Misleading Information Flashcards
What is post event discussion ?
Where witnesses of an event discuss their accounts with eachother
Memory contamination
Co witnesses discuss a crime their EWT may become altered or distorted
This is because they combine information from other witnesses with their own memories
What has changed in memory contamination ?
Memories of an event have changed
Memory conformity
Witnesses go along with the group to win social approval NSI
Or because they believe the other witness is right and they are wrong ISI
Memory remain unchanged
What is affected in memory conformity ?
Accuracy of recall
Who was RTS by ?
Skagberg and wright
What did skagberg and wright conduct ?
Showed Ppts 2 versions of a film clip of mugging
In one the mugger had dark brown hair
In one the mugger had light brown hair
How did ppts discuss the clips ?
In pairs
What did they found when ppts discussed the clips ?
Found there was a blend
Suggesting the mugger had medium brown hair
Supporting memory contamination during post event discussion does occur disturbing EWT
What is the Weakenss of skagberg and Wrights research to support post event discussion upon effecting accuracy of EWT?
Lacks ecological validity as it was conducted in a controlled environment
(Lab)
What is it difficult to generalise the finding to ?
IRL post even discussion as it may not effect the accuracy of EWT
What are there consequences for ?
Witnesses reporting misinformation to the police and court
What does this reduce ?
External validity
