# An evaluation of mathematics competitions using item response theory

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*Article*: An evaluation of mathematics competitions using item response theory*Author(s)*: Jim Gleason*Journal:*Notices of the American Mathematical Society**55**(2008), no. 1, 8-15

**Abstract:** Item Response Theory (IRT) is a psychometric technique mathematically modeling the probability of the responses of individuals of varying ability to questions (items) on multiple-choice examinations. The author gives an introduction to IRT and explains how it can be used to assess mathematics tests from competitions to placement exams.

**Download:** http://www.ams.org/notices/200801/ (free)