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According to Jim: the flawed normal curve of intelligence.

Publication: Roeper Review
Publication Date: 01-OCT-08
Format: Online
Delivery: Immediate Online Access
Full Article Title: According to Jim: the flawed normal curve of intelligence.(Column)

Article Excerpt
An old philosopher once opined that "It is not the things we don't know that cause us so much trouble, it is the things we know that ain't so." So it is with the normal curve of intelligence. It is likely that on your bookshelf there are volumes of educational psychology or developmental psychology that contain a neat drawing of the normal curve of intelligence; large in the middle with diminishing numbers at the extremes and, above all, symmetrical in nature. Generations have learned this in school and college. Only one problem, as the philosopher said: "It ain't true."

For one thing, where the average is theoretically 100,...



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