Paper: The Rhetoric and Reality of Gap Closing (Stephen J. Ceci & Paul B. Papierno)

The rhetoric and reality of gap closing—when the “have-nots” gain but the “haves” gain even more. Abstract Many forms of intervention, across different domains, have the surprising effect of widening…

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Review: The g Factor (Arthur Jensen)

The g factor, the science of mental ability - Arthur R. Jensen, ebook download pdf free   This is a very interesting book. Without a doubt the best about intelligence…

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Paper: Intelligence and semen quality are positively correlated

Intelligence and semen quality are positively correlated Human cognitive abilities inter-correlate to form a positive matrix, from which a large first factor, called ‘Spearman's g’ or general intelligence, can be…

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Review of The 10000 year explosion (Gregory Cochran and Henry Harpending)

The 10000 year explosion - Gregory Cochran and Henry Harpending, download, free, ebook, pdf   This is a nontechnical overall introduction to how human evolution has happened. it mentions a…

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Review and thoughts: Intelligence: A Unifying Construct for the Social Sciences (Richard Lynn and Tatu Vanhanen, 2012)

Richard Lynn was so kind to send me a signed copy of his latest book. i immediately paused the reading of another book to read this one. some comments and…

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Thoughts about Ashraf and Galor (2012)

Via Steve Sailer. The Out of Africa Hypothesis, Human Genetic Diversity, and Comparative Economic Development Quamrul Ashraf and Oded Galor Abstract This research advances and empirically establishes the hypothesis that,…

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