The document discusses emotional disturbance as defined by the Individuals with Disabilities Education Act (IDEA). It explores the characteristics, prevalence, and types of emotional disturbances such as anxiety disorders, bipolar disorder, conduct disorder, eating disorders, obsessive-compulsive disorder, and psychotic disorders. It notes that over 354,000 students received special education services for emotional disturbance in 2013-2014. Best practices for students with emotional disturbances include strategies such as praise, choice, academic support to reduce behaviors, trusting relationships between students and teachers, and avoiding assumptions about families.