CHYS 2P35 Lecture Notes - Lecture 8: Hackney Carriage, Developmental Disability, Head Injury
10 Apr 2015
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Standardized tests have standardized the average average range. One standard deviation (15 below and 15 above) 67% of people in the general population have an iq of 85 115. * weschler"s intelligence scale for children (wisc iii) iq test for children . * weschler"s adult intelligence scale (wais - iii) iq test for adults designed measurement tool. * historically thought to be a stable trait theorized that iq is somewhat stable if we measure iq at 8 years old and then at 25, the average would stay stable (give or take a few points) * huge changes in iq as much as 20pts. Changed view of stability in regards to iq average. Measured iq of people who are going to be cab drivers people were matched for age, ethnicity, backgrounds, etc. Researchers followed cab drivers for 2 years problem solving, memorizing stuff. Differences in grey matter (brain power) the more grey matter we have, the.
