This document discusses several theories of motivation including: - Equity theory which examines how people react to perceived inequity in outcomes relative to inputs and referents. - Expectancy theory which looks at how motivation is influenced by expectancy, instrumentality, and valence. - Reinforcement theory which explores how rewards and punishments shape behavior. - Goal setting theory which proposes that specific, measurable goals improve performance when feedback is provided. The document also outlines factors that influence motivation and performance such as needs, efforts, rewards, and goal setting according to different motivation models.