Monday, April 09, 2007
Scores on the new SAT for the 2006 cohort of college-bound seniors: Sex and ethnic breakdown
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You can see it here. There are no surprises.
With two exceptions, each group shows a balanced profile in that it does no better or worse on Verbal than on Math, after each test has been normed relative to the entire test-taking population. The exceptions are males overall (who do about 30 points better on Math) and the group labeled "Asian, Asian American, or Pacific Islander" (about 70 points better on Math). The rather large standard deviation of the Asian group suggests that it is in fact composed of two or more distributions. Regardless, the mean Verbal score for Asians is about 20 points lower than that for whites; the mean Math score is about 45 points higher. In fact, Math is too easy for some subgroup of Asians; a perfect 800 places an Asian only in the 98th percentile of his or her group. The overall sex difference on Math is about 30 points in favor of males. The white-black difference on the overall score is exactly 200 points. The Asian-black difference on Math alone is nearly 150 points. Labels: human biodiversity, IQ, race, sex differences Monday, April 02, 2007
Charles Murray on "Jewish Genius"
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Commentary has published an article by Charles Murray on a topic that has received much coverage here at GNXP: the high intelligence of Ashkenazi Jews (see also here, here, and here). He expands the historical and ethnic scope of the discussion in a very provocative way.
Update: Razib takes issue with Charles Murray on some points concerning historical Jewish accomplishment:
Update II: Greg Cochran says: Non-Ashkenazi Jews do not have high IQ scores today: see Lynn and David. Nor is there the slightest sign that that Jews were sharper than average in Classical times: not one single paragraph in preserved classical literature suggests that anyone had that impression. Nor did the Byzantines.... Labels: culture, History, human biodiversity, IQ Wednesday, February 14, 2007
Readers interested in the range of human phenotypic variation will be interested in inspecting the new SI model index. In particular, some readers might find the Brazil models gallery of particular interest. A certain GNXP contributor will appreciate this photo.
Labels: human biodiversity, Ladies |
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