• n = 210
• 108 undergraduate students from the University of Aberdeen (17-33 years)
• 102 older adults recruited from local community (58-80 years)

Older adults were first given a Memory Impairment Screen to test for the possibility of Alzheimer’s.

Event: a simulated robbery at a Blockbuster (2 robbers, 1 employee, 1 customer) Recall Measures: 20 question questionnaire given to each participant before and after manipulation phase

Biased-confederate group: participants completed the experiment with a confederate whom they believed to be another participant (confederates trained to act as naive participant)

Participants watched a short video followed by 10 minutes of filler tasks Participants were given 20 question questionnaire (asked not to guess on questions) followed by 20 minutes of filler tasks Manipulation phase: instructed that they had a short amount of time to discuss the video events together as a pair - confederate was trained to disclose 4 items of misinformation

Biased-narrative group: same procedure as biased-confederate group but instead of discussion with a confederate during the manipulation phase, participants were asked to read a written story embedded with 4 items of misinformation