Learnersourcing of Complex Assessments

Piotr Mitros
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引用次数: 23

Abstract

We present results from a pilot study where students successfully created complex assessments for a MOOC in introductory electronics -- an area with a very large expert-novice gap. Previous work in learnersourcing found that learners can productively contribute through simple tasks. However, many course resources require a high level of expertise to create, and prior work fell short on tasks with a large expert-novice gap, such as textbook creation or concept tagging. Since these constitute a substantial portion of course creation costs, addressing this issue is prerequisite to substantially shifting MOOC economics through learnersourcing. This represents one of the first successes in learnersourcing with a large expert-novice gap. In the pilot, we reached out to 206 students (out of thousands who met eligibility criteria) who contributed 14 complex high-quality design problems. This results suggests a full cohort could contribute hundreds of problems. We achieved this through a four-pronged approach: (1) pre-selecting top learners (2) community feedback process (3) student mini-course in pedagogy (4) instructor review and involvement.
复杂评估的学习者资源
我们展示了一项试点研究的结果,在这项研究中,学生们成功地为入门电子课程的MOOC创建了复杂的评估,这是一个专家与新手之间存在很大差距的领域。之前关于learnersourcing的研究发现,学习者可以通过简单的任务做出富有成效的贡献。然而,许多课程资源需要高水平的专业知识来创建,并且先前的工作在专家与新手之间存在巨大差距的任务上表现不佳,例如教科书创建或概念标记。由于这些费用构成了课程创建成本的很大一部分,因此解决这一问题是通过学习者资源大幅改变MOOC经济的先决条件。这是在专家和新手之间存在巨大差距的情况下,学习者外包的首批成功案例之一。在试点中,我们接触了206名学生(从数千名符合资格标准的学生中),他们贡献了14个复杂的高质量设计问题。这一结果表明,一个完整的群体可能会造成数百个问题。我们通过四个方面的方法实现了这一目标:(1)预选最佳学习者(2)社区反馈过程(3)学生教育学迷你课程(4)教师评审和参与。
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