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Diagnostic Classification Modeling with flexMIRT

  • Li CaiEmail author
  • Carrie R. Houts
Chapter
Part of the Methodology of Educational Measurement and Assessment book series (MEMA)

Abstract

In this chapter, we will focus on the use of flexMIRT® (Cai L, flexMIRT® version 3.5: Flexible multilevel multidimensional item analysis and test scoring [Computer software]. Vector Psychometric Group, LLC, Chapel Hill, 2017) for estimating certain core diagnostic models that have seen practical application, as well as to illustrate the specialized capabilities the software offers. flexMIRT is a commercially available, stand-alone, general purpose item response theory (IRT) software program that is compatible with machines running Windows 7.0 or later. The basic DCM model in flexMIRT is described in Cai, Choi, Hansen, and Harrell (Annu Rev Stat Appl 3:297–321, 2016) as well as in Hansen, Cai, Monroe, and Li (Br J Math Stat Psychol 69:225–252, 2016) in slightly more restricted form. It is an extension of the log-linear cognitive diagnostic model (LCDM) described by Henson, Templin, and Willse (Psychometrika 74:191–210, 2009) with extra random effects to handle cases of possible local dependence.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.University of CaliforniaLos AngelesUSA
  2. 2.Vector Psychometric Group, LLCChapel HillUSA

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