PSYC 2740 Chapter Notes - Chapter 7: Twin, Twin Study, Longitudinal Study

• School: University of Guelph
• Department: Psychology
• Course: PSYC 2740
• Professor: Stephen Lewis

Document Summary

Human behaviour (personality) is an inextricable combination of both genetics and environment. Nature and nurture transact: genes and environment can work separately, together or influence one. Genotype-environment interaction another: certain environments have different effects on people depending on their. Genotype-environment correlation specific makeup: people change environments and environments change people so that you can not separate the impact of genes on environment. Phenotype: observable characteristics or traits, some researchers suggest. Phenotype = genotype + genotype-environment correlation + Shared and nonshared environments: shared environment. Includes aspects of the family environment that are generally the same for all the children in the household including physical, psychological, and social aspects: nonshared environment. Includes experiences that relatives have which makes them different from one another. May include unique experiences within the family or outside the family: finn twin studies. Longitudinal study, only same sex twins used, both identical and nonidentical twins along with kids who were from the same neighbourhood, school or even classroom.