WORKING MEMORY.
Atkinson’s and Shiffrin’s (1968) multi-store model was extremely successful in terms of the amount of research it generated. However, as a result of this research, it became apparent that there were a number of problems with their ideas concerning the characteristics of short-term memory. Building on this research, Baddeley and Hitch (1974) developed an alternative model of short-term memory which they called working memory (see fig 1). Baddeley and Hitch (1974) argue that the picture of short-term memory ( STM ) provided by the Multi-Store Model is far too simple. According to the Multi-Store Model , STM holds limited amounts of information for short periods of time with relatively little processing. It is a unitary system. This means it is a single system (or store) without any subsystems. Working Memory is not a unitary store. ...
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