International general factor of personality? yes, but…
I merged the dataset from Schmitt et al (2007)'s paper about OCEAN traits in 56 countries with the rest of the megadataset. Then i extracted the first factor of the…
New paper out: Crime, income, educational attainment and employment among immigrant groups in Norway and Finland
http://openpsych.net/ODP/2014/10/crime-income-educational-attainment-and-employment-among-immigrant-groups-in-norway-and-finland/ Abstract I present new predictive analyses for crime, income, educational attainment and employment among immigrant groups in Norway and crime in Finland. Furthermore I show that the Norwegian data…
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…
Assortative mating for general intelligence: A meta-analysis
Can we crowd-fund a meta-analysis? Simply find studies that report summary statistics, and add them to the dataset. The data so far: Study N r Willoughby (1927, 1928), A 90…
The hereditarian hypothesis is almost certainly true
And I'm not even referring to the latest results from any Pifferian methods (e.g. this). Currently there are many large GWAS for IQ/educational attainment/other g proxies that have data gathered…
Rinderman’s 2013 survey of experts in intelligence research
I was planning to re-do the Snyderman et al survey from 1987, but someone beat me to it (very nice). 2013 survey of expert opinion on intelligence
The g factor in autistic persons?
Check http://www.ncbi.nlm.nih.gov/pubmed/19572193 Eyeballing their figure seems to indicate that the g factor is much less strong in these children. A quick search on Scholar didn't reveal any studies that investigated…
Comments on Learning Statistics with R
So I found a textbook for learning both elementary statistics much of which i knew but hadnt read a textbook about, and for learning R. http://health.adelaide.edu.au/psychology/ccs/teaching/lsr/ book is free legally…
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…
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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