Overlap-based measures are increasingly applied in the synthesis of single-subject research. This article considers two criticisms of overlap-based metrics, specifically that they do not measure magnitude of effect and do not adequately correspond with visual analysis. It is argued that these criticisms are based on fundamental misconceptions…

This article investigates the quality of social scientific listening research that reports numerical data to substantiate claims appearing in the "International Journal of Listening" between 1987 and 2011. Of the 225 published articles, 100 included one or more studies reporting numerical data. We frame our results in terms of eight…

The Daily Behavior Report Card is an intervention showing promise in various formats and in multiple settings. A meta-analysis evaluated the size of effects obtained from Daily Behavior Report Card interventions within single case research designs, investigating six potential moderators of treatment effects: student age, target behavior,…

Methods for estimating effect sizes when complete data are not reported are presented. When not precise, these methods provide a conservative estimate and, therefore, allow for the inclusion in a meta-analysis of relevant studies whose data might otherwise be discarded. (Author/PN)