1. The strategic use of parallel play;Bakeman;Child Development,1980
2. Blank, H., Schulman, K., & Ewen, D. (1999). State prekindergarten initiatives, 1998–1999 (Executive summary). Available from the Children’s Defense Fund, 25 E Street, NW, Washington, DC.
3. Bredekamp, S., & Copple, C. (1997). Developmentally appropriate practice in early childhood programs (Rev. ed.). Washington, DC: National Association for the Education of Young Children.
4. Relations between teacher and classroom activity variables and the classroom behaviors of prekindergarten children in Chapter 1 funded programs;Bronson;Journal of Applied Developmental Psychology,1995
5. Family and classroom correlates of Head Start children’s developmental outcomes;Bryant;Early Childhood Research Quarterly,1994