Key points are not available for this paper at this time.
Deanna S. Gomby, Patti L. Culross, Richard E. Behrman, Home Visiting: Recent Program Evaluations: Analysis and Recommendations, The Future of Children, Vol. 9, No. 1, Home Visiting: Recent Program Evaluations (Spring - Summer, 1999), pp. 4-26
Gomby et al. (Fri,) studied this question.