PS102 Chapter Notes - Chapter 9: Grey Matter, Twin, White Matter
Document Summary
A psychological test is a standardized measure of a sample of a person"s behaviour. Used to measure the individual differences that exist among people in abilities, aptitudes, interests, and aspects of personality. Aptitude tests assess specific types of mental abilities. Achievement tests gauge a person"s mastery and knowledge of various subjects. Personality tests measure various aspects of personality, including motives, interests, values and attitudes. The questions do not have right or wrong answers. Standardization refers to the uniform procedures used in the administration and scoring of a test. Test norms provide information about where a score of a psychological test ranks in relation to other scores on that test. A percentile score indicates the percentage of people who score at or below the score on has obtained. Reliability refers to the measurement consistency of a test (or other kinds of measurement techniques) A correlation coefficient is a numerical index of the degree of relationship between two variables.
