lec 04 - Research

lec 04 - Research - Research "Everything that can be...

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Research “Everything that can be invented has been invented.” Charles H. Duell, Commissioner US Office of Patents, 1899
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What is a Theory? Large picture view Generates research question Ex. Having Sex Reduces Stress. What is a hypothesis? A prediction about what you expect to observe Ex. People who have consensual sex at least 3 times per week have fewer headaches than people who have sex less often.
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Research Questions & Hypotheses Research Question – Broadly guides research Hypothesis – specific, measurable, falsifiable Examples Research Question Drinking excessively reduces grades Hard workers get more accomplished Someone who is aggressive is angry Intelligent people have better jobs People who read a lot are smarter
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Theory vs. Hypothesis Watching too much television causes children to become violent A) Theory B) Hypothesis People who brush their teeth for 5 minutes a day have fewer cavities than people who only brush their teeth 1 minute a day. A) Theory B) Hypothesis
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Theory vs. Hypothesis Watching Family Guy for 30 minutes is Funnier and causes more laughter than Watching 30 minutes of Mythbusters A) Theory B) Hypothesis Presidents are intelligent people A) Theory B) Hypothesis
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The Issue Cloning Dolly the sheep clone = genetically identical Would it behave the same? Why do we care? How do we find out?
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Case Study What is a case study? One subject studied in depth to learn or discover some universal principles Benefit Rare conditions Limitation May be a quirk unique to an individual
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Behavioral Genetics Family Histories Genetics are passed along from parent to child (Like Father – Like Son; A Chip off the Old Block; The apple doesn’t fall far from the tree) Familial Traits & Aggression Familial Murders in England
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Behavioral Genetics Non-Human Animal Models Slave Making Ants Squirrel Gangs Chimpanzee Wars Genetic Relatedness Siblings - 99.98% Parents - 99.975% Strangers - 99.95% Musa Acuminata - 50%
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Twin Studies & Intelligence - Nature 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 identical twins raised together identical twins raised apart fraternal twins raised together siblings raised together unrelated individuals raised together
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Twin Studies & Intelligence - Nurture 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 identical twins raised together identical twins raised apart fraternal twins raised together siblings raised together unrelated individuals raised together
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lec 04 - Research - Research "Everything that can be...

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