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Aims
· To examine issues raised by lab experiments
in eye witness testimony, and to see if leading
questions have the same effect in a field
experiment.…read more

Slide 3

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Procedure
· 21 witnesses were interviewed by police after a gun shooting in Vancouver.
· 13 people agreed to take part in the research. The witnesses gave their
accounts to the police, and then police asked questions, all the interviews
were recorded by hand.
· 4-5 month after witnesses were asked to recall the event again to
researchers. These interviews were recorded again.
· They were then asked leading questions; did you see `a' or `the' broken
headlight?, or did you see `a' or `the' yellow panel? Neither of these things
existed in the event.
· The degree of stress the participants suffered was recorded on a likert scale
of 1-10. There were other questions asked about their emotional state too.…read more

Slide 4

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Results
· The leading questions had little effect on the
witnesses. 10/13 said they had not noticed the
headlight or yellow panel.
· The researchers gained more details than the police
did. Recall was better 4-5 months later.
· Participants saw different things. Central witnesses
recall was better (84.56%) than the peripheral
witnesses (79.1%), but both had high percentages of
recall.…read more

Slide 5

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Conclusion
· When using real case studies and field
studies, eye witness testimony tends to be
much more accurate than in lab experiments.…read more

Comments

SL

Some of the procedure is inaccurate btw

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