Adolescents can be separated into three separate sub-phases; early, middle and late. Each phase has its own specific physiological, cognitive, social and emotional component. Students will become familiar with the stages and specific tasks adolescents need to accomplish and the impact this has on their identity. Students will be exposed to factors that contribute to healthy and unhealthy adolescent development, including cultural differences. Mental disorders such as: Oppositional Defiant Disorder, Depression, and Reactive Attachment Disorder will be reviewed with an overview of evidence based treatment approaches and modalities used for these disorders.