, Volume 61, Issue 2, pp 331–354

Multidimensional adaptive testing

  • Daniel O. Segall

DOI: 10.1007/BF02294343

Cite this article as:
Segall, D.O. Psychometrika (1996) 61: 331. doi:10.1007/BF02294343


Maximum likelihood and Bayesian procedures for item selection and scoring of multidimensional adaptive tests are presented. A demonstration using simulated response data illustrates that multidimensional adaptive testing (MAT) can provide equal or higher reliabilities with about one-third fewer items than are required by one-dimensional adaptive testing (OAT). Furthermore, holding test-length constant across the MAT and OAT approaches, substantial improvements in reliability can be obtained from multidimensional assessment. A number of issues relating to the operational use of multidimensional adaptive testing are discussed.

Key words

computerized adaptive testing mathematical models multidimensional adaptive testing multidimensional item response theory reliability tests 

Copyright information

© The Psychometric Society 1996

Authors and Affiliations

  • Daniel O. Segall
    • 1
  1. 1.Navy Personnel Research and Development CenterUSA
  2. 2.Defense Manpower Data Center, DoD Center Monterey BaySeaside

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