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"+":classified by occupation; 100 %, if classified by test "*": classified only by IQ; classification by occupation gives about 55%; n = 820. "#":some cousins were still to young and did not have full opportunity to become distinguished "-": no data
Sources:Galton, Francis:Hereditary Genius. London 1869, p. 195. 100 famous men (n = 43) of science (mathematics and natural sciences) have famous male relatives.Oden, M. H.: The fullfillment of promise: 40-year follow-up of the Terman gifted group. Genetical Psychology Monographs 77 (1968) 3-93. The mean IQ (transformed to 100;15) of the sample of probands was 146 (n = 724); the cut-off score IQ 137.Brimhall, Dean, R.: Family resemblances among American men of science. The American Naturalist 56 (1922) 504-547; 57 (1923) 74-88, 137-152, and 326-344. In 1915 questionnaires were filled in by 956 distinguished American men of science and their relatives.Weiss, Volkmar:. European Journal for High Ability 5 (1994) 58-67. Highly gifted males (mean IQ 135 +/- 9) and their relatives in professions, typically associated with an IQ above 123.
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cited from: Gilbert, G. M.:. New York: Signet Book 1947, p. 34; Wechsler-Bellevue IQ: Hjalmar Schacht IQ 143, Arthur Seyss-Inquart IQ 141, Hermann Göring IQ 138, Karl Dönitz IQ 138, Franz von Papen IQ 134, Erich Räder IQ 134, Dr. Hans Frank IQ 130, Hans Fritsche IQ 130, Baldur von Schirach IQ 130, Joachim von Ribbentropp IQ 129, Wilhelm Keitel IQ 129, Albert Speer IQ 128, Alfred Jodl IQ 127, Alfred Rosenberg IQ 127, Constantin von Neurath IQ 125, Walter Funk IQ 124, Wilhelm Frick IQ 124, Rudolf Hess IQ 120, Fritz Sauckel IQ 118, Ernst Kaltenbrunner IQ 113, Julius Streicher IQ 106 - "confirming the fact that the most successful men in any sphere of human activity - whether it is politics, industry, militarism or crime - are apt to be above average intelligence."
p. 73-80, Table 6.5:
As shown by Rindermann, combining the scores of the mathematics, readings and science subtest of PISA makes no essential difference against using the mathematical subtest alone, because all subtests of PISA are heavily loaded with general cognitive ability. Transformed in such a way, relative to the mean of the means of UK, Netherlands and New Zealand,. including the reading and science scale into a compound makes no substantial difference. For example, in 2006 the mean of Germany on the reading scale is IQ 98, on the science scale IQ 99, on the mathematical scale IQ 98. Essentially, all three scales of PISA measure general intelligence.
As I came to this insight in 2002, I submitted a paper to the relevant journals of the German Society of Psychology. The paper was not only rejected, but in such a dubious and offending way that, for the first time in such a case, I protested to the Executive Board of this Society. Of course in vain, and I left the Society with contempt at the end of 2002.
As it seems, there were only three psychologists all over Germany who did not believe that my paper and claims were the product of an incorrigible crank. One of the three was Heiner Rindermann. In the following years he extended the basic idea. The data and quality of his extraordinary publications are a great satifisfaction for me. A comparing glance over the Lynn and Vanhanen, Rindermann und transformed PISA data shows a downward trend of IQ in many industrial countries, including France, Italy, Germany and the UK. Of course, in the comments of the officals of education and social policy such trends do not exist.
Programme for International Student Assessment (PISA) scores are the test results of representative samples of 15-years olds. Moreover, from 2000 to 2003 all original PISA means show an increase of 3 PISA points because Turkey was included in 2003 in order to calculate the OECD mean, but not in 2000.
God keep alive the simplemindedness of the ministries of education and the officials of PISA all over the world! In 2006, for the first time, they have provided us with representative IQ data of Romania and Kyrgyzystan, and we should be happy about this. If they would understand what they measure, this would mean the end of the PISA studies, I am afraid.
In many countries the trend is clearly downwards. Comparing the second book by Lynn and Vanhanen: IQ and Global Inequality. Augusta, GA 2006, with the data sets by Rindermann (2007), we find 41 countries with IQ data sets with both mean birth years of subjects before and after 1960. Mean birth year of the subjects of the studies before 1960 was 1949, mean IQ 94. According to Rindermann (2007) the following generation in these 41 countries has a mean IQ of 92. - There remain some open questions of possible bias: For example, to what extent are the children of gypsies, many of them attending special schools, included in the sample of the Czech Republic? In most countries, the growing numbers of children attending special schools for the disabled and very low IQ subjects are not included into the PISA samples.
Dear "La Griffe du Lion", I became aware of your smart fraction theory of "IQ and the Wealth of Nations". This is exciting! From a different body of empirical data Arthur Jensen and I came to the conclusion (see ) that in social reality a threshold exists about IQ 105. From the major gene theory of IQ follows that the frequency m2 of the dull allele M2 is the square root of (1 - f), where f is your "smart fraction". The frequency of the bright allele m1 = (1 - m2). The smart fraction f follows from the Hardy-Weinberg-Law m1 power 2 + 2 m1 m2 + m2 power 2, where f = m1 power 2 + 2 m1m2. From your "Table of IQs, smart fractions and GDP" the national frequencies for M1 and M can easily be calculated. For the Congo the frequency of M1 is near zero, for Singapare near 0,20, which is my estimate for highly developed Eurasian populations. The power of a nation does not depend of its mere number, but of the number of its cognitive elite. This is the lesson learned from your data and a fact which I have never doubted.
Weiss, Volkmar:. Intelligence 20 (1995) 115-124 (Editorial).
Towers, Grady M.:
Other
A collection of articles on
Dean K. Simonton, links to
for the mean IQ of Jews see also
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