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Robustness Analysis of African Genetic Ancestry in Admixture Regression Models of Cognitive Test Scores
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Published December 1, 2021
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May 10, 2022
Fuerst regresses cognitive test scores on proportion of African ancestry, plus a large set of confounds. The Black-White test score gap is mostly explained by genetic variation associated with African ancestry.
"Several recent admixture regression studies find that proportion of African genetic ancestry has strong explanatory power for cognitive ability test scores. This paper applies stratified sub-sampling to explore the possibility that potential model mis-specification and/or variable mis-measurement underlies this empirical finding. The estimated coefficient on African ancestry is not significantly changed when the sample is stratified by low socioeconomic status/high socioeconomic status, Hispanic/non-Hispanic, Black-only/Black-White biracial, or Black/White racial group self-identification."
Image: Vincent van Gogh, First Steps, after Millet, 1890.
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