title: Biasing of hyperkinetic behavior ratings by diagnostic reports: effects of observer training and assessment method.
mesh_terms: D001290:Attitude; D002675:Child, Preschool; D006801:Humans; D006948:Hyperkinesis / Q000175:diagnosis* / Q000523:psychology; D008297:Male; D012107:Research Design; D013239:Stereotyped Behavior; D014743:Videotape Recording