| Increasing capacity: Practice effects in absolute identification. | |
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MedLine Citation:
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PMID: 21299333 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In most of the long history of the study of absolute identification-since Miller's (1956) seminal article-a severe limit on performance has been observed, and this limit has resisted improvement even by extensive practice. In a startling result, Rouder, Morey, Cowan, and Pfaltz (2004) found substantially improved performance with practice in the absolute identification of line lengths, albeit for only 3 participants and in a somewhat atypical paradigm. We investigated the limits of this effect and found that it also occurs in more typical paradigms, is not limited to a few virtuoso participants or due to relative judgment strategies, and generalizes to some (e.g., line inclination and tone frequency) but not other (e.g., tone loudness) dimensions. We also observed, apart from differences between dimensions, 2 unusual aspects of improvement with practice: (a) a positive correlation between initial performance and the effect of practice and (b) a large reduction in a characteristic trial-to-trial decision bias with practice. (PsycINFO Database Record (c) 2010 APA, all rights reserved). |
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Authors:
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Pennie Dodds; Christopher Donkin; Scott D Brown; Andrew Heathcote |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-2-7 |
Journal Detail:
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Title: Journal of experimental psychology. Learning, memory, and cognition Volume: - ISSN: 1939-1285 ISO Abbreviation: - Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-2-8 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8207540 Medline TA: J Exp Psychol Learn Mem Cogn Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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