Atkinson & Shriffin in 1968 proposed the Multi-Store Model of memory. It contains 3 permanent structural components; sensory, short-term (STM) and long-term memory (LTM).

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Introduction

Atkinson & Shriffin in 1968 proposed the Multi-Store Model of memory. It contains 3 permanent structural components; sensory, short-term (STM) and long-term memory (LTM). It attempt to explain how information flows from one storage system to another using the key process of rehearsal. Many studies have produced results which suggest STM & LTM code in different ways.

In 1964 Conrad compared recall with acoustic and visual data. Participants (ppts) were presented with 6 letters at a time for 0.75 seconds. They were then asked to recall in the same order. Conrad found mistakes made with words that are acoustically similar suggesting STM must mainly code information according to how it sounds. LTM however encodes mainly semantically (by its meaning).

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Baddely in 1966 found that when he presented ppts with acoustically similar/dissimilar words and semantically similar/dissimilar words. With LTM fewer semantically similar words were recalled were as acoustically similar words had no affect in LTM recall. Suggesting that LTM mainly encode semantically.

In 1950 Miller & Selfridge presented ppts with sentences of varying length which resembled true English to different degrees.         Ppts were then asked to recall them in order they were presented.

It was found that the closer a sentence approximated true English, the better it was recalled.

This suggests that knowledge of semantic and grammatical structure (stored in ...

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