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Research article summary:
Is signal detection theory fundamentally flawed? A response to Balakrishnan (1998a, 1998b, 1999).
Abstract Extract:
For nearly 50 years, signal detection theory (SDT; Green & Swvets, 1966; Macmillan & Creelman, 1991) has been of central importance in the development of psychophysics and other areas of psychology. The theory has recently been challenged by Balakrishnan ... (Full abstract text below) Published 2002Dec
in Journal: Psychon Bull Rev
(Language : eng)
Full Pubmed Extract
This information was retrieved, real-time, on your behalf from the public area of the Pubmed website:
1. Psychon Bull Rev.
2002 Dec;9(4):845-57; discussion 858-65
Is signal detection theory fundamentally flawed? A response to Balakrishnan (1998a, 1998b, 1999).
Treisman M
Department of Experimental Psychology, University of Oxford, Oxford, England. treisman@psy.ox.ac.uk
For nearly 50 years, signal detection theory (SDT; Green & Swvets, 1966; Macmillan & Creelman, 1991) has been of central importance in the development of psychophysics and other areas of psychology. The theory has recently been challenged by Balakrishnan (1998b), who argues that, within SDT, an alternative index is "better justified" than d' and who claims to show (1998a, 1999) that SDT is fundamentally flawed and should be rejected. His evidence is based on new nonparametric measures that he has introduced and applied to experimental data. He believes his results show that basic assumptions of SDT are not supported-in particular, that payoff and probability manipulations do not affect the position of the decision criterion. In view of the importance of SDT in psychology, these claims deserve careful examination. They are critically reviewed here. It appears that it is Balakrishnans arguments that fail, and not SDT
PMID : 12613692 [PubMed - Indexed for MEDLINE]
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Full Author Information
| First Name | LastName | Initials |
| Michel | Treisman | M |
Affiliation: Department of Experimental Psychology, University of Oxford, Oxford, England. treisman@psy.ox.ac.uk
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Category links from this article:- Data Interpretation, Statistical
- Decision Making
- Discrimination Learning
- Humans
- Signal Detection (Psychology)
- Statistics, Nonparametric
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