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knowledge_assessment:q-matrix [2012/07/04 16:05] jpetrovic created |
knowledge_assessment:q-matrix [2012/07/04 16:31] jpetrovic |
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Q-matrix is a | 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.//" | * "//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 |