This document provides information about motivation from several perspectives. It begins with definitions of motivation and discusses physiological, behavioral, cognitive and social roots of motivation. It then provides exercises for participants to consider how to increase and decrease motivation in a work context. The remainder of the document outlines various theories and models of motivation, including: intrinsic and extrinsic motivation; operant conditioning; push and pull factors; self-control; drives; incentive theory; and cognitive dissonance theory.