People vary in their aptitudes and talents. When two different persons work on the same task, there will always be some variation in the quality and output. Employee performance reviews are required to comprehend each employee's skills, knowledge, and relative value to the company. Employees are evaluated based on their performance in performance appraisals. Performance evaluations are often utilised in society. The earliest usage of the merit rating occurred during the Second World War, which is when performance evaluations can be traced back to the 20th century. It is a very old idea for an employer to evaluate their workforce. Performance evaluations are a crucial component of performance measurement