Teachers' implementation of differentiated supplemental instruction is critical to help students with or at risk for reading-related disabilities acquire early reading and vocabulary skills. This study represents an initial investigation of whether classroom teachers' intervention fidelity (exposure, adherence, and quality) of targeted reading…

The purpose of this paper is to describe the implementation of an evidence-based treatment, the Incredible Years® (IY) Small Group Dina Dinosaur Treatment program, as delivered in elementary schools to address the needs of children in kindergarten through second grade with self-regulation difficulties. Adaptations for school-based delivery of 17…

The purpose of this study was twofold: (1) to determine the efficacy of the Leveled Literacy Intervention program (LLI) in increasing reading achievement for K-2 students and (2) to examine LLI program implementation fidelity. This study evaluated LLI in two U.S. school districts and used a mixed-method design to address the following key research…