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The search for fixed generalizable limits of “pure STM” capacity: Problems with theoretical proposals based on independent chunks

Published online by Cambridge University Press:  30 October 2001

K. Anders Ericsson
Affiliation:
Department of Psychology, Florida State University, Tallahassee, FL 32306-1270 [email protected]@psy.fsu.edu www.psy.fsu.edu/~ericsson
Elizabeth P. Kirk
Affiliation:
Department of Psychology, Florida State University, Tallahassee, FL 32306-1270 [email protected]@psy.fsu.edu www.psy.fsu.edu/~ericsson

Abstract

Cowan's experimental techniques cannot constrain subject's recall of presented information to distinct independent chunks in short-term memory (STM). The encoding of associations in long-term memory contaminates recall of pure STM capacity. Even in task environments where the functional independence of chunks is convincingly demonstrated, individuals can increase the storage of independent chunks with deliberate practice – well above the magical number four.

Type
Brief Report
Copyright
© 2001 Cambridge University Press

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