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Ch 11: Aggression Part 1: Apr. 12, 2012.

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Presentation on theme: "Ch 11: Aggression Part 1: Apr. 12, 2012."— Presentation transcript:

1 Ch 11: Aggression Part 1: Apr. 12, 2012

2 Aggression Definitions
Physical or verbal behavior intended to harm Distinguish between: emotional aggression instrumental aggression

3 Aggression Theories: Biology
Biological foundations of aggression – is it human nature? Freud and others – needed to redirect our energy What is catharsis? How does this theory hold up?

4 Testosterone (male sex hormone) also has influence
Gender differences – Animal vs. human research - Boys/girls express aggression differently Feelings of anger - Gender differences in direct aggression? Indirect aggression? Reactions to unclear situations -

5 Aggression and Social Learning
Is it a learned social behavior? Bandura Learn aggression through observing others. Bobo doll experiment example… What was the method? What were the results?

6 TV and Violence George Gerbner’s 30 year study of violence in movies/TV. Stats on daily TV use - Stats on # violent acts per hour on TV – Effect on behavior & beliefs? Bushman & Eron’s longitudinal research –

7 Gerbner’s research: “Mean World Syndrome” “Happy Violence”
Contrast with actual crime rates – “Happy Violence”

8 Aggression as reaction to frustration…
Oldest theory – frustration (having a goal blocked) leads to some form of aggression. Aggression gets displaced to other sources Mixed lab results – what are they? Berkowitz – revision of theory: to what?

9 Aggression Triggers – Situational Influences
Pain Heat – evidence from MLB pitchers Crowding Alcohol


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