Memory- EWT anxiety studies
- Created by: Izzy
- Created on: 01-12-14 19:02
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- EWT- anxiety studies
- Loftus: weapon focus effect.
- 2 conditions: 1) Man holding pen with grease on hands. 2) Man holding paper knife covered in blood. Participants asked to identify man from 50 photos
- Condition 1= 49% accurate.Condition 2= 33% accurate
- Suggests weapon distracted eye witnesses away from face. Meta- analysis shows weapon does reduce EW accuracy
- Condition 1= 49% accurate.Condition 2= 33% accurate
- 2 conditions: 1) Man holding pen with grease on hands. 2) Man holding paper knife covered in blood. Participants asked to identify man from 50 photos
- Loftus and Burns: 2 conditions: 1) violent film- boy shot in face. 2) non-violent short film of a crime
- P's less accurate in condition 1 recall. Supports Loftus (anxiety leads to less accurate recall)
- Christianson
- 58 real witnesses than had been threatened more accurate than onlookers even 15 months on.
- Contradiction explained by Deffenbacher
- Performance improves with arousal to a point then further increases lead to a decrease in accuracy (Yerkes-Dodson law)
- Contradiction explained by Deffenbacher
- 58 real witnesses than had been threatened more accurate than onlookers even 15 months on.
- Loftus: weapon focus effect.
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