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Direct linkLawrence T. DeCarlo – Educational and Psychological Measurement, 2024
A psychological framework for different types of items commonly used with mixed-format exams is proposed. A choice model based on signal detection theory (SDT) is used for multiple-choice (MC) items, whereas an item response theory (IRT) model is used for open-ended (OE) items. The SDT and IRT models are shown to share a common conceptualization…
Descriptors: Test Format, Multiple Choice Tests, Item Response Theory, Models
