New Rindermann paper

For those interested, intelligence researcher Heiner Rindermann has a new paper in press:

Rindermann, H. African cognitive ability: Research, results, divergences and recommendations. Personality and Individual
Differences (2012), http://dx.doi.org/10.1016/j.paid.2012.06.022

In brief, he presents some new data, estimates the mean African cognitive ability, discusses the possibility of ancestral genetic differences, and offers some suggestions for future research.

After reading it, I wrote to him about my misgivings concerning a racial genetic hypothesis and referred him to a few of the discussions on this blog concerning the UK B/W gap. He thanked me and said that he would look into it.

With regards to that particular gap (or absence thereof) my qualms have not, in the least, been alleviated. The situation has turned out to be worse for a genetic hypothesis than I had originally thought. I might write a post summarizing my latest findings and thoughts on this or I might not.

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5 Responses to New Rindermann paper

  1. Amibiguous says:

    “I might write a post summarizing my latest findings and thoughts on this or I might not.”

    Please do. Why would you not write about it? Share any new data at least.

  2. Anonymous says:

    From UK data:
    Among Whites, 38% get an A level of some kind, and 19% get a STEM A Level, and 4% get 3 or more STEM A levels
    Among Caribbeans 28% get an A level of some kind, and 9% get a STEM A level, and <1% get 3 or more STEM A levels

    The top score at A level (360 points) is achieved by 28% of Whites and 9% of blacks

    • Chuck says:

      What year is this from and can you give a source? Assuming a normal distribution those percentile differences come out to:

      A-level: 0.28 standardized units
      STEM A: 0.46 standardized units
      3 or more Stem A: > 0.58 standardized units.
      Top score: 0.76 standardized units

      My point has been that these differences are much smaller than in the US. This isn’t recognized because the results are reported in different units (i.e., percents) Based on the 2006-2010 A level data at the Dfes I derived the following:

      http://occidentalascent.wordpress.com/2012/06/10/the-facts-that-need-to-be-explained/#comment-1724

      Based on the rise in Back and Chinese scores, and the lack of narrowing between these two groups, it seems obvious to me that there’s a push to increase “minority scores.” That the Chinese A-level has increased to 0.7 SD above the white A-level score and rapidly increased in just a few years should give pause to anyone who thinks that these scores are not malleable.

  3. Ambiguous says:

    Hey Chuck, now that you’re around could you say more about what you learned about that UK B/W gap?

  4. I used to be able to find good info from your blog articles.

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