decision Decision making is that people look at the pros and cons of different courses of action and assign a positive value to the pros and a negative value to the cons. Then they evaluate the probabilities that the pro will happen, as opposed to the con. On the basis of this evaluation, they make the choice that has the best possible outcome<ref>Games At Work: How to Recognize and Reduce Office Politics by Mauricio Goldstein, Phil Read, Kevin Cashman, p.110</ref>.