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Top 10 Replicated Findings From Behavioral Genetics

Research output: Contribution to journalArticle

R. Plomin, J. C. Defries, V. S. Knopik, J. M. Neiderhiser

Original languageEnglish
Pages (from-to)3-23
JournalPerspectives On Psychological Science
Issue number1
Publication statusPublished - 1 Jan 2016


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    Plomin_et_al_PPS_24_Oct_2015_5_.docx, 731 KB, application/vnd.openxmlformats-officedocument.wordprocessingml.document


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In the context of current concerns about replication in psychological science, we describe 10 findings from behavioral genetic research that have replicated robustly. These are “big” findings, both in terms of effect size and potential impact on psychological science, such as linearly increasing heritability of intelligence from infancy (20%) through adulthood (60%). Four of our top 10 findings involve the environment, discoveries that could have been found only with genetically sensitive research designs. We also consider reasons specific to behavioral genetics that might explain why these findings replicate.

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