High-quality formative assessment data are critical to the successful application of any problem-solving model (e.g., response to intervention). Formative data available for a wide variety of outcomes (academic, behavior) and targets (individual, class, school) facilitate effective decisions about needed intervention supports and responsiveness to…

As part of the national Head Start Planned Variation Study, this study used a relatively small sample in an intensive evaluation of program implementation in one field community using the Tucson Early Education Model (TEEM). A modified Solomon four-group research design formed the organization framework. Evaluation of six TEEM classrooms and two…