Poisson signal-detection theory: Link between threshold models and the Gaussian assumption
- 1 September 1991
- journal article
- Published by Springer Nature in Perception & Psychophysics
- Vol. 50 (5) , 498-506
- https://doi.org/10.3758/bf03205066
Abstract
The Gaussian model of signal detection cannot fit asymmetric data as long as the variances of the distributions are kept equal. It is therefore common practice to assume unequal variances in order toKeywords
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