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Tobias Wolfram; Damien Morris – npj Science of Learning, 2023
Estimates of shared environmental influence on educational attainment (EA) using the Classical Twin Design (CTD) have been enlisted as genetically sensitive measures of unequal opportunity. However, key assumptions of the CTD appear violated for EA. In this study we compared CTD estimates of shared environmental influence on EA with estimates from…
Descriptors: Twins, Family Environment, Differences, Educational Attainment
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Nikstat, Amelie; Beam, Christopher R.; Riemann, Rainer – Developmental Psychology, 2023
Behavior genetic methods are useful for examining mechanisms underlying the interaction between genetic and family environmental factors of internalizing problem behavior (INT). Previous twin studies, however, have shown little consistency in interaction patterns, depending on type and operationalization of measured environments. The aim of the…
Descriptors: Genetics, Family Environment, Behavior Problems, Interaction