Loftus and Palmer

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Flashcards by mad-megz165, updated more than 1 year ago
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Undergraduate Psychology (Cognitive) Flashcards on Loftus and Palmer, created by mad-megz165 on 06/03/2013.

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Question Answer
COGNITIVE Loftus and Palmer (1974) Eyewittness Aim: To investigate how information supplied after an event, influences a witness's memory for that event.
PP's: EX1. 45 uni students split into 5 groups. EX2. 150 uni students split into 3 groups. All pp's were shown clips of car crashes. Each group was either given different words in a sentence or not asked a question at all.
Method: both studies were lab experiments using independent measure design. The possible words were smashed, collied, contacted, bumped + hit. EX1. After watching the clips each group was asked "how fast was the car going when it ? the car?"
EX2. 2/3 group were asked with the words smashed and hit. The other group was not asked a question at all. A week after the experiment, the third group were asked to complete a questionnaire which had the question "Was there any broken glass?"
Results EX1: 'Smashed' produced the fastest speed estimate and 'contacted' the slowest.
EX2: Again 'smashed' was highest. More pp's in the 'smashed' group recalled seeing broken than both the 'hit' and control group.
Conclusion: The way a question is phrased can influence and persons response. People are not very good at judging vehicular speed.
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