New paper out: The personal Jensen coefficient does not predict grades beyond its association with g

Found null results for a proposed metric (actually two). In the spirit of publishing failed ideas, I wrote this up. Abstract General intelligence (g) is known to predict grades at…

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Meisenberg’s new book chapter on intelligence, economics and other stuff

G.M. IQ & Economic growth I noted down some comments while reading it. --- In Table 1, Dominican birth cohort is reversed.   “0.70 and 0.80 in world-wide country samples.…

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Does conscientiousness predict PISA scores at the national level? A cautious meta-analysis

Just a quick write-up before I write up a paper with this for ODP. Introduction Altho general cognitive ability (g) has received the most attention by differential psychologists, personality receives…

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Causal effect of education on IQ scores using the discordant twin design?

Recently, the twin-control design has been used to test causal models (e.g. exercise→happiness, exercise→¬depression/anxiety symptoms, casual sex→depression/suicidal thoughts). The theory is simple. Suppose we do a standard cross-sectional design study…

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Comment on CPGGrey’s new video on the future of automatization

https://www.youtube.com/watch?v=7Pq-S557XQU Posted on reddit.   This is your best film yet, and that says something. For automatization for clinical decisions, it has been known for decades that simple algorithms are…

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Bouchard’s new review paper on Genes, Evolution, Intelligence is excellent!

Seriously. Read it. Behavior Genetics (Impact Factor: 2.61). 03/2014; DOI: 10.1007/s10519-014-9646-x Source: PubMed ABSTRACT I argue that the g factor meets the fundamental criteria of a scientific construct more fully than…

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