Psychology 2550A/B Lecture Notes - Lecture 5: False Dilemma, Novelty Seeking, Interpersonal Attraction

• School: Western University
• Department: Psychology
• Course: Psychology 2550A/B
• Professor: David Vollick

Document Summary

Behavior genetics: behavior genetics studies role of genes in social behavior and personality. The human genome: genetic heritage of each human being human genome is contained in molecule called deoxyribonucleic acid (dna) . 20: big five, twins and adoption studies also suggest some genetic influence for agreeableness, conscientiousness, and culture. Temperaments: temperaments traits that are visible in early childhood and seem to be significantly influenced by genetic endowment; ex: Kagan (2006) temperaments: inhibition: research questions: Jan 17th / jan 22nd: so, romance is drawn from environment, marriage from genetics. 28, so heritability index for extraversion is: h = (. 56 - . 28) x 2 = . 56. Gene-environment interaction (gxe: gene-environment interaction unique psychological environment of each family member. Identical twins reared apart rated family environments in which they grew up more similarly than did fraternal twins reared apart. Genes also influence environment: people encounter environments that their genetic relatives, in part, make from them.