Assistment2009
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https://ieee-dataport.org/documents/assistment2009
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资源简介：
This is the ASSISTment data that gathered in the school year 2009~2010. The skill builder data is provided.Skill builder data is also called mastery learning data. This dataset is from skill builder (mastery learning) problem sets, in which a student is considered mastered a skill when meeting certain criterion (normally set to answered 3 questions correctly in a row), and no more questions will be given after mastery.
提供机构：
Mao, Shun
