| Chapter 11: Intelligence Intelligence has been hard to define: At the heart of the nature/nurture controversy Used for personal, political, and social agendas Cattell's theory of intelligence: Fluid intelligence: largely inherited abilities to think and reason High correlation between IQ scores of twins, even if reared apart (but may have very similar environments) Correlation between IQ scores of children and adoptive parents decreases with age Correlation between IQ scores of children and biological parents increases with age Environment plays a very important role, especially early in life Biology defines the range of possible performance; environment determines where on that range you end up Crystallized intelligence: accumulated knowledge and its application Flynn effect: IQ scores increased in recent decades IQ may measure performance in education more than intelligence itself IQ tests are good at predicting academic success and what society values, but poor at getting at "pure intelligence" Biased toward certain groups: based on white-middle class values |
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