A general proof of consistency of heuristic classification for cognitive diagnosis models

Chia Yi Chiu, Hans Friedrich Köhn

Research output: Contribution to journalArticle

Abstract

The Asymptotic Classification Theory of Cognitive Diagnosis (Chiu et al., 2009, Psychometrika, 74, 633-665) determined the conditions that cognitive diagnosis models must satisfy so that the correct assignment of examinees to proficiency classes is guaranteed when non-parametric classification methods are used. These conditions have only been proven for the Deterministic Input Noisy Output AND gate model. For other cognitive diagnosis models, no theoretical legitimization exists for using non-parametric classification techniques for assigning examinees to proficiency classes. The specific statistical properties of different cognitive diagnosis models require tailored proofs of the conditions of the Asymptotic Classification Theory of Cognitive Diagnosis for each individual model - a tedious undertaking in light of the numerous models presented in the literature. In this paper a different way is presented to address this task. The unified mathematical framework of general cognitive diagnosis models is used as a theoretical basis for a general proof that under mild regularity conditions any cognitive diagnosis model is covered by the Asymptotic Classification Theory of Cognitive Diagnosis.

Original languageEnglish (US)
Pages (from-to)387-409
Number of pages23
JournalBritish Journal of Mathematical and Statistical Psychology
Volume68
Issue number3
DOIs
StatePublished - Nov 1 2015

Fingerprint

Heuristics
Model
Regularity Conditions
Statistical property
Assignment
Theoretical Models
Output
Class
Proficiency

Keywords

  • Asymptotic theory of classification for cognitive diagnosis
  • Classification
  • Cluster analysis
  • Cognitive diagnosis
  • Consistency
  • General cognitive diagnostic models
  • Generalized DINA
  • Loglinear cognitive diagnosis model

ASJC Scopus subject areas

  • Statistics and Probability
  • Arts and Humanities (miscellaneous)
  • Psychology(all)

Cite this

A general proof of consistency of heuristic classification for cognitive diagnosis models. / Chiu, Chia Yi; Köhn, Hans Friedrich.

In: British Journal of Mathematical and Statistical Psychology, Vol. 68, No. 3, 01.11.2015, p. 387-409.

Research output: Contribution to journalArticle

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