This article discusses evidence for functional behavioral assessment (FBA) procedures in terms of the meaning and interpretation of different forms of reliability and validity in FBA. It concludes that additional research needs to be conducted with various target behaviors across different settings to support the continued use of FBA. (Contains…

This paper presents the outcomes of a study that investigated the psychometric properties of the School Independence Measure (SIM), an assessment designed to evaluate functional performance in a school setting and to monitor changes in function over time. The SIM operationally defines and criterion references tasks essential to a child's…