Getting personality right

This post covers some stuff already covered by others, but more briefly. Two studies of interest: Riemann, R., Angleitner, A., & Strelau, J. (1997). Genetic and Environmental Influences on Personality: A Study of Twins Reared Together Using the Self- and Peer Report NEO-FFI Scales. Journal of Personality, 65(3), 449–475. doi.org/10.1111/j.1467-6494.1997.tb00324.x Connelly, B. S., & Ones,…

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Cognitive ability, surveys and measurement error: possible bias in GxE studies

I saw this paper at random: The consequences of heavy alcohol use remain a serious public health problem. Consistent evidence has demonstrated that both genetic and social influences contribute to alcohol use. Research on gene-environment interaction (GxE) has also demonstrated that these social and genetic influences do not act independently. Instead, certain environmental contexts may…

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Measurement error and behavioral genetics in criminology

I am watching Brian Boutwell’s (Twitter, RG) talk at a recent conference and this got me thinking. What are we measuring? As far as I know, there are typically two outcome variables used in criminological studies: Official records convictions. Self-reported criminal or anti-social behavior. But exactly what trait are we trying to measure? It seems…

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