The Classroom Strategies Assessment System-Observer Form (CSAS-O) is a classroom observational system that combines direct observations and rating scales to assess teacher instructional and behavioral management practices, inform goals, plan professional development interventions, and monitor progress. CSAS-O Strategy Rating Scales yield scores…

This article offers a rationale for the contributions of qualitative research to evidence-based practice in special education. In it, I make the argument that qualitative research encompasses the ability to study significant problems of practice, engage with practitioners in the conduct of research studies, learn and change processes during a…

Evidence-based approaches to assessment design, development, and administration provide a strong foundation for an assessment's validity argument but can be time consuming, resource intensive, and complex to implement. This article describes an evidence-based approach used for one assessment that addresses these challenges. Evidence-centered…

Universal screening measures can be used to identify students at risk academically due to learning disabilities or other difficulties. Research and legislation support the use of screening measures early in students' education to ensure they receive any supports necessary to bolster their academic achievement. When selecting a screening measure,…