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The current state of motivation theory is reviewed. Emphasis is placed on the internal, unobservable aspects of motivation and the distinction between motivation and behavior and performance. Major theories of motivation concerned with the arousal and choice of behavior are examined, problems of implementation are discussed, and directions for future research are suggested. They include study of the circumstances under which any given motivational theory is most effective. The long-run objective should be a contingency type model of motivation.
Terence R. Mitchell (1982) studied this question.