Referring to Don Barr's situation in the previous question , go beyond a discussion of needs, and tell Don what else he should do to assure that his employees' behavior will be directed toward organizational goal achievement rather than something else. Also, tell him what he should do to increase the likelihood that this desirable employee behavior will be sustained over time. In developing your answer, draw extensively on Expectancy and Equity theories of motivation. Finally, provide an overview of the hungry caterpillar model of self-esteem. What insights from this model might be useful to Don in his efforts to motivate and develop his employees?