Loftus and Palmer's EWT Study

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Loftus and Palmer (1974)

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Study on eyewitness testimony (EWT)

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Eyewitness Testimony (EWT)

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Legal term for evidence provided by witnesses

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Aim of the study

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Investigate the effect of language on memory

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Experiment 1

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Participants watched car crash videos

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Experiment 2

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Participants asked about broken glass

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Leading questions

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Questions that suggest a desired answer

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Independent variable

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Verb used in the question

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Dependent variable

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Speed estimation or memory recall

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"Smashed" vs "Hit"

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Different verbs used in questions

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Sample size

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45 students in Experiment 1