PSY230H5 Lecture Notes - Lecture 10: Fluid And Crystallized Intelligence, Theory Of Multiple Intelligences, Factor Analysis
Document Summary
Performances on different intellectual task are positively correlated (vocabulary, digit memory, spatial ability, etc. ) Factor analysis of various tasks shows one general factor (g-factor). Intelligence profiles (different rank order on different tasks (linguistic, logical- mathematical, spatial, bodily-kinesthetic, musical, and personal intelligence) Different types of intelligence: fluid intelligence (e. g. , raven progressive matrices, abstract tasks) g ( g , g. Conclusion: american psychological association (apa) task force, heritability of iq after late adolescence is about . 75, no effect of shared environment in adulthood, for children heritability is lower (~45%, for children shared environment has an effect (> 20%). Flynn (1994) demonstrated that 18-year olds in 1982 scored 20 iq-points higher (sd. Conclusion: both genes and environment matter, genetic effects are stable (unless biological changes occur due to brain damage or aging), environmental effects are more short lived. Real world implications: intelligence is like physical fitness. You have to exercise your brain to maintain your.
