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- bellcrv.html archivedate "2007-10-22".
- bellcrv.html archiveurl "http://web.archive.org/web/20071022043901/http://mysite.du.edu/~psherry/bellcrv.html".
- bellcrv.html author "Leon K".
- bellcrv.html date "February 1995".
- bellcrv.html first "Leon".
- bellcrv.html isCitedBy Dysgenics.
- bellcrv.html isCitedBy Richard_Lynn.
- bellcrv.html journal Scientific_American.
- bellcrv.html last "Kamin".
- bellcrv.html magazine Scientific_American.
- bellcrv.html magazine "Scientific American".
- bellcrv.html quote "In 1992 Owen reported on a sample of coloured students that had been added to the groups he had tested earlier. The footnote in "The Bell Curve" seems to credit this report as proving that South African colored students have an IQ "similar to that of American blacks," that is, about 85 . That statement does not correctly characterize Owen's work. The test used by Owen in 1992 was the "nonverbal" Raven's Progressive Matrices, which is thought to be less culturally biased than other IQ tests. He was able to compare the performance of colored students with that of the whites, blacks and Indians in his 1989 study because the earlier set of pupils had taken the Progressive Matrices in addition to the Junior Aptitude Tests. The black pupils, recall, had poor knowledge of English, but Owen felt that the instructions for the Matrices "are so easy that they can be explained with gestures." Owen's 1992 paper again does not assign IQs to the pupils. Rather he gives the mean number of correct responses on the Progressive Matrices for each group: 45 for whites, 42 for Indians, 37 for coloreds and 28 for blacks. The test's developer, John Raven, repeatedly insisted that results on the Progressive Matrices tests cannot be converted into IQs. Matrices scores, unlike IQs, are not symmetrical around their mean . There is thus no meaningful way to convert an average of raw Matrices scores into an IQ, and no comparison with American black IQs is possible.".
- bellcrv.html quote "Lynn chose to ignore the substance of Crawford-Nutt's paper, which reported that 228 black high school students in Soweto scored an average of 45 correct responses on the Matrices—HIGHER than the mean of 44 achieved by the same-age white sample on whom the test's norms had been established and well above the mean of Owen's coloured pupils.".
- bellcrv.html quote "Lynn's distortions and misrepresentations of the data constitute a truly venomous racism, combined with scandalous disregard for scientific objectivity. Lynn is widely known among academics to be an associate editor of the racist journal "Mankind Quarterly" and a major recipient of financial support from the nativist, eugenically oriented Pioneer Fund.".
- bellcrv.html quote "Lynn's distortions and misrepresentations of the data constitute a truly venomous racism, combined with scandalous disregard for scientific objectivity.".
- bellcrv.html title "The Bell Curve: Intelligence and Class Structure in American Life".
- bellcrv.html url bellcrv.html.
- bellcrv.html url "http://mysite.du.edu/~psherry/bellcrv.html".
- bellcrv.html volume "272".