title: Effects of institutionalization on retarded children: a longitudinal cross-institutional investigation.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002674:Child, Institutionalized; D003365:Costs and Cost Analysis; D005260:Female; D006276:Health Facility Size; D006801:Humans; D007100:Imitative Behavior; D008607:Intellectual Disability / Q000145:classification / Q000235:genetics / Q000534:rehabilitation*; D007361:Intelligence Tests; D008297:Male; D009042:Motivation; D011610:Psychosocial Deprivation; D012056:Reinforcement, Social; D012107:Research Design; D012112:Residential Facilities; D012931:Social Environment; D013997:Time Factors; D014705:Verbal Behavior