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For example, the average scores of black people on some IQ tests in 1995 were the same as the scores of white people in 1945. [70] As one pair of academics phrased it, "the typical African American today probably has a slightly higher IQ than the grandparents of today's average white American." [71]
Children with an IQ above 140 by that test were included in the study. There were 643 children in the main study group. When the students who could be contacted again (503 students) were retested at high school age, they were found to have dropped 9 IQ points on average in Stanford–Binet IQ.
Average IQ in East Asian nations had been reported as equal to or substantially above the American average. Asians did particularly well on spatial tests. Their knowledge of mathematics were above that predicted from IQ scores which may reflect cultural differences or higher spatial ability.
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The mothers of the children studied were white German women, while their fathers were white and black members of the US occupation forces. In contrast to results obtained in many American studies, [ 1 ] the average IQs of the children studied were roughly similar across racial groups, making the study an oft-cited piece of evidence in the ...
She's already a member of Mensa -- the genius society –- and currently stands as the youngest person in the Arizona Mensa chapter. Tests show her I.Q. is above 160, whereas the average person's ...
Cognitive test scores predict educational performance better than they predict any other outcome, and cognitive testing is pervasive in academics [citation needed].Central policy issues concern the proper role of testing in assessing educational quality and in college admission; efforts to characterize and close the educational achievement gap between racial and socioeconomic groups in the US ...
The average fertility in his study was correlated at −0.031 with IQ for white women and −0.086 for black women. Vining argued that this indicated a drop in the genotypic average IQ of 1.6 points per generation for the white population, and 2.4 points per generation for the black population. [11]