Performance evaluation (PE) is key factor in improving the quality of work input, inspires staffs make them more engaged. PE also introduces a foundation for upgrades and increments in the development of an organization and employee succession plans. Performance appraisal system varies according to the nature of the work and designation within an organization (Adnan and Mohamed, 2014, p.966).
There are two types of measures are used in performance appraisal: Objective measures which are directly quantifiable and Subjective measures which are not directly quantifiable. Performance appraisal can be broadly classified into two categories: Traditional methods and Modern methods (Ashima and Gour, 2013, p.617).