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1 Social Thinking

Impression Formation Attribution

Stereotypes & Prejudice

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2 Social Influence

ObedianceConformity Persuasion

3 Social Relations

CommunicationRelationships Aggression

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History if Social Psychology! 1895-7: Le Bon: theory of crowd behavior;

Triplett conducts experiment on a "social facilitation" effect.

! 1908: First textbooks of social psychology

! 1921: Journal of Abnormal Psychology!  Journal of Abnormal and Social Psychology

! Origins of experimental method in 1930s: Lewin

! Growth period: 1950s-1960s: Asch, Sherif, Heider, Festinger

! 1968: Journal of Abnormal and Social Psychology! Journal of Personality and Social Psychology

! 1970s-80s: Fast rise of the cognitive approach

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Antecedent conditions

General laws

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total R = .63

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Control group

Experimental group

! Barring chance! replicate!

!  X  is an operation; what is the process set in motion? 

!  Always:  X  " M" Y 

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Control group

Experimental group

! Is there really no other di" erence

between XE and Xc ?

! Did we really measure Y?

Dose

0 g 50g 100g

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A0 A1

B0

B1

A0 A1

B0 B1 B2 B0 B1 B2

C0

C1

A0 A1 A2

 Within !subject designs vs. Between !subjects designs

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