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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Clin Psychol Sci. 2014 Jul 15;3(2):189–201. doi: 10.1177/2167702614534211

Table 2. Variance explained (R2) in subclinical externalizing behavior and impulsivity-related traits as a function of polygenic scores.

Measure Adolescents Young Adults
Achenbach externalizing 0.05 0.01
Barratt Impulsiveness 0.07 0.03
Conscientiousness 0.02 0.00
Sensation seeking 0.01 0.02

Note. Bolded values significant at p < .05. Bolded and italicized values significant at p ≤ .01.