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Loftus and Palmer

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1AimTo investigate the effect of questioning on witness memory of a car accident.
2ParticipantsExperiment 1
45 students - no information given about age and gender.
Experiment 2
150 students- no information given about age and gender.
3Method/ designLaboratory Experiment
Independent measures design
IV: the verb used in the critical question
DV: the mean estimated speed of the car
4Experiment 1students watched a filmed of car crashes. they were then asked to estimate the cars speeds using different verbs to describe the crash.
5Experiment 2students were asked about broken glass at the scene.
6ResultsExperiment 1
Estimated speed varied according to the verb used with 'smashed', leading to the highest estimates.
Experiment 2
When the word 'smashed' was used participants still estimated a higher speed, but in addition, they wrongly remembered seeing broken glass at the scene of the crash
7ConclusionWording of questions can alter witness memories of events

Descripción: Fichas sobre Loftus and Palmer , creado por jenielle12 el 13/04/2016.
Creado por: jenielle12
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