Guralnick, M. (1989). Recent developments in early intervention efficacy research: Implications for family involvement in PL 99–457. Topics in Early Childhood Special Education, 9(3), 1–17.
2.
Harris, S. (1997). The effectiveness of motor intervention for children with cerebral palsy and related motor disabilities. In M.J. Guralnick (Ed.), The effectiveness of early intervention.Baltimore, MD: Brookes.
3.
Horn, E. M., Jones, H. A. & Warren, S. F. (1998). The effects of a neurobehavioral intervention on motor skill acquisition and generalization. Journal of Early Intervention.
4.
Mahoney, G., Boyce, G., Fewell, R., Spiker, D., Wheeden, C. A. (1998). The relationship of parent-child interaction to the effectiveness of early intervention services for at-risk children and children with disabilities. Topics in Early Childhood Special Education, 18(1), 5–17.
5.
Palmer, F. B., Shapiro, B. K., Wachtel, R. C., Allen, M. C., Hiller, J. E., Harryman, M. S., Mosher, B. S., Meinert, C. L., Capute, A. J. (1988). The effects of physical therapy on cerebral palsy. The New England Journal of Medicine, 318(13), 803–808.
6.
Shonkoff, J. & Hauser-Cramm (1987). Early intervention for disabled infants and their families. Pediatrics, 80, 650–658.
