classic work of social psychology by Leon Festinger, Henry Riecken, and Stanley Schachter, published in 1956, detailing a study of a small UFO religion in Chicago called the Seekers that believed in an imminent apocalypse.
Leon Festinger, born in 1919 in New York City, [6] was an American social psychologist whose contributions to psychology include the cognitive dissonance theory, social comparison theory, and the proximity effect.
This mental phenomenon is known as cognitive dissonance, explains licensed psychologist David Tzall, ... The term cognitive dissonance was coined by psychologist Leon Festinger in 1957.
Leon Festinger was an American psychologist who developed the concept of social comparison theory. Festinger was born in New York City on May 8, 1919. Festinger was interested in science, which led him to pursue a career in psychology.
Disconfirmed expectancy is a psychological term for what is commonly known as a failed prophecy.According to the American social psychologist Leon Festinger's theory of cognitive dissonance, disconfirmed expectancies create a state of psychological discomfort because the outcome contradicts expectancy.
Leon Festinger and James M. Carlsmith (1959) conducted an experiment entitled "Cognitive Consequences of Forced Compliance". This study involved 71 male students from Stanford University, of which 11 students were disqualified. The students were asked to perform a tedious task involving using one hand to turn small spools a quarter clockwise turn.
Effort justification is an idea and paradigm in social psychology stemming from Leon Festinger's theory of cognitive dissonance. [1] Effort justification is a person's tendency to attribute the value of an outcome they put effort into achieving as greater than the objective value of the outcome.