Researchers and practitioners often employ timeout procedures to manage inappropriate classroom behavior. When implemented inappropriately, however, timeout can result in dangerous situations and have received increased scrutiny (i.e., seclusion). The timeout ribbon procedure can prevent some of the dangerous situations associated with other forms…

The present study uses the PEM approach to synthesize the effectiveness of treatment on disruptive behaviors and simultaneously tests whether the higher validity of the PEM approach than that of the PND approach is repeatable. A hand search of the "Journal of Applied Behavior Analysis" was conducted, and reference lists from reviewed articles were…