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| Questão | Responda |
| Loftus and Palmer | Investigated the effect misleading information has on EWT. They found that changing just 1 word in a question altered responses. Participant's answers were influenced by a leading question. |
| Yuille and Cutshall | Used a real life crime event whereby 13 witnesses of a robbery were re-interviewed. 2 misleading questions were posed but participants resisted being led by these |
| Loftus | Investigated anxiety using an experiment with two conditions. Participants either see a man with a penknife and blood OR a pen and grease. They then identify this man from 50 photos.Participants were more accurate at identifying the man with the pen and grease. |
| Weapon Focus effect | The inability to correctly identify the perpetrator due to focusing on the weapon rather than their face, clothing etc. |
| Loftus and Messo | Investigated weapon focus and found 38.9% of participants in the non weapon condition could identify a perpetrator. Whereas 11.1% of participants in the gun condition could identify the criminal- providing support for weapon focus. |
| Yerkes Dodson Curve | A theory used to explain the relationship between anxiety and performance. Moderate anxiety helps performance. |
| Pickel | Argued weapon focus doesn't occur due to the threat but instead due to the unusualness of the situation or object. |
| Christianson and Hubinette | Found witnesses from a real life crime who had been threatened and exposed to high anxiety actually provided very detailed testimonies. Those with lower anxiety were less accurate. |
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