A longitudinal evaluation of the Child and Family Resource Program (CFRP) was conducted to describe programs and their operations, identify program models, link family outcomes to participation or nonparticipation, and relate family outcomes to aspects of CFRP treatment and family characteristics. An experimental design supplemented by descriptive and qualitative methodologies was employed. This final report assesses the effects and effectiveness of the program's 3-year infant/toddler component, the main focus of the evaluation. Chapter 1 provides an overview of CFRP and the evaluation, while chapters 2 through 4 provide a portrait of CFRP in operation. Chapter 5 deals with the effects of CFRP, and chapter 6 assesses the effects of different degrees of participation within the CFRP group and investigates whether the program had different effects for different types of families with potentially different patterns of need. (Chapters 5 and 6 are nontechnical and are addressed to the general reader.) Chapter 7 summarizes the main findings, conclusions, and implications for policy and program management of the 5-year evaluation. Finally, a methodological appendix addressed to the technical reader amplifies the brief description of the study's statistical methods and results provided in Chapters 5 and 6, specifically providing discussion of measurement instruments and their administrative and psychometric properties, sample attrition and its analytic consequences, and the various statistical approaches used in data analysis. The appendix also presents some representative statistical findings. (RH)