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Any business's success depends on its employees. Businesses that realize this are concerned about employee output and productivity. Productivity has a compounding effect at the different levels in the workplace, meaning that high productivity at a lower level of organization paves way for higher productivity at the higher levels of the organization. Hence, analysis of performance of employees in any organization is the need of the hour. Performance of an employee cannot be attributed to any fixed quality. Different people have different skill sets and different behavioral characteristics. Thus, performance analysis requires data to be gathered from all walks of life.
Lather et al. (Fri,) studied this question.