PSY 235 Chapter Notes - Chapter 4: The Need, Casual Sex, Extraversion And Introversion
Document Summary
Psy 235 - chapter 4 - personality psychology: understanding yourself and others. Whether personality is genetic or determined by our environment. Genetics - dna you"ve had since the moment of conception. Inherit half from mother and half from father. Shared environment - family environment that siblings share. Nonshared environment - experiences not shared by siblings. Friends, participation in certain activities, specific individual experiences, etc. Genetics, shared environment, and nonshared environment are the three most studied variables in personality study. Cultural and generational variation are usually not included in these studies. Biology - everything that appears in the body. A twin study will examines twins raised apart and together. Studies twins who are adopted by separate families and raised apart. In theory, can determine whether personality is mostly attributed to nature or nurture. Percentage of variance - explained by genetics or environment. Refers to variation among a group of people and not within one individual.
