There was some talk on Twitter around prison rates and inequality: https://twitter.com/JayMan471/status/553912823215325184 And IQ and inequality: https://twitter.com/KirkegaardEmil/status/553937263953190912 But then what about prison data beyond those given above? I have downloaded…
The most direct way to test this is to employ latent variable modeling (SEM/CFA) and correlate the general factors from different IQ batteries. Below I quote the abstracts from all…
I read this study: Palejwala, M. H., & Fine, J. G. (2015). Gender differences in latent cognitive abilities in children aged 2 to 7. Intelligence, 48, 96-108. It reminded me…
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…
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…