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Proposed gain-loss principle (an evaluation that changes wil have more effect than an evaluation that remains constant)
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Studied conformity by asking subjects to compare the lengths of lines |
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Performed study on doll preferences in African American children; the results were used in the 1954 Brown Vs. Board |
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Proposed that there were two factors that could lead to non-helping; social influence and diffusion of responsibility. |
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Suggested that gender differences in conformity were not due to gender but to differing social roles |
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Developed cognitive dissonance theory; also developed social comparison theory |
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Studied norms for interpersonal distance in interpersonal interactions |
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Developed dalance theory to explain attitudes change; also developed attribution theory and divided attributions into two categories: dispositional and situational |
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Developed the concept of groupthink to explain how group decision making cane sometimes go awry |
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Proposed concept of belief in a just world |
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Divided leadership styles into three categories: autocratic, democratic, and laissez-faire |
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Studied how psychological inoculation could help people resist persuasion |
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Studied obedience by asking subjects to administer electroshock; also proposed stimulus-overload theory to explain differences between city and country dwellers |
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Developed elaboration likelihood model of persuasion (central and peripheral routes to persuasion) |
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Studied relationship between anxiety and the need for affiliation |
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Used autokinetic effect to study conformity; also performed Robber's Cave experiment and found that having superordinate goals increased intergroup cooperation |
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Studied the mere exposure effect; also resolved problems with the social facilitation effect by suggesting that the presence of others enhances the emission of dominant responses |
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Performed prison simulation and used concept of deindividuation to explain results |
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