Monthly Archives: May 2012

Half Way There

I’ve narrowed down the classes of possibilities. And restated the problem: (a) Environmental influences which cause a group difference can be: Common or unique (influences which affect IQ in both populations or influences which affect IQ in one or the … Continue reading

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Problems with Fryer’s environmentalist proof

Note: When I started to write this, I briefly thought that Fryer and Levitt where onto something. After a few minutes of investigation I discovered otherwise. I’m posting this solely as a record of my investigation. I see that Fryer … Continue reading

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Why has this become a one issue blog?

Let me present a few excerpts from volume 15 of the “The Future of Children,” the issue entitled: “School Readiness: Closing Racial and Ethnic Gaps”: (1) “Because the direct evidence on ancestry, adoption, and cross fostering is most consistent with … Continue reading

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Medical school/ UK/ the Gap

In previous posts I’ve shown that the Black-White cognitive gap in the UK has evaporated. Yet I also pointed to several anomalies, for example, the poor performance of Black Britons on Medical and Law school entrance exams. Previously I’ve dismissed … Continue reading

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More effluvia

Re: The Urge to Purge: IQ and the Wealth of Nations I guess Rindermann et al. didn’t get the memo. This whole paper is pretty ridiculous when you think about it. I mean, how could National IQs correlate with haplogroups … Continue reading

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Biracism

I updated my biracial difference estimate. I used standard deviation adjusted, Flynn corrected scores. Using the data I then estimated the between group heritability of the B-W gap. This was done by determining the cross sample average deviation from the … Continue reading

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Old and new Race/IQ/Etc. papers

Shiao et al., 2012. The Genomic Challenge to the Social Construction of Race Templer, 2012. Rushton: The great theoretician and his contribution to personality Figueredo et al., 2012. The measurement of Human Life History strategy Nyborg, 2012. A conversation with … Continue reading

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The Abecedarian project and other flawed studies

I’ve decided to give up blogging on IQ. But, I can’t resist: Hambrick, 2012. IQ Points for Sale, Cheap. NYT. We shouldn’t be surprised if extraordinary claims of quick gains in intelligence turn out to be wrong. Most extraordinary claims … Continue reading

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Pascal’s Wager, the flaw — initial thoughts

Pascal’s wager can be rewritten as: (1) (Economically) rational behaviors are behaviors for which the potential cost multiplied by the probability of incurring this cost does not exceed the potential benefit multiplied by the probability of incurring this benefit. (2) … Continue reading

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