Decision making involves recognizing a problem, searching for information, and defining alternatives. It is the process of choosing an action from two or more options based on preferences. There are different types of decisions including programmed vs non-programmed, routine vs strategic, and individual vs group. Programmed decisions deal with common problems using predetermined rules, while non-programmed decisions require careful analysis for unique situations. Decisions can also be classified as major/minor, delayed/quick, and individual/group.