This is the final version of a chapter accepted for publication in the 6th edition of The Handbook of Social Psychology. The chapter reviews the current state of theorizing and research in this interdisciplinary area, and sketches emerging themes and connections. The topics covered include conceptual issues, an overview of self-control models, preventive self-control, self-control strategy use, social influences on self-control and the connection between self-control and happiness. Some of the main conclusions are…