experiments

• what did loftus and burns discover?


  participants shown a video of boy getting shot in the face

  participants had significantly impaired recall

  negative effect on memory recall as people try and surpress the memory
• what did Christian and Hubinette discover?


  questioned 58 victims of bank robbery

  those who were threatened were more accurate in recall compared to witnesses

  positive effect because they pay more attention
• what was the Johnson and Scott study?


  waiting room

  low anxiety = grease and pen in hands

  high anxiety = knife and blood in hands

  pick the man out of 50 photos

  low anxiety = 49% accurate recall

  high anxiety = 33% accurate recall
• what was the conclusion of Johnson and Scott?


  participants who were exposed to the knife had higher levels of anxiety and were more likely to focus their attention on the weapon and not the face of the target = the weapon effect
• what was the Yuille and Cutshall study?


  shop owner shot a thief dead. participants interviewed 4-5 months after

  accuracy determined by number of details recalled

  high levels of stress = 88% accurate

  low levels of stress = 75% accurate
• what are the conclusions of the Yuille and Cutshall study?


  suggests that anxiety does not have a detrimental affect on accuracy of EWT and may even enhance it