Eyewitnesses are told not to guess and admit when they do not know the detail
Support from Geiselman's lab experiment
Cognitive interviewees remembered more correct items (41) than standard interviewees (29), with no difference in incorrect items
Support from Fisher's field experiment
Interviews with Florida detectives generated significantly more correct information (47% more) after they had been trained in using the cognitiveinterview compared to before their training when they were just using the standard police interview
Milne and Bull found that the first two features of the cognitive interview (context reinstatement and report every detail) were significantly moreeffective than changing the order and changing the perspective
