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Meta
Monthly Archives: September 2013
IQ Testing : From Correlation to Causation
It is well known and acknowledged that IQ correlates with social outcomes (Herrnstein & Murray, 1994; Jensen, 1980, 1998; Gottfredson, 1997), measures of health (Gottfredson, 2004, & Deary, 2004; Reeve & Basalik, 2010), wages (Jones & Schneider, 2008), savings (Jones, 2012), job performance (Ree & Earles, 1994; Schmidt … Continue reading
Jensen effect on racial IQ differences and GPA controlling for SES in the NLSY79 and NLSY97
In The g Factor, Jensen (1998, pp. 384-385) states that because races differ in SES levels, the Spearman-Jensen effect (i.e., g-loading correlates) found in racial IQ differences (hispanics, denoted H; blacks, denoted B; whites, denoted W) could simply reflect this … Continue reading
Posted in IQ Survey & Analysis, Psychometrics
Tagged IQ
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Genetic similarity, human altruism, and group selection
Genetic similarity, human altruism, and group selection J. Philippe Rushton (1989) Abstract: A new theory of attraction and liking based on kin selection suggests that people detect genetic similarity in others in order to give preferential treatment to those who … Continue reading
Posted in Behavioral Genetics
Tagged Psychology
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Jensen effect on black-white differences and GPA controlling for parental SES (NLSY97 SPSS syntax)
Read the corresponding article here. As a reminder, it must be said that ASVAB subtests variables are composed of positive and negative scores. They must be summed together, but before doing this, the negative variables must be reversed (multiply the variable … Continue reading
Posted in Stats, Softwares, Syntax
Tagged SPSS
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Jensen effect on black-white differences and GPA controlling for parental SES (NLSY79 SPSS syntax)
Read the corresponding article here.
Posted in Stats, Softwares, Syntax
Tagged SPSS
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A Further Comment on the Meta-Analytic Jensen Effect on Heritability and Environmentality of Cognitive Tests
I discussed at length the results at Human Varieties. I will simply add some more important comments here. A lot of problems must be highlighted. Although large positive g*h2 and modest negative g*c2 correlations were found, heterogeneity of effect sizes … Continue reading
Posted in Psychometrics
Tagged IQ
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Investigation of the relationship between mental retardation with heritability and environmentality of the Wechsler subtests
The present analysis is an extension of Spitz’s earlier (1988) study on the relationship between mental retardation (MR) lower score and subtest heritability (h2) and g-loadings. These relationships were found to be positive. But Spitz himself haven’t tested the possibility … Continue reading
Posted in Psychometrics
Tagged IQ
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Women : Money and Lie
While it is true that women generally seek to marry rich men for a purpose well understood in evolutionary psychology, chinese women seem to have another goal. They simply love money. This is not to say that it represents a … Continue reading
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