One important area that is missing in performance appraisals, regardless of the approach used to design the tool is ethics; in particular, the role ethics plays in decision making. The study of ethics can be divided into two main categories, theoretical ethics and normative ethics. Theoretical ethics tells us why we should act a certain way; normative ethics tells us how we should act, how things ought to be. Moral standards are arrived at that regulate right and wrong conduct. The Golden Rule, "Do unto others as you would have them do unto you," is a good example ...