Patients with damage to the ventromedial prefrontal cortex have difficulty making advantageous decisions. Overview of Decision Making Process in Psychology and its types 2. It is therefore a process which can be more or less rational or irrational and can be based on explicit or tacit knowledge and beliefs. Both styles are utilized in the game of chess. My second question is do you eat factory-farmed meat? Common examples include shopping, deciding what to eat. Rational decision is generally seen as the best or most [18] Information used in decision making is to reduce or eliminate uncertainty. This paralysis occurs when the decision-maker wants to eliminate any uncertainty but the examination of provided information is unable to get rid of all uncertainty.