Curriculum-based measurement Reading (CBM-R) is an assessment procedure used to evaluate students' relative performance compared to peers and to evaluate their growth in reading. Within the response to intervention (RtI) model, CBM-R data are plotted in time series fashion as a means modeling individual students' response to varying levels of…

The purpose of this paper is to present the types of measures that may be used to describe intervention effects from single subject designs. A regression approach and several non-regression approaches are described. Non-regression approaches include Standard Mean Difference, Percentage of Non-Overlapping Data, Percent Reduction, and Percentage…

To investigate the generalizability of the results of single-case experimental studies, evaluating the effect of one or more treatments, in applied research various simultaneous and sequential replication strategies are used. We discuss one approach for aggregating the results for single-cases: the use of hierarchical linear models. This approach…

This article discusses a solution-oriented and incremental approach to solving major social problems. If we are to solve important social problems such as child abuse, delinquency, and illiteracy, researchers need to generate effective programs that can be replicated and social service providers need to implement those programs with fidelity. The…

Fifty years after the publication of Skinner's "Verbal Behavior", some possibilities for the future of Skinner's "science of verbal behavior" are considered. Specifically, certain areas of development or advancement are examined which might be of special importance to the expansion and influence of the functional analysis of verbal behavior.…

In the past two decades, numerous meta-analyses have been published that examine the question of psychotherapy equivalence. Hunsley and Di Giulio (2002) critically reviewed this literature and concluded that there was abundant evidence that the Dodo bird verdict of equivalence across psychotherapies is false. In this article, we summarize and…