Some environmental and familial correlates and antecedents of hyperactivity.
D000124:Achievement; D001289:Attention Deficit Disorder with Hyperactivity / Q000523:psychology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D009042:Motivation; D010287:Parent-Child Relations; D012106:Research; D012931:Social Environment