CAMEO Dataset: Detection and Prevention of \"Multiple Account\" Cheating in Massively Open Online Courses

[NOTE: Data are currently only accessible to qualified reviewers. For reviewers, detailed dataset descriptions are provided as text files associated with each dataset.] This dataset includes statistics about student actions in MITx and HarvardX courses, used in an analysis of Copying Answers using Multiple Existences Online (CAMEO) behavior. The data are partially anonymized, but insufficiently so for open release.【注：目前本数据集仅对符合资质的评审人员开放访问。针对评审人员，详细的数据集说明已以文本文件形式随各数据集一并提供。】本数据集收录了麻省理工学院在线课程（MITx）与哈佛大学在线课程（HarvardX）中学生行为的相关统计数据，用于一项针对依托多个在线账号复制答案（CAMEO）行为的分析研究。该数据已进行部分匿名化处理，但匿名程度不足以支持公开发布。