PSY230H5 Study Guide - Midterm Guide: Sensation Seeking, Simple Math, Life Satisfaction
Document Summary
Personality psych assumes people are different rather than that everyone is the same. The amount of variance not due to measurement error in a personality measure. Retest reliability: repeating the same measure over after some time has passed since. Goal of personality psychology: to classify and examine the causes and consequences of individual differences. Measurement error: variance in a personality measure that is not due to actual individual differences in the trait being measured. Reliability: the first measurement (over time) include many similar items on test (all at once) Trait: a general disposition to feel, think, or act in a particular way across different situations. Aggregation: averaging several behavior or several answers to similar questions on a test to reduce measurement error. Validity: height but not weight) predicts income depressed as a measure of depression) Problem of generalizability across participants: results in one sample may be different from those in another sample (ex.
