Abstract
Varied measures of contingency have appeared in the psychological judgment literature concerned with binary variables. These measures are examined, and the inappropriateness of some are noted. As well, it is argued that accurate judgments about related variables should not be used to infer that the judgments are based on the appropriate information.
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The preparation of this manuscript was supported by a grant from the Science and Engineering Research Board at McMaster University. I would like to thank H. M. Jenkins for reading and commenting on an earlier draft.
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Allan, L.G. A note on measurement of contingency between two binary variables in judgment tasks. Bull. Psychon. Soc. 15, 147–149 (1980). https://doi.org/10.3758/BF03334492
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DOI: https://doi.org/10.3758/BF03334492