IQ differences of identical twins reared apart are significantly influenced by educational differences

Over the last century, several large studies have been published exploring IQ differences amongst monozygotic (MZ) twins reared apart (TRA). By and large, this work has reported that MZ TRAs differ in IQ by ~8.0 points and demonstrate and intraclass correlation (ICC) of ~0.75. Unfortunately, this pr...

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Bibliographic Details
Main Authors: Jared C. Horvath, Katie Fabricant
Format: Article
Language:English
Published: Elsevier 2025-07-01
Series:Acta Psychologica
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0001691825003853
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