Clinical Child and Adolescent Psychology is a subfield of clinical psychology and a specialty in professional psychology that develops and applies scientific knowledge to the assessment, prevention and treatment of mental health problems in children and adolescents within their social context. The specialty in Clinical Child and Adolescent Psychology focuses on the understanding of the basic psychological needs of infants, toddlers, children and adolescents; influence of the family and other social and historical contexts on the psychosocial adjustment, cognitive development, behavioral adaptation and health status; and delivery of psychological services to children and adolescents.