Factors affecting eyewitness testimonies

• What can affect Eyewitness Testimony?

  Leading questions

  Post-event Discussion

  Anxiety
• What are leading Questions?


  A question which because of the way it has been phrased suggests a certain answer.
• What was the procedure for Loftus and Palmer's Study?


  They arranged for 45 American pps to watch film clips of car accidents and then gave them questions about the accidents.

  
  

  Critical Question - 'About how fast were the cars going when they hit each other?'

  
  

  Each of 5 groups were given different verbs in the critical question.

  Hit, Contacted, Bumped, Collided, Smashed
• What were the findings for the Loftus and Palmer Study?


  Smashed produced the highest estimate (40.5 mph) and contacted was the lowest (31.8 mph).
• What are the Positive Evaluation Points for Loftus and Palmer?


  Replicable- Standardised Procedure

  High Controls