Behavioral genetic methods

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Abstract
Traditional behavioral genetic methods involve the use primarily of family, twin, and adoption correlations to estimate the relative contributions of genetic and environmental influences in the etiology of individual differences These methods and representative results for personality are described However, newer methods are emphasized structural models and model–fitting, multivariate analysis, genetic change and continuity in development, shared and non-shared components of environmental variance, and genetic components of “environmental” variation Because most applications of these behavioral genetic methods to the study of personality involve self-report omnibus questionnaires, an important direction for future research in this area is to use these methods to explore new issues and new measures that have emerged from personality theory and research during the past decade