Bulletin of the Psychonomic Society

, Volume 15, Issue 3, pp 147–149 | Cite as

A note on measurement of contingency between two binary variables in judgment tasks

  • Lorraine G. Allan


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.


Binary Variable Judgment Task Accurate Judgment Marginal Frequency Contingent Problem 
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Copyright information

© The Psychonomic Society, Inc. 1980

Authors and Affiliations

  • Lorraine G. Allan
    • 1
  1. 1.Psychology DepartmentMcMaster UniversityHamiltonCanada

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