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A critical evaluation of c as a measure of mnemonic resolution
Richard D Morey1, Candice C Morey, Benoit Brisson
1Heymans Institute for Psychological Research, University of Groningen. The Netherlands. r.d.morey@rug.nl
Abstract:
It is known that visual working memory capacity is limited, but the nature of this limit remains a subject of controversy. Increasingly, two factors are thought to limit visual memory: an object-based limit associated with so-called "slots" models, and an information-based limit associated with resource models. Recently, Barton, Ester, and Awh (2009) introduced a measure of mnemonic resolution, which they dubbed c. We show here that c is critically flawed, and cannot be interpreted as a measure of resolution. We recommend strongly against its use and interpretation, and suggest alternatives approaches for researchers who want to explore mnemonic resolution.
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