Social development in infancy: a 25-year perspective.
Parke
R D
RD
Department of Psychology, University of Illinois, Champaign-Urbana 61820.
D002657:Child Development; D006801:Humans; D007223:Infant; D007398:Interpersonal Relations; D011582:Psychological Theory; D002666:Psychology, Child; D012107:Research Design; D012919:Social Behavior