Psychology 1000 Chapter Notes - Chapter 14: Twin, Trait Theory, Factor Analysis

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Laura Fazakas-de Hoog

Document Summary

Chapter 14- personality components of identity + perceived internal cause + perceived organization & structure = personality. Personality trait: a durable disposition to behave in a certain way across situations (ex. Explains consistency across situations (but also differences between individuals) Five factor trait model of personality (mccrae & costa, 1985) Tendency to describe ourselves and others according to these traits (o. c. e. a. n) modest straightforward. Neuroticism sympathetic nervous hostile trust-worthy self- conscious cooperative insecure vulnerable tense. Openness to experience conscientiousness curiosity flexibility openness to experience vivid fantasy creative artistic sensitivity flexible attitudes. Biological theories of personality diligent disciplined well-organized punctual dependable persevering. 50% of traits are heritable (amongst identical twins, approx. 2 traits on a continuum: stable vs. unstable. Similar to big 5"s neuroticism: introverted vs. extroverted. * later added psychoticism vs. lack of psychoticism. Suggested biological basis for personality: deviations from optimal level of arousal . Extroverted chronic under aroused: suddenness of shifts in arousal. Emotionally stable: gradual shifts in arousal.