Article
Contrast effects and sex influence maternal and self-report dimensional measures of attention-deficit hyperactivity disorder.
Behavior genetics - 1 Jan 2015
Ebejer J L, Medland S E, van der Werf J, J Wright M, Henders A K, Gillespie N A, Hickie I B, Martin N G, Duffy D L
Abstract excerpt
The heritability of attention-deficit/hyperactivity disorder (ADHD) is higher for children than adults. This may be due to increasing importance of environment in symptom variation, measurement inaccuracy when two raters report behavior of a twin-pair, a contrast effect resulting from parental comparison of siblings and/or dimensionality of measures. We examine rater contrast and sex effects in ADHD subtypes...
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