Administrators of community-based treatment programs are increasingly being required to utilize psychometrically validated instruments to measure the effectiveness of their interventions. However, developers of psychometric measures have often failed to report strategies relevant to the administration of these measures in nontraditional settings…

Some children with autism have excessive daytime sleep but intervention research for this problem has not been conducted. The present study evaluated procedures with a 13 year old boy who had autism and slept for prolonged periods during the day. Classroom staff at a specialized school implemented procedures with the boy according to an ABAB…

This study explored some practical issues for single-case researchers who rely on visual analysis of graphed data, but who also may consider supplemental use of promising statistical analysis techniques. The study sought to answer three major questions: (a) What is a typical range of effect sizes from these analytic techniques for data from…