PSYCH 2AA3 Lecture Notes - Lecture 7: Fluid And Crystallized Intelligence, Mental Age, Cognitive Deficit
2 Apr 2016
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Basic ability to deal with info well. Crystallized vs. fluid intelligence: crystallized: good on cross words or trivia. How is intelligence measured: binet test, modern tests. Identification of children who will need academic support. Binet"s test (1905+: series of increasingly difficult tasks. Seriation tasks (ordering: mental age vs. chronological age (1908) Kids who earned negative or 0 did not need help. Positive kids flagged for help: intelligence quotient. Divide mental age by chronological age and multiple by 100. Less than 100, flagged for help and evidence of cognitive deficit. Been used inappropriate in the past (entry into country, racism) Verbal and non-verbal components: examples verbal (5 subtests) Explain a riddle or meaning of saying: examples non-verbal (10 subtests) Perceptual reasoning (recreate pattern with red and white blocks) Picture completion (speed and what is missing) Normal is within one sd of the mean. Dull normal to borderline retarded (2 sds above) Bright normal to very superior (2 sds below)
