Markov Decision Process Measurement Model

Michelle M. LaMar ()
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Michelle M. LaMar: Educational Testing Service

Psychometrika, 2018, vol. 83, issue 1, No 4, 67-88

Abstract: Abstract Within-task actions can provide additional information on student competencies but are challenging to model. This paper explores the potential of using a cognitive model for decision making, the Markov decision process, to provide a mapping between within-task actions and latent traits of interest. Psychometric properties of the model are explored, and simulation studies report on parameter recovery within the context of a simple strategy game. The model is then applied to empirical data from an educational game. Estimates from the model are found to correlate more strongly with posttest results than a partial-credit IRT model based on outcome data alone.

Keywords: latent-trait model; cognitive model; performance assessment (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (5)

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DOI: 10.1007/s11336-017-9570-0

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