Word: iq
(lookup in dictionary)
(lookup stats)
Dates: during 1960-1969
Sort By: most recent first
(reverse)
Jensen goes on to review many studies on the IQ's of different members of the same families and conclude that heretability explains 75 per cent of the observed differences in all human intelligence (as measured by traditional tests). The other 25 per cent is determined by environmental factors...
...sufficiently isolated one factor from the other. He argues, for instance, that environment operates as a threshhold variable in affecting development. Below a certain minimum threshhold of environmental benefits, the genetic potential of an individual does not develop, and cannot be considered an important variable in determining IQ. But Jensen never quantifies the threshhold level. He merely indicates, somewhat arbitrarily, that minority-group students are not below it. They very well might...
Craig lives with his family in Van Nuys, gets top marks in the tenth grade of Grant High School. His father, a onetime jazz saxophonist, recently gave up his job as an insurance agent to manage his son's business affairs. A precocious student (his IQ is 184), Craig started taking classical piano lessons at nine, switched to jazz at twelve after listening to the cool, cerebral playing of Bill Evans. Soon there were other models: Peterson, Peter Nero, George Shearing. "For a while," Craig admits, "I sounded like those guys, but now it's my own sound...
...monster of Expensive People is a gross 18-year-old named Richard Everett with an IQ of 161 and a neurosis to match every one of his 250 pounds. In a memoir that sometimes reads like Compulsion as told by Holden Caulfield, Richard wanders through his traumatic childhood, concentrating upon his twelfth year when he blossomed out as a child murderer...
When tested later, the designated late bloomers showed an average IQ gain of 12.22 points, while the rest of the student body gained 8.42 points. The gains were most dramatic in the lowest grades. First-graders whose teachers expected them to advance intellectually jumped 27.4 points, second-graders 16.5 points. There were similar gains in reading ability. One young Mexican American, who had been classified as mentally retarded with an IQ of 61, scored 106 after his selection as a late bloomer...