One of the most important factors affecting the use of evidence for policy or practice is the uncertainty of study results. Furthermore, this uncertainty is compounded by our increasing awareness of heterogeneous treatment effects. Here we inform debate about the strength of study evidence by quantifying the conditions necessary to nullify an…

A major challenge for juvenile correctional facilities (JCF) is providing literacy instruction to a transitory student population with a wide range of literacy abilities. The purpose of this study was to identify unique literacy profiles of students in long-term JCF taking into consideration their reading abilities, language abilities,…

We evaluated the impact of a supplemental, small-group kindergarten vocabulary intervention designed to reinforce content taught in core classroom instruction implemented within a multitiered system of support (MTSS) framework. Kindergarten teachers implemented a published vocabulary program with all their students during whole-class instruction…