Abstract: Abnormal Psychology is a sub branch of psychology. It is defined as the study of unusual pattern of behavior, emotion and thought. The term ‘Abnormal’ with its prefix ab (away ftrom) this come to signify the deviance from the Normal, but the concept ‘normal’ is relative and can vary across the culture and time period. This article shades light on the top four method to study abnormal behavior.
Abhisek Bardhan (Mon,) studied this question.