Digital Commons Network^™

Identifying Mechanisms Of Change: Utilizing Single-Participant Methodology To Better Understand Behavior Therapy For Youth Depression, Andrew R. Riley

Dissertations

The study’s primary goal was to provide a model for studying therapeutic mechanisms of action at the single-case level. By controlling for non-specific early responses, identifying potential mechanisms of action a priori, taking frequent measures of mechanisms and dependent variables, rigorously evaluating internal validity, and using a variety of analytic methods, a unique model for analysis of potential mediators was created. Eleven depressed youths were recruited to receive first a non-directive therapy (NDT), followed by a behavioral therapy (BT) for those still displaying high levels of symptoms. Four participants responded to NDT. Of the remaining seven, all showed some improvement …