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Forgetting in Short-Term Memory
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| Submitted: Wed Aug 13 2003
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Forgetting in Short-Term Memory Decay in STM Trace decay theory in STM relates to theories of Duration in STM. The theory suggests STM can only hold information for between 15 and 30 seconds unless it is rehearsed Brown & Peterson (1959). After this time the information Decays (fades away). Waugh & Norman (1965) used the Serial Probe Technique to test the theory. Participants were given a series of numbers to learn. They were then given one of the numbers and asked which number followed it. The numbers were presented at different speeds therefore the faster the numbers presented the better the recall if Trace Decay theory is correct as the more likely the information is to remain in the STM. The results did not support the theory. This research employed the laboratory experiment and its validity can therefore be questioned. Displacement in STM The idea of displacement in STM causing forgetting relates to...
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