Anxiety in Eyewitness Testimony

520 Words3 Pages
The role of anxiety in eyewitness testimony A laboratory experiment by Loftus (1979) | Aim | To find out if anxiety during a witness incident affects the accuracy of later identification. | Procedure | Participants were exposed to one of two situations:1. They overheard a low-key discussion in a laboratory about an equipment failure. A person then emerged from the laboratory holding a pen and with grease on his hands.2. They overheard a heated and hostile exchange between people in the laboratory. After the sound of breaking glass and crashing chairs, a man emerged from the laboratory holding a paper knife covered in blood.Participants were then given 50 photos and asked to identify the person who had come out of the laboratory. | Findings | 1. Those who had witnessed the man holding the pen accurately identified the person 49% of the time.2. Those who had witnessed the man with the bloody paper knife we successful only 33% of the time. | Conclusion | This finding has come to be known as the ‘weapon focus’ phenomenon, where the witness concentrates on the weapon (in this case the bloodstained paper knife) and this distracts attention from the appearance of the perpetrator. Loftus concluded that the fear or anxiety induced by the sight of the weapon narrows the focus of attention and gives rise to very accurate recall of the central details of the scene, but less accurate recall of peripheral details. | Evaluation | Later research by Loftus and Burns (1982) has provided support for this finding. Participants watched either a violent or non-violent short film of a crime. Those who saw the violent version, in which a boy was shot in the face, were less accurate in recalling information about the crime.However, it is mainly laboratory studies that produce this result. They could be accused of lacking validity, as a rather different picture emerges if we
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