The most efficacious psychosocial intervention for reducing attention-deficit/hyperactivity disorder (ADHD) symptoms in young children is behavioral parent training (BPT). Potential benefits are hindered by limited accessibility, low session attendance, and poor implementation of prescribed strategies. As a result, only approximately half of…

This article describes a 5-step model of intervention research. From lessons learned in our work, we develop an outline of core activities in designing and developing social programs. These include (a) develop problem and program theories; (b) design program materials and measures; (c) confirm and refine program components in efficacy tests; (d)…