PSY 211 Lecture Notes - Lecture 24: Fallacy, Availability Heuristic
Document Summary
Given a certain sets of fact, something must be true. Logic - conclusions that must be true, given the facts. Conclusions that are likely to be true, given the information that you have, but not necessarily true. Considering all the answers to make your determination, best way to reason. Descriptive - how people actually reason in the real world. We need both theories because people do not follow the normative method. We make conclusions that are not rational based on the information that we have. We often misuse information that we have to make decisions. Number of people with the disease who show positive test / total number of people who show a positive test. People often pay too much attention to the base rate when: But in many cases, people neglect the base rate. People often rely too much on the current evidence and ignore the base rate. People put more emphasis on similarity than on base rate.
