The cognitive dissonance experiment is based on the theory of cognitive dissonance proposed by leon festinger in the year 1957: people hold many different cognitions about their world, eg about their environment and their personalities. Festinger's (1957) cognitive dissonance theory suggests that we have an inner drive to hold all our attitudes and behavior in harmony and avoid disharmony (or dissonance) this is known as the principle of cognitive consistency.
Psychologist leon festinger first introduced the theory of cognitive dissonance in the 1950s cognitive dissonance occurs when we act in a way that contradicts our beliefs to deal with the uncomfortable feeling, we will either change our actions to be in line with our beliefs or change our beliefs to match our actions. “mentalistic” theory versus a behaviorist theory cognitive dissonance theory was based on abstract/internal/mental concepts, which were, of course, anathema to the behaviorists festinger and carlsmith set up an ingenious experiment which would allow for a direct test of cognitive dissonance theory versus a behavioral/reinforcement theory.
1957 marked the release of the unitary volume of work entitled a theory of cognitive dissonance it's author, stanford professor of psychology dr leon festinger noticed a tendency for individuals to seek consistency among their attitudes and behaviors (festinger, 1957.
Festinger’s theory and definition leon festinger was one of the first psychologists to research on cognitive dissonance as a part of his study, he begun an observation study of a cult whose members believed that earth was going to be destroyed by a flood. Psychologist leon festinger is known for his theory of cognitive dissonance, which concerns our actions and attitudes keep reading for a brief biography of festinger and to learn more about cognitive dissonance.
Leon festinger's theory of cognitive dissonance has been widely recognized for its important and influential concepts in areas of motivation and social psychology the theory of dissonance is here applied to the problem of why partial reward, delay of reward , and effort expenditure during training result in increased resistance to extinction. Leon festinger and james carlsmith conducted a study on cognitive dissonance investigating on the cognitive consequences of forced compliance in the study, undergraduate students of introductory psychology at stanford university were asked to take part of a series of experiments.
Social psychology (chapter six) study play cognitive dissonance theory it was developed by leon festinger in 1957 people are motivated by a desire for consistency in their beliefs, attitudes, and behaviors effort justification is an idea and paradigm in social psychology stemming from festinger's theory of cognitive dissonance effort. Leon festinger was born in brooklyn, new york, on may 8, 1919 while a graduate student at the university of iowa, festinger worked with kurt lewin, who is known as the 'father of social psychology' initially, festinger wasn't interested in social psychology and instead put his gifted mathematical skills to use. Dissonance theory (festinger, 1957) the theory has obviously stood the test of time in the theory has obviously stood the test of time in that it is mentioned in most general and social psychology textbooks today.
The theory of self-perception (bem) and the theory of cognitive dissonance (festinger) make identical predictions, but only the theory of cognitive dissonance predicts the presence of unpleasant arousal, of psychological distress, which were verified in laboratory experiments. Festinger's seminal 1957 work integrated existing research literature on influence and social communication under his theory of cognitive dissonance the theory was motivated by a study of rumors immediately following a severe earthquake in india in 1934. Leon festinger's theory of cognitive dissonance has been widely recognized for its important and influential concepts in areas of motivation and social psychology.