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Download full textBreslow, Lori; Pritchard, David E.; DeBoer, Jennifer; Stump, Glenda S.; Ho, Andrew D.; Seaton, Daniel T. – Research & Practice in Assessment, 2013
"Circuits and Electronics" (6.002x), which began in March 2012, was the first MOOC developed by edX, the consortium led by MIT and Harvard. Over 155,000 students initially registered for 6.002x, which was composed of video lectures, interactive problems, online laboratories, and a discussion forum. As the course ended in June 2012,…
Descriptors: Online Courses, Electronics, Video Technology, Lecture Method
Thelk, Amy – Research & Practice in Assessment, 2008
Differential Item Functioning (DIF) occurs when there is a greater probability of solving an item based on group membership after controlling for ability. Following administration of a 50-item scientific and quantitative reasoning exam to 286 two-year and 1174 four-year students, items were evaluated for DIF. Two-year students performed…
Descriptors: Test Bias, Probability, Test Items, Student Evaluation
