title: Variations in separation-individuation and implications for play ability and learning as studied in the three-year-old in nursery school.
mesh_terms: D002657:Child Development; D002660:Child Guidance; D002675:Child, Preschool; D002658:Developmental Disabilities / Q000175:diagnosis / Q000628:therapy; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007858:Learning; D008297:Male; D009034:Mother-Child Relations; D009048:Motor Skills; D010988:Play and Playthings; D011573:Psychoanalytic Interpretation; D011574:Psychoanalytic Theory; D011577:Psychodrama; D011594:Psychometrics; D011613:Psychotherapy; D012578:Schools, Nursery; D012917:Social Adjustment; D013559:Symbiosis