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d' and variance of d' for four-alternative forced choice (4-AFC)

Title
d' and variance of d' for four-alternative forced choice (4-AFC)
Authors
Bi J.Lee H.-S.O'Mahony M.
Ewha Authors
이혜성
SCOPUS Author ID
이혜성scopus
Issue Date
2010
Journal Title
Journal of Sensory Studies
ISSN
0887-8250JCR Link
Citation
vol. 25, no. 5, pp. 740 - 750
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
The four-alternative forced choice (4-AFC) is one of a family of m-AFC tests used in Psychology. Based on a detection-theoretic model, for a given d' it is slightly more powerful than the 3-AFC and 2-AFC. Although its potential use in sensory food science is limited, there are occasions when it will be used. Accordingly, tables of d' values for given proportions of correct responses (p c) along with corresponding values of B, for computing variances, are given in this paper. Power comparisons are also made between 2-AFC, 3-AFC and 4-AFC tests. © 2010 Wiley Periodicals, Inc.
DOI
10.1111/j.1745-459X.2010.00301.x
Appears in Collections:
엘텍공과대학 > 식품공학전공 > Journal papers
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