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Perspect Psychol Sci. 2016 Jan;11(1):3-23. doi: 10.1177/1745691615617439.

Top 10 Replicated Findings From Behavioral Genetics.

Author information

1
Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London robert.plomin@kcl.ac.uk.
2
Institute for Behavioral Genetics, University of Colorado.
3
Department of Psychiatry, Rhode Island Hospital, Providence, Rhode Island, and Departments of Psychiatry and Human Behavior and Behavioral and Social Sciences, Brown University.
4
Department of Psychology, The Pennsylvania State University.

Abstract

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.

KEYWORDS:

DNA; cognitive abilities; heritability; personality; psychopathology

PMID:
26817721
PMCID:
PMC4739500
DOI:
10.1177/1745691615617439
[Indexed for MEDLINE]
Free PMC Article

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