When students are given a choice of when to take an exam in engineering and computing courses, it has been previously observed that average exam scores generally decline over the exam period. This trend may have implications both for the design of interventions to improve student learning and for data analysis to detect collaborative cheating.

中文翻译：

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分析自我安排的异步考试中学生分数随时间的下降

以前已经观察到，当学生可以选择何时参加工程和计算机课程的考试时，平均观察分数通常会在整个考试期间下降。这种趋势可能对设计旨在改善学生学习的干预措施以及对数据分析以检测协作作弊都有影响。