This document discusses motivation from several perspectives. It defines motivation, outlines Maslow's hierarchy of needs theory and Herzberg's two-factor theory of motivation. It also describes intrinsic and extrinsic motivation, reasons for motivation, characteristics of motivation, and functions of motivation. Maslow's theory proposes that lower level needs must be met before higher level needs can motivate behavior. Herzberg differentiated between job factors that cause satisfaction versus dissatisfaction.