Introduction This is a post in the on-going series of comments on studies of international/transracial adoption. A global genetic/hereditarian model of cognitive differences and their socioeconomic effects implies that adoptees from different populations/countries/regions should show the usual group differences in the above mentioned traits and outcomes, all else equal. All else is of course not […]

Study PDF. Abstract I analyze the S factor in Chinese province-level units using data obtained from Lynn and Cheng (2013) as well as new data obtained from the Chinese statistical agency. I find that S correlates .42 with IQ, Han% with IQ at .59, and Han% with S at .48. Key words: intelligence, IQ, cognitive […]