Over the past 40 years, the assessment and scientific study of capacity in older adults has emerged as a distinct field of clinical and research activity for psychologists. This new field reflects the convergence of several trends: the aging of American society, the growing incidence and prevalence of dementia, and the patient rights,…

Between 65 and 70 percent of youth in the juvenile justice system have mental health disorders, with some studies estimating that at least 20 percent of these youth have severe disorders that significantly impair functioning. Many of these youth are entitled to adequate and responsive mental health services through federal programs like Medicaid's…