factors affecting EWT - post event info Flashcards
what is post event information?
information that is given after an event has been witnessed
how can this affect recall?
it can be incorporated into the memory and lead to incorrect recall
when are witnesses interviewed?
over a period of time after the event
when do cases go to trial?
not till some time after the event, meaning that it is possible that post event information can affect memory
who’s theory support the idea of post event information?
barletts theory of reconstructive memory
what does confabulate mean?
adding in information so that it makes sense
what part of the brain can be influenced?
schemas, meaning that recall could be affected by what they think happened
what are a critical source of post event information?
leading questions
where might leading questions come from?
police, in courts
how can loftus and palmers study be linked?
e.g. changing the verb impacted the result
what year did loftus do yield study?
1978
what was loftus’ yield study?
ppts shown a film of a car accident at a junction where there was a stop sign, half told that it was a yield sign, they were more likely to recall inaccurately
what year was loftus’ barn study?
1975
what was loftus’ barn study?
car crash at a junction, half asked about a barn that was not there, they were more likely to recall incorrectly
what did yuille and cutshall find?
they used a real of a gun shop robbery that happened in canada in which a thief was shot dead by the shop owner
interviewed by the police and then by researcher 5 months later
found that accuracy remained the same and leading questions did not have an effect