Social withdrawal is one symptom displayed by students categorized as "internalizers," who may also experience anxiety and depression. These are the quiet, invisible students. Internalizing disorders can negatively affect a student's academic performance, physical health, future psychological adjustment, and employment opportunities. Supportive…

There is little research regarding interventions for children with internalizing behaviors in schools, both within classrooms and in nonclassroom environments. In response to this need, a nonclassroom treatment package, consisting of (a) social skills instruction, (b) mediated self-management, and (c) a reinforcement system, was implemented to…