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MODELS OF MEMORY:
MUTLI-STORE MODEL: ATKINSON AND SHIFFRIN
It is supported by strong case study research evidence (Clive STM and LTM are unitary stores (i.e there is not just one STM and
Wearing and Glanzer and Cunitz: serial position effect) one LTM)
Evidence for this comes from the case study of KF, he had the
normal ability to process visual informationin STM but not verbal
information, which suggests that STM is not a single store.
There is a lot of experimental evidence for the model, and this has Evidence also suggests that LTM is not a single store but that there
the advantage of showing clear cause and effect explanations, are different stores for semantic memory, procedural memory and
because extraneous variables are controlled to stop them episodic memory.
influencing the dependent variable. Evidence from brain damaged patients shows that they can have
parts intact and some not- often brain damaged patients retain their
procedural memories but not the others. E.g. Clive Wearing
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It provides good evidence for the structure of memory and some The model gets rehearsal wrong.
explanation of the process involved, although this is limited. The MSM sees maintenance rehearsal- repeating information over
and over- as the process needed to transfer information into LTM.
Other researchers have challenged this, arguing instead that
elaborative rehearsal- processing the information by thinking about
it, changing it and understanding it- is what enables it to last a long