Ch. 3: Nature vs. Nurture: Genes, Evolution, Environment Slides by: Wade & Tavris, 2009 Myers, 2010.
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Transcript of Ch. 3: Nature vs. Nurture: Genes, Evolution, Environment Slides by: Wade & Tavris, 2009 Myers, 2010.
Ch. 3: Nature vs. Nurture:Genes, Evolution, Environment
Slides by:Wade & Tavris, 2009
Myers, 2010
Nature, Nurture, and Human Diversity
NatureBehavior Genetics: Predicting Individual Differences Genes: Our Codes for Life Twin and Adoption Studies Temperament and Heredity Heritability Gene-Environment Interaction The New Frontier: Molecular Genetics
NurtureParents and Peers Parents and Early Experiences Peer Influence
NurtureCultural Influences Variations Across Cultures Variations Over Time Culture and the Self Culture and Child-Rearing Developmental Similarities
Across Groups
Variation Across CultureCultures differ. Each culture develops norms – rules for accepted and expected behavior. Men
holding hands in Saudi Arabia is the norm (closer personal space), but not in American culture.
Jason Reed/ R
euters/Corbis
Twin and Adoption Studies
Studying the effects of heredity and environment on two sets of twins, identical
and fraternal, has come in handy.
Nature and NurtureSome human traits are fixed, such as having
two eyes. However, most psychological traits are liable to change with environmental
experience.
Genes provide choices for the organism to change its form or traits when
environmental variables change. Therefore, genes are pliable or self-regulating.
Innate human characteristicsInfant reflexes
Interest in novelty
Desire to explore and manipulate objects
Impulse to play and fool around
Basic cognitive skills
3
Reflections on Nature and Nurture