Define equity theory. Identify the five ways in which people try to restore equity when they perceive that they have been treated unfairly. 2. Define and discuss expectancy theory. Explain why the concept of valence is important in expectancy theory. 3. Explain the difference between transformational and transactional leadership. (define both in this answer) 4. Define constructive and destructive feedback. Describe the impact when a manager uses each of these to communicate with a work group. 5. Identify and define the three basic control methods