Latent structureCognitive Diagnosis
Rule Space Methodology
Rule Space Methodology (RSM) is a diagnostic classification approach developed by Tatsuoka (1983) that uses Item Response Theory and geometric methods to classify examinees into knowledge states based on their response patterns. Unlike classical scoring, RSM identifies which specific skills or competencies an examinee possesses or lacks, enabling targeted educational interventions.
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Sources
- Hartz, S. M. (2002). A Bayesian framework for the unified treatment of assessing dimensionality, assessing local dependence, and estimating ability for unidimensional and multidimensional item response data. Unpublished doctoral dissertation, University of Illinois at Urbana-Champaign. link ↗
- Tatsuoka, K. K. (1983). Rule space: An approach for dealing with misconceptions based on item response theory. Journal of Educational Measurement, 20(4), 345-354. DOI: 10.1111/j.1745-3984.1983.tb00212.x ↗
- Tatsuoka, K. K., & Tatsuoka, M. M. (2009). Cognitive diagnosis and measurement in clinical and educational settings. In D. J. Ketterlin-Geller, D. L. Compton, & K. L. Hosp (Eds.), Handbook of Instructional Practices for Struggling Adolescent Readers: A Problem-Solving Approach (pp. 111-138). Routledge. ISBN: 9780415954204