Reliability of direct observation outcomes ensures the results are consistent, dependable, and trustworthy. Typically, reliability of direct observation measurement approaches is assessed using interobserver agreement (IOA) and the calculation of observer agreement (e.g., percentage of agreement). However, IOA does not address intraobserver…

Intended for teachers of severely emotionally disturbed children, the article reviews the various components of case histories and clinical observations, focusing on how to read the material and ferret out the important issues that will help in planning classroom strategies. A case history of an autistic boy is presented to illustrate the process.…