This study examined dimensions of treatment integrity, specifically program differentiation, within the context of a kindergarten reading intervention study. The study explored the relationship between program differentiation and student outcomes. The study was conducted within the context of Project Early Reading Intervention (ERI), a four-year…

"Success for All" (SFA) is one of the best known and thoroughly evaluated school reform models. Further evaluation of the initiative is especially important for two reasons. First, the program model has continued to evolve over time, with a greater emphasis placed on the use of engaging technology in the classroom and on the deployment…