The recent news about what is sometimes called ‘race norming’ managed to avoid drawing attention to the fact that the practice has been common for years when trying to disguise the results of intelligence tests taken by various ethnicities.
https://www.independent.co.uk/news/world/americas/what-is-race-norming-nfl-concussion-b1859231.html
https://www.newsweek.com/test-cases-how-race-norming-works-204108
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