Abstract
This chapter formally describes the multicomponent latent trait model for diagnosis (MLTM-D; Embretson S.E., Yang X, Psychometrika 78:14–36, 2013) and then provides examples of applications to diagnose broad and narrow skills, as well as measure processing complexity and attainment. MLTM-D can be applied to diagnose either skill mastery or cognitive processing capabilities of examinees. MLTM-D is readily applicable to diagnose hierarchically-structured skills or to assess cognitive processes with postulated sources of complexity. That is, MLTM-D is a multidimensional conjunctive model for item responses that are impacted by varying underlying components with specifiable sources of complexity. MLTM-D can be applied to assess both processing competencies of examinees and the impact of the postulated features on process difficulty.
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Embretson, S.E. (2019). Diagnostic Modeling of Skill Hierarchies and Cognitive Processes with MLTM-D. In: von Davier, M., Lee, YS. (eds) Handbook of Diagnostic Classification Models. Methodology of Educational Measurement and Assessment. Springer, Cham. https://doi.org/10.1007/978-3-030-05584-4_9
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DOI: https://doi.org/10.1007/978-3-030-05584-4_9
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