Successful implementation of evidence-based educational practices at scale is of great importance but has presented significant challenges. In this article, the authors address the following questions: How does the level of on-site technical assistance affect student outcomes? Do teachers' fidelity of treatment implementation and their perceptions…

This study determined the effectiveness of Kindergarten Peer-Assisted Learning Strategies (K-PALS) for English Learners (ELs). We compared 20 K-PALS ELs to 20 Control ELs and to 20 K-PALS non-ELs on early reading skill acquisition, using a pretest-posttest control group design with matched samples. We also compared proportions of ELs unresponsive…