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- Title
Relevance of unjustified strong assumptions when utilizing signal detection theory.
- Authors
Nelson, Thomas O.
- Abstract
Several conclusions depend on a version of signal detection that assumes that performance is based on underlying equal-variance normal distributions of trace strength. Such conclusions are questionable without empirical justification for that assumption. A thought experiment is presented to show how the assumption is probably invalid, and empirical evidence is cited for the assumption's invalidity in research on human memory.
- Subjects
SENSORY perception; SCIENTIFIC experimentation; RESEARCH; ELECTRONICS; SIGNAL detection; COGNITION
- Publication
Behavioral & Brain Sciences, 2003, Vol 26, Issue 3, p351
- ISSN
0140-525X
- Publication type
Article
- DOI
10.1017/S0140525X03350083