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Bahrick et al
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Bahrick et al 1975
Aim: To look at the duration of LTM
Method: 392 people asked he names of their ex classmates. (Free recall). They were then shown photos and asked to recall names of the people shown OR asked to match the name to the photo. (Photo recognition test).
Results:
After 15 years : 90% recall of names and faces, 60% accuracy of free recall.
After 30: free recall declined to 30%
After 48: Name recognition - 80% accurate, photo recognition
Conclusion: Recognition is better than recall. Not always easy to access info in our brains without a prompt
Evaluation:
Field experiment- high ecological validity.
Not all variables controlled
Could be meaningful
Could be rehearsed
Cannot be generalised
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- AS Level Memory (MEMORY MULTI STORE MODEL) Note on Bahrick et al, created by Louise goswell on 20/10/2014.
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- Louise goswell
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