The magnitude and prevalance of significant regressed discrepancies at common test values
IFSP Critique 151
WHITE, K. (1985). Efficacy of early intervention. Journal of Special Education, 19, 401-416.
W m , K., & CASTO, G. (1985). An integrative review of early intervention efficacy studies with at-risk children:
Implications for the handicapped. Analysis and Intervention in Developmental Disabilities, 5 , 177-201.
WIEGERINK, R., COMFORT, M. (1987). Parent involvement: Support for fami
