History of social psychology
•	Many sources
•	Grafted onto psychology
•	Search for scientific respectability
Early research
•	Social facilitation – early social influence
•	Group decision making
•	Attitude measurement and prejudice
The Lewinan revolution
•	Groups and individuals
•	Motivation
•	Contemporary forces
•	Students
The Lewin group studies
•	Leadership
•	Group decision – the food studies (Bavelas)
•	Industrial productivity (French)
Social influence
•	Newcomb’s Bennington studies
•	Sherif and norms
•	Asch and conformity
•	Milgram and compliance
Yale attitude research
•	World War II
•	Hovland and others
•	Loose Hullian paradigm
Cognitive consistency
•	Heider’s balance theory
•	Cognitive dissonance theory
•	The challenge to rive theory – Janis
Long tradition of person perception
•	Importance of phenomenology
•	Impression formation
•	Implicit personality theory
•	Accuracy
•	Nonverbal perception and emotion
Attribution theory
•	Heider’s naïve analysis of behavior
–	Causal analysis
–	Dispositions
•	Kelley
•	Jones
•	Correspondence bias
The social cognition revolution
•	Applied cognitive psychology
–	Social psychology always heavily cognitive
–	But also affects cognitive
•	General approach
•	Many basic principles
–	Schema processing
–	Distortions -- heuristics
The issue of relevance
•	Many research projects based on real-life issues
–	By-stander intervention
–	Attraction and relationships
•	One reason the field has little coherence
•	1970s’s crisis in social psychology