Problems of discipline in early childhood.
D001521:Behavior Therapy; D002653:Child Behavior Disorders / Q000628:therapy*; D002660:Child Guidance; D002668:Child Rearing; D002675:Child, Preschool; D003376:Counseling; D005260:Female; D006801:Humans; D008297:Male; D010287:Parent-Child Relations; D010290:Parents / Q000193:education; D012054:Reinforcement, Psychology