Abstract
The log-linear cognitive diagnosis model (LCDM) is a modern technique that dichotomously classifies individuals (e.g., possession and non-possession) on attributes of a multidimensional construct, which is particularly suited to diagnostic and formative assessments where a classification decision is desired (e.g., to assign intervention or not). This article provides a tutorial for conducting analyses using the LCDM and illustrates an application in career assessment with simulated data to showcase the unique types of diagnostic feedback the LCDM provides. The article concludes with a discussion of the ideal contexts in which to apply the model and its implications in career and educational assessment.
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