https://www.goodreads.com/book/show/23621169-the-roma Richard Lynn is so nice to periodically send me books for free. He is working on establishing his publisher, of course, and so needs media coverage. In this case,…
For those who have been living under a rock (i.e. not following my on Twitter), John Fuerst have been very good at compiling data from published research. Have a look…
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…
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.…
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…
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…
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…
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…
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…
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…