期刊
JOURNAL OF MATHEMATICAL PSYCHOLOGY
卷 50, 期 5, 页码 488-494出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jmp.2006.06.001
关键词
paired comparison; cue; tallying; lexicographic; Take The Best; Minimalist; naive Bayes; social choice; condorcet jury theorems
We study three heuristics for paired comparisons based on binary cues, which are all naive in that they ignore possible dependencies between cues, but take different approaches: linear (tallying) and lexicographic (Take The Best, Minimalist). There is empirical evidence on the heuristics' descriptive adequacy and some first results on their accuracy. We present new analytical results on their relative accuracy. When cues are independent given the values of the objects on the criterion, there exists a linear decision rule, equivalent to naive Bayes, which is optimal; we use this result to characterize the optimality of Take The Best and tallying. Also, tallying and Take The Best are more accurate than Minimalist. When cues are dependent and the number of cues and objects is psychologically plausible, Take The Best tends to be more accurate than tallying, but it is also possible that tallying, and Minimalist, are more accurate than Take The Best. (c) 2006 Elsevier Inc. All rights reserved.
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