Baker, A. J. L., & Piotrkowski, C. S. (1993). The effects of participation in HIPPY on children’s classroom adaptation: Teacher ratings. New York: National Council of Jewish Women, Center for the Child. Model(s): Home Instruction for Parents of Preschool Youngsters (HIPPY)® Does not pass screens Study Passes Screens; The text of this study did not arrive in time for the review. Study reviewed under: Handbook of Procedures and Standards, Version 1