A tutorial framework for preprocessing computer-based assessment logs into action sequences, extracting features via n-grams and MDS, applying DIF and hidden Markov models, with R code, illustrated on PIAAC PS-TRE data.
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Analyzing Process Data from Computer-Based Assessments: A Tutorial on Preprocessing, Feature Extraction, and Model-Based Inference
A tutorial framework for preprocessing computer-based assessment logs into action sequences, extracting features via n-grams and MDS, applying DIF and hidden Markov models, with R code, illustrated on PIAAC PS-TRE data.