Aronson, M., & Fällström, K.Immediate and long-term effects of developmental training in children with Down's syndrome.Developmental Medicine and Child Neurology,1977, 19, 489–494.
2.
Beller, E.K.Early intervention programs. In J. Osofsky (Ed.), Handbook of infant development.New York: Wiley, 1979.
3.
Berk, R.A. (Ed.). Educational evaluation methodology: The state of the art.Baltimore, Md.: Johns Hopkins Press, 1981.
4.
Bricker, D., Carlson, L., & Schwarz, R.A discussion of early intervention for infants with Down's syndrome.Pediatrics,1981, 67, 45–46.
5.
Bryk, A.S., & Light, R.J.Designing evaluations for different program environments. In R.A. Berk (Ed.), Educational evaluation methodology: The state of the art.Baltimore, Md.: Johns Hopkins Press, 1981.
6.
Denhoff, E.Current status of infant stimulation or enrichment programs for children with developmental disabilities.Pediatrics,1981, 67, 32–37.
7.
Ferry, P.C.On growing new neurons: Are early intervention programs effective?Pediatrics,1981, 67, 38–41.
8.
Gillette, H.E.Systems of therapy in cerebral palsy.Springfield, Ill.: Charles C Thomas, 1969.
9.
Hayden, A., & Haring, N.Early intervention for high risk infants and young children: Programs for Down's syndrome children. In T.D. Tjossem (Ed.), Intervention strategies for high risk infants and young children.Baltimore, Md.: University Park Press, 1976.
10.
Miller, L.B., & Dyer, J.L.Four preschool programs: Their dimensions and effects.Monographs of the Society for Research in Child Development,1975, 40 (5–6, Serial No. 162).
11.
Piper, M.C., & Pless, L.B.Early intervention for infants with Down's syndrome: A controlled clinical trial.Pediatrics,1980, 66, 83–89.
12.
Shearer, D.E., & Shearer, M.S.The Portage Project: A model for early childhood intervention. In T.D. Tjossem (Ed.), Intervention strategies for high risk infants and young children.Baltimore, Md.: University Park Press, 1976.