Accuracy of EWT.

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What is the key study to use on the accuracy of EWT?
Loftus & Palmer (1974)
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What was the aim of Loftus & Palmer (1974)?
To see if misleading information distorted the accuracy of an eyewitness's immediate recall.
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How many american students were split into 5 groups?
45
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How many different films of traffic accidents were the groups shown?
7
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What was each group given?
A questionnaire asking them to describe the accident and were asked questions about it.
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What was the critical question on the questionnaire?
How fast were the cars travelling when they (VERB) each other?
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What verbs were the groups given?
Hit, smashed, collided, bumped, contacted.
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What did Loftus and Palmer find?
The group with the smashed verb estimated the highest mean spead of 40.8mph. The group with the verb contacted had the lowest mean spead of 31.8mph.
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What did Loftus & Palmers study suggest?
Misleading information has a significant impact on memory.
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Who conducted a study to see whether or not misleading information created false memory?
Braun et al.
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In braun et als study, how many college students evaluated advertising material from Disneyland which contained misleading information?
167
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What did the misleading information contain info about?
Bugs Bunny & Ariel.
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What did Braun et al find?
Those in the Bugs/Ariel condition reported to have shaken hands with these characters.
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What did Braun et al suggest?
Misleading info creates false memory.
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AO2: How does Braun et al's study support Loftus & Palmer?
It shows that storage was affected by misleading information.
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AO2: What did the further study by Loftus et al involve?
Stop/yield traffic signs & consistent/inconsistent questions about them
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AO2: Why does Loftus & Palmers study lack ecological validity?
Pps were shown a film rather than the real thing - they may not take it as seriously.
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AO2: What is a real life application of EWT?
Police interviews.
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Card 2

Front

What was the aim of Loftus & Palmer (1974)?

Back

To see if misleading information distorted the accuracy of an eyewitness's immediate recall.

Card 3

Front

How many american students were split into 5 groups?

Back

Preview of the front of card 3

Card 4

Front

How many different films of traffic accidents were the groups shown?

Back

Preview of the front of card 4

Card 5

Front

What was each group given?

Back

Preview of the front of card 5
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