You are a manager of a department and you have recently witnessed that some employees are not as motivated as others. Having explored the issue, you realize that this group of staff have been denied promotion in the last round of the applications. You understand that these are very capable people and very well-aware of performance-outcome possibilities. What framework/theory is best suitable for analysing motivation? Why? Recommend a set of measures that you can adopt to enhance employees motivational level. Explain why you recommend these measures.