Likelihood-ratio decision strategy for independent observations in thesame-different task: An approximation to the detection-theoretic model |
| |
Authors: | R. John Irwin Michael J. Hautus |
| |
Affiliation: | 1. Department of Psychology, University of Auckland, Private Bag 92019, Auckland, New Zealand
|
| |
Abstract: | An optimal decision strategy for deciding whether two things are the same or different is to adopt a likelihood-ratio criterion. The parametric equations for the receiver operating characteristic (ROC) based on the likelihood-ratio strategy when observations are independent are complicated; they require the numerical evaluation of a double integral. An approximation to the parametric equations for the likelihood-ratio strategy was developed. This approximation takes the form of a pair of equations that describe ROCs virtually indistinguishable from those of the full model. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |