Ontology highlight
ABSTRACT:
SUBMITTER: Derks EM
PROVIDER: S-EPMC2226020 | biostudies-other | 2008 Jan
REPOSITORIES: biostudies-other
Derks Eske M EM Hudziak James J JJ Dolan Conor V CV van Beijsterveldt Toos C E M TC Verhulst Frank C FC Boomsma Dorret I DI
Behavior genetics 20071212 1
<h4>Objective</h4>The assessment of symptoms of ADHD in children is usually based on a clinical interview or a behavior checklist. The aim of the present study is to investigate the extent to which these instruments measure an underlying construct and to estimate the genetic and environmental influences on individual differences in ADHD.<h4>Methods</h4>Maternal ratings were collected on 10,916 twins from 5,458 families. Child Behavior Checklist (CBCL) ratings were available for 10,018, 6,565, an ...[more]