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  • Created by: val16
  • Created on: 24-02-16 18:45
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    • Aim:                  - The aim of the study was to see if there would be memory impairment in LTM when the words acoustically similar than when the words have the same meaning.         - To find out how LTM encodes.
    • Procedure:     - males & females           - volunteer sample           - 72 ppts         - Psychology Research Unit - Independent groups design was used         ->participants were put in 1 of the 4 conditions (1 of the 4 word lists)                 - words were presented by a projector and were visible for 3 seconds           - They were then given a 6 digit sequence recall task.       - Followed by recall of the list                   - There were 4 trials in total     - They were then given a 15 minute interference task involving copying the order of the digits.               - They were then given a surprise recall test.
    • Results:            - In LTM: Acoustically similar words were difficult to recall during the initial phase. However there was very little difference between acoustically similar and acoustically dissimilar words.              - In LTM: When words were semantically similar it was difficult to recall them than when the words were semantically dissimilar. They tended to recall fewer semantically similar words.
    • Conclusion:      - The experiment shows that STM and LTM encode differently. STM is least affected by semantic information but not so good with acoustic information.     - It is evident that LTM encodes semantically as participants found it hard to maintain the semantic information than the acoustic information.
      • - Learning of word sequences impaired by semantic similarity.         - LTM based on semantic encoding.        - Transferral to LTM, involves an intermediate stage where material is in STM. This was shown by greater difficulty in learning list in Experiment 3 when STM is minimised.        - Previous studies suggest STM based on acoustic encoding,


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