Evidence is accumulating that early intervention can be effective in improving the skills of young children with autism spectrum disorder. However, the science is hampered by the lack of agreed "gold standard" tools for the measurement of progress and outcome. What is required is a reliable, valid, and sensitive measure of change in the…

Early intensive behavioral intervention (EIBI) is a well-established treatment for children with autism spectrum disorders (ASD) and is thus widely recommended. However, the content of EIBI programs presumably varies considerably and may not always be tailored to the individual strengths and deficits of each child. Few assessment tools exist (and…

Many researchers and clinicians believe that the therapeutic relationship is essential in bringing about clinical change. Empirical research to support this contention is scarce in part due to the difficulty of specifying and measuring theoretically derived mechanisms of change and the important dimensions of the client-therapist relationship.…

Group process and rating techniques were used to create a scale for measuring severity and frequency of 24 problem behaviors in institutionalized mentally retarded persons. A substantial correlation was found between scores and staff-time allocations, indicating usefulness of the scale as a predictor of staffing requirements for behavior…