The Effects of Group Discussion on Eyewitness Accuracy

摘要: Previous research on group performance in judgmental tasks reveals that groups are rarely inferior, and often superior, to the average individual. The present study examined whether this pattern of results extends accuracy eyewitness reports a crime. It was found discussion led accounts were significantly more accurate than A requirement reach unanimous decision did not alter any effects discussion. Group superiority especially clear terms completeness estimations duration incident. considered implications for current practice prohibiting as an aid preparation testimony.