post event discussion

• What does post-event discussion refer to?

  Information discussed after an event
• How can post-event discussions influence memory?

  They can contaminate eyewitness testimonies
• What is memory conformity?

  Witnesses align with others for approval
• What is source-monitoring in the context of memory?

  Distortion caused by hearing alternative accounts
• What negative effect does post-event discussion have on eyewitness testimony?

  It reduces the accuracy of eyewitness testimony
• What was the aim of Gabbert et al. (2003)?

  To investigate post-event information effects
• What was the procedure of Gabbert et al.'s experiment?

  • Laboratory experiment
  • Experimental group: paired participants watched different angles of a robbery and discussed it
  • Control group: participants watched the same robbery without discussion
  • DV: Number of incorrect items recalled
• What percentage of the experimental group recalled incorrect aspects of the event?

  71%
• What did 60% of the experimental group incorrectly claim?

  That the girl was guilty
• What percentage of the control group made errors?

  0%
• What conclusion did Gabbert et al. draw from their findings?

  Witnesses conform for social approval or accuracy
• What are the implications of Gabbert et al.'s findings for forensic psychology?

  • Police should gather witness information immediately
  • Avoid post-event discussions to preserve memory accuracy