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Behav Res Methods Instrum Comput. 1999 Feb;31(1):137-49.

Calculation of signal detection theory measures.

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  • 1Department of Psychology, California State University, Turlock 95382, USA. hstanisl@toto.csustan.edu

Abstract

Signal detection theory (SDT) may be applied to any area of psychology in which two different types of stimuli must be discriminated. We describe several of these areas and the advantages that can be realized through the application of SDT. Three of the most popular tasks used to study discriminability are then discussed, together with the measures that SDT prescribes for quantifying performance in these tasks. Mathematical formulae for the measures are presented, as are methods for calculating the measures with lookup tables, computer software specifically developed for SDT applications, and general purpose computer software (including spreadsheets and statistical analysis software).

PMID:
10495845
[PubMed - indexed for MEDLINE]
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