title: Hyperactivity and learning disabilities as independent dimensions of child behavior problems.
mesh_terms: D002648:Child; D002653:Child Behavior Disorders / Q000175:diagnosis*; D006801:Humans; D006948:Hyperkinesis / Q000175:diagnosis*; D007859:Learning Disabilities / Q000175:diagnosis*; D011594:Psychometrics; D011795:Surveys and Questionnaires