Individuals with disabilities may exhibit dangerous behavior such as physical aggression and self-injury. Determining the environmental variables maintaining dangerous behavior using a functional behavior assessment can inform treatment in teaching individuals with disabilities functionally equivalent replacement behavior. However, logistic…

Looks back on the history of suicidology to discuss important concepts that have become well established, such as clues to suicide, ambivalence, crisis services, suicide consultations, and psychological autopsies. Recommendations for the long-term treatment of patients are provided. Research on youth suicide is reported. Examines new developments…