Using and Designing Platforms for In Vivo Educational Experiments
4 Pages Posted: 12 Apr 2015
Date Written: March 18, 2015
In contrast to typical laboratory experiments, the everyday use of online educational resources by large populations and the prevalence of software infrastructure for AB testing leads us to consider how platforms can embed in vivo experiments to improve their educational components. Examples are presented of randomized experimental comparisons we have conducted in three widely used online educational platforms Khan Academy, edX, and ASSISTments. We suggest design principles for platform technology to support randomized experiments that lead to practical improvements enabling Iterative Improvement and Collaborative Work along with how they were implemented by WPI coauthors in the ASSISTments platform, and how they have supported ASSISTments users.
Keywords: Intelligent tutoring system, MOOC; randomized controlled trial, A/B testing, crowdsourcing, collaborative work
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