Various scholars on human resources revealed diverse theories on motivation over time. In this regard, this essay is written to address the following issues, to wit: (1) choose one of the theories from the “Motivation Concepts Table,” and describe how this theory would and would not be applicable if applied to two or more workplace situations drawn from one’s personal experience. and (2) in the instance in which the selected theory of motivation was not applicable to the workplace experience, assess the need to develop and create new theoretical models of motivation in todays changing work environment. What are the ramifications of failing to meet this challenge? Among the issues to consider are effects on personal satisfaction and productivity.