This document discusses misbehaviors in the classroom and behavior modification. It defines misbehaviors as actions that compete with instruction and draw attention away from learning. Four types of misbehaviors are described: attention-getting behaviors, power-seeking behaviors, revenge behaviors, and displays of inadequacy. The document also outlines strategies for behavior modification, including identifying the target behavior, understanding the context of the behavior, and knowing what reinforces individual students. The overall purpose is to help teachers change disruptive behaviors and attain a constructive learning environment.