Learning Theories

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Q-matrix is a

• “method, which examines the inputs of many students to automatically extract relationships between questions and underlying concepts, and then uses those relationships in diagnosing and correcting student misconceptions.”
• domain-independent knowledge model
• originally a binary matrix showing the relationship between test items and latent or underlying attributes, or concepts
• To build the q-matrix, experts constructed a relationship between test questions and concepts (referred to as attributes) and students taking the test were assigned knowledge states based on their test answers and the constructed q-matrix ¹⁾