Anonymous
8/19/2025, 10:53:17 AM
No.16755443
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Investigating Claims Of Superior Ashkenazi IQ
Sometimes on X, as in real life, a discussion arises about Ashkenazi Jewish IQ. Such discussions usually involve claims (such as the one made by Grok above) that Ashkenazi Jewish IQ is superior to that of whites, which explains their observed over-representation in positions of power such as academia and politics. These claims are hotly disputed. As a psychological scientist, I thought I’d investigate, so that you don’t have to.
The 2005 Cochran paper referenced by Grok can be found here. In the section titled ‘The Psychometric Evidence about Ashkenazi IQ’, it states: “Ashkenazi Jews have the highest average IQ of any ethnic group for which there are reliable data. They score 0.75 to 1.0 standard deviations above the general European average, corresponding to an IQ [of] 112-115. This has been seen in many studies (Backman, 1972; Levinson, 1959; Romanoff, 1976).”
However, these claims, as well as the other claims from this section, cannot be verified.
Backman’s study can be found here. The most important table from it is reproduced below.
The 2005 Cochran paper referenced by Grok can be found here. In the section titled ‘The Psychometric Evidence about Ashkenazi IQ’, it states: “Ashkenazi Jews have the highest average IQ of any ethnic group for which there are reliable data. They score 0.75 to 1.0 standard deviations above the general European average, corresponding to an IQ [of] 112-115. This has been seen in many studies (Backman, 1972; Levinson, 1959; Romanoff, 1976).”
However, these claims, as well as the other claims from this section, cannot be verified.
Backman’s study can be found here. The most important table from it is reproduced below.