Abstract
Despite over a century of research, psychologists have still not established scientific talent as an empirically demonstrable phenomenon. To help solve this problem, a talent definition was first proposed that provided the basis for three quantitative estimators of criterion heritability that can be applied to meta-analytic and behavior genetic research concerning the intellectual and personality predictors of scientific training and performance. After specifying the ideal data requirements for the application of the three estimators, the procedures were applied to previously published results. Personality traits were illustrated with the use of the California Psychological Inventory and the Eysenck Personality Questionnaire with respect to two criteria (scientists versus nonscientists and creative scientists versus less creative scientists) and intellectual traits with the use of the Miller Analogies Test with respect to seven criteria (graduate grade-point average, faculty ratings, comprehensive examination scores, degree attainment, research productivity, etc.). The outcome provides approximate, lower-bound estimates of the genetic contribution to scientific training and performance. Subsequent discussion concerns what future research is necessary for a more complete understanding of scientific talent as an empirical phenomenon.
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