A List by Author: Vít Stanislav
Evaluation of the Impact of Question Difficulty on Engagement and Learning
We study the impact of question difficulty on learners’ engagement and learning using an experiment with an open online educational system for adaptive practice of geography. The experiment shows that easy questions are better for short term engagement, whereas difficult questions are better for long term engagement and learning. These results stress the necessity of careful formalization of goals and optimization criteria of open online education systems. We also present disaggregation of overall results into specific contexts of practice and highlight the issue of attrition bias. This paper is an extended version of the paper presented at Intelligent Tutoring Systems conference.
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