BOX INFORMATION
SUPPLEMENTARY FILES FORDannals JE, Oppenheimer DM. (2022) 'How people deal with … outliers'.
Journal of Behavioral Decision Making. .
doi:
10.1002/bdm.2303LICENSE FOR USEAll content posted to ResearchBox is under a
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September 26, 2022 (
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BOX CREATORSJennifer Dannals (jennifer.dannals@yale.edu)
Daniel Oppenheimer (doppenh1@andrew.cmu.edu)
ABSTRACT People regularly make sense of distributions that are complicated by noise. How do individuals determine whether an outlying observation should be incorporated into one’s understanding of the true distribution of the population or considered a fluke that ought to be disregarded? In a simple prediction task, we examine how individuals incorporate outliers and compare their behavior to various prescriptive models (e.g. averaging, tests of discordancy). We find that, on average, individuals do discount outlying values and that their outlier detection strategies approximate approaches that statisticians have recommended for Gaussian distributions, even when the observed distributions are not Gaussian. However there are notable differences in treatment of outliers across individuals.