The use of systematic direct observation offers several advantages as a behavioral assessment method including enhanced objectivity of measurement, the ability to account for the environmental context, and the facilitation of local comparisons. The Classroom Observation of Engagement, Disruptive, and Disrespectful Behavior (COEDD) was designed to…

Although generalizability theory has been used increasingly in recent years to investigate the dependability of behavioral estimates, many of these studies have relied on use of general education populations as opposed to those students who are most likely to be referred for assessment due to problematic classroom behavior (e.g., inattention,…