When validating assessment models built with data mining, generalization is typically tested at the student-level, where models are tested on new students. This approach, though, may fail to find cases where model performance suffers if other aspects of those cases relevant to prediction are not well represented. We explore this here by testing if…

The National Assessment Governing Board (NAGB) oversees and sets policy for the National Assessment of Educational Progress (NAEP). Since 1969, NAEP has provided information to the public on the achievement of the nation's elementary and secondary students at grades 4, 8, and 12. As the only continuing measure of student achievement at grade 12,…

A study measured the effectiveness of the Channel One news program on student achievement in current events. Data were collected to measure the difference in current events knowledge between those students who viewed and discussed Channel One, and those students who had no access to the program. Data based on gender differences in student…

The 12th iteration of the International Conference on Educational Data Mining (EDM 2019) is organized under the auspices of the International Educational Data Mining Society in Montreal, Canada. The theme of this year's conference is EDM in Open-Ended Domains. As EDM has matured it has increasingly been applied to open-ended and ill-defined tasks…