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| Cognitive Diagnostic Modeling× | Educational Data Mining× | |
|---|---|---|
| Fagområde | Education | Education |
| Familie≠ | Latent structure | Machine learning |
| Oprindelsesår≠ | 2010 | 2009 |
| Ophavsperson≠ | Tatsuoka; DiBello, Roussos & Stout; Junker & Sijtsma; de la Torre | Educational data mining community (Baker, Yacef, Romero, Ventura) |
| Type≠ | Restricted latent class models for diagnosing mastery of discrete skills | Application of data-mining and machine-learning methods to educational data |
| Oprindelig kilde≠ | Rupp, A. A., Templin, J., & Henson, R. A. (2010). Diagnostic Measurement: Theory, Methods, and Applications. Guilford Press. ISBN: 9781606235270 | Baker, R. S. J. d., & Yacef, K. (2009). The state of educational data mining in 2009: A review and future visions. Journal of Educational Data Mining, 1(1), 3–17. link ↗ |
| Aliasser≠ | CDM, Diagnostic Classification Models, DCM, DINA / G-DINA Models | EDM, Mining Education Data, Data Mining in Education, Learner Data Mining |
| Relaterede | 4 | 4 |
| Resumé≠ | Cognitive diagnostic models (CDMs), also called diagnostic classification models, are restricted latent class models that report not a single ability score but a profile of which discrete skills or attributes a student has mastered. Each item is linked to the attributes it requires through a Q-matrix, and the model classifies every examinee into one of the possible binary mastery patterns. CDMs answer 'which specific skills does this student lack' rather than 'how much overall ability does this student have,' making them central to fine-grained diagnostic and formative assessment. | Educational data mining (EDM) is the field that develops and applies data-mining and machine-learning methods to data generated by educational settings — clickstreams from online courses, intelligent tutoring system logs, assessment records, and student information systems. Its goal is to discover patterns that explain and predict learning: who is at risk of failing, how students work through material, which content sequences help, and what hidden skill structures underlie performance. EDM treats fine-grained learner data as a source of actionable scientific and practical insight. |
| ScholarGateDatasæt ↗ |
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