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Results: 73
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  • Open Access
    van der Palm, D. W., van der Ark, L. A., & Sijtsma, K. (2014). A flexible latent class approach to estimating test-score reliability. Journal of Educational Measurement, 51(4), 339-357. https://doi.org/10.1111/jedm.12053
  • Ligtvoet, R., van der Ark, L. A., Bergsma, W. P., & Sijtsma, K. (2011). Polytomous latent scales for the investigation of the ordering of items. Psychometrika, 76(2), 200-216. https://doi.org/10.1007/s11336-010-9199-8
  • Ligtvoet, R., van der Ark, L. A., te Marvelde, J. M., & Sijtsma, K. (2010). Investigating an invariant item ordering for polytomously scored items. Educational and Psychological Measurement, 70(4), 578-595. https://doi.org/10.1177/0013164409355697
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