This article describes the core features of outcome research and then explores issues confronting researchers who engage in outcome studies. Using an intervention research perspective, descriptive and explanatory methods are distinguished. Emphasis is placed on the counterfactual causal perspective, designing programs that fit culture and context,…

A computerized teacher/advisor for a Classwide Peer Tutoring Program was developed, and initial tests were conducted. This paper reports the development of the system and results of two small-scale tests of its accuracy and its use by teachers. Implications of combining behavioral and computer technology in assessing fidelity of treatment are…