Expectancy theory is a motivation theory first proposed by Victor Vroom of the Yale School of Management in 1964. Vroom's Expectancy Theory separates effort, performance and outcomes. Vroom’s Expectancy Theory has assumed four assumptions. Expectancy, Instrumentality and Valence.
Herzberg’s motivation-hygiene theory, also known as the two-factor theory and dual-factor theory was coined by Frederick Herzberg in 1959. He argues that there are two factors that influence the motivation of the employee in the organization.
Motivation is an inner psychological force which activates and compares the person to behave in a particular manner. Motivation theories are categories into two: content and process theories.
Motivation is defined as inner burning passion caused by need, wants and desire which propels an individual to exert his physical and mental energy to achieve desired objectives. Motivation is goal-directed behavior.