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Download full textHan, Kyung T. – Practical Assessment, Research & Evaluation, 2012
For several decades, the "three-parameter logistic model" (3PLM) has been the dominant choice for practitioners in the field of educational measurement for modeling examinees' response data from multiple-choice (MC) items. Past studies, however, have pointed out that the c-parameter of 3PLM should not be interpreted as a guessing…
Descriptors: Statistical Analysis, Models, Multiple Choice Tests, Guessing (Tests)
