PSYC1002 Lecture Notes - Lecture 2: Stanford–Binet Intelligence Scales, Fluid And Crystallized Intelligence, Group Testing

• School: University of Sydney
• Department: Psychology
• Course: PSYC1002
• Professor: Caleb Owens

Document Summary

Measuring mental abilities: making sense of scores (norming and standardisation, tests of intelligence. Theory development: correlations, factor analysis, measuring mental abilities: Norm-referenced testing: normative groups: e. g. reading test (verbal intelligence) Deviation iq is based on this distribution approach. We can define a normal distribution by its mean and sd. About 68% of scores in +/= from one sd of the mean. 95% of scores will fall between +/- 2 standard deviations of the mean. Scores above or below 100 tells you how far you are away from the mean e. g. if you are 15 points below 100, you are one sd away from the mean. Person x is intelligent because person x performs well on intelligence tests and vice versa. Unless we have some way to describe the validity of this claim, we run the risk of this subtle circulatory. Emerge from the environment things we can measure. Behaviours in a school exam or intelligence test.