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Unformatted text preview: Personality Development Click here Overview Personality very brief introduction What contributes to individual differences in personality? Behavioral genetics as a source of evidence. What are the environmental factors? Example: research on socialization by parents; parenting style. Behavioral genetics evidence undermining evidence for parental influences on personality: Do parents really matter? If parents dont matter, who does? Personality (very [very] brief introduction): Apparently, you can tell a lot about someones personality from what they are like -- Harry Hill Theme: individual differences Stable across time, measured via questionnaires tapping various dimensions (introversion, extroversion, etc.) Individual differences: using behavioral genetics to determine sources of variation Are differences (in personality, intelligence, whatever) because people differ genetically or in their environments? Behavioral genetics: Family studies Comparing people who vary in Genetic relatedness Environmental similarity Is variance in a given trait associated with genetic or environmental similarity/difference? Twin studies: Identical Adoption studies: Biological siblings versus adopted siblings (raised in the same home) vs non identical Twin studies: Identical (monozygotic - MZ) twins share 100% of their DNA Fraternal (dizygotic - DZ) twins share only 50% of...
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- Fall '08
- Developmental Psychology