A heuristic evaluation is an expert evaluation of a user interface using a predetermined list of guidelines. It is faster and less expensive than usability testing, but has weaknesses and should be used early in development. The evaluation is conducted by an expert using a checklist and scaling to indicate severity of problems. Heuristic evaluations […]
The representativeness heuristic is a natural part of human cognition, where people see commonality between similar-looking items or people. It has advantages and disadvantages. A study by Kahneman and Tversky found that subjects tended to assign Tom W. to the engineering group based on representativeness alone, despite the fact that engineering students were relatively rare […]
