We conducted a meta-analysis of single-case research design (SCRD) studies on functional communication training (FCT). First, we used the What Works Clearinghouse (WWC) Standards to evaluate each study. Next, we calculated effect sizes using Tau-U. Then, we aggregated the effect sizes across the studies to produce an omnibus effect size. Results…

This article provides a review of current literature on the comparative validity of different functional assessment and analysis strategies. It describes functional assessment as an outcome-driven process and explains observational assessment strategies and using assessment information to plan interventions. A proposed process for teachers and…