Comparative Study of the effect of 180, 360, 540, and 720 Degrees Feedbacks in the Evaluation of Employees Performance

Performance evaluation system and providing feedback for the employees are techniques which most organizations use for the development and improvement of their organizational performance. Feedback system, its development and its application have been considered seriously by organizations in recent decades. From the time when feedback system has been presented, it has faced great changes both in its quality and its dimensions, resulting in its richness and effectiveness. This research is intended to, first, explain traditional feedback system, and then, to review the changes it has faced in different stages, as 180, 360, 540, and 720 degrees feedback, and explain their usage. Finally, all these methods will be compared with one another, and the best one will be selected as a modern feedback system for private and public organizations.