James_Lecture_3_critical_thinking_part_1___student_version

James_Lecture_3_critical_thinking_part_1___student_version...

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Lecture 3 09.06.07 Research Strategies Part 2 Experimentation Experimentation Statistical Reasoning Statistical Reasoning Ethics Ethics
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Testing Theories __________: People who wear Black are more aggressive than people who don’t wear Black Theory: Color influences people’s aggressive tendencies
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Testing Theories Degree of relationship between 2 variables Ask people how often they wear Black and how aggressive they are – is there an association? Problem? ___________ approach
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Correlational Approach _________ Correlation 0 10 20 30 40 50 2 10 20 50 Times Black clothes worn in 2  mos Aggression
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Correlational Approach _________ Correlation 0 10 20 30 40 50 2 10 20 50 Times White clothes worn in 2  mos Aggressio
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From last time… Does correlation equal causation? How do we determine cause? Experiments!! NO!!!!
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Definition Definition : Creating a situation where you… : Creating a situation where you… 1) Manipulate (change) one variable 2) Keep other variables constant.
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