Clinicalpsychology. The branch of psychology that studies, assesses, and treats people with psychological problems or disorders (Pomerantz, 2020). Integrates science, theory, and practice to understand, predict, and alleviate maladjustment, disability, and discomfort as well as to promote human adaptation, adjustment, and personal development. Focuses on the intellectual, emotional, biological, psychological, social, and behavioral aspects of human functioning across the life span, in varying cultures, and at all socioeconomic levels. (APA, 2012a)