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Aggression: Definitions and Perspectives
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Why study Aggression? A crime is committed
every A violent crime is committed Assault every A robbery every A rape every A murder every Regions of the US South West Midwest Northeast Lets look at “today” - CNN.com
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Past Court Records Long downward trend since mid-fourteenth century
Not all still exist Most pertain to homicide Long downward trend since mid-fourteenth century From 20/100,000 in 1200 To 1.5/100,000 in 1800 Continued to drop until 1950s .3/100,000 in 1951 Creep back up in last 50 years 1/100,000 in 1981
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Serious violent crime levels declined since 1993
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What is Aggression? The scientific study of affect, behavior, cognition, and physiology/biology. Cognition: Internal mental processes of the individual Affect: Subjective feeling states Behavior: Any action that can be observed and recorded Physiology/Biology: How body/brain influence above The scientific study of “people” in “situations”. Aggression encompasses many different types of behaviors in many different kinds of situations
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What is Aggression? Physical, emotional, psychological Minor, severe
Human, animal, natural forces Accidental, intentional Socially approved, disapproved Legally approved, illegal Justification, no justification Each person perceiving it differently, why?
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What is violence? Violence Aggression
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What causes Aggression?
Biology/Physiology? (including neurotransmitters, hormones, personality traits, evolution, genetics Cognition? (including thoughts, attributional bias, threatened egotism, cognitive priming Affect? (emotional reactions including frustration-aggression, excitation-transfer Behavior Situation? (external factors such as culture, social learning, media, situational cues like heat, noise, crowding, etc)
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