Figure 4 - uploaded by Nirmal Patel
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Experiment 1 where we varied time limit and question difficulty. The question in the left is less difficult versus the question in the right.
Source publication
UpGrade is an open-source tool for A/B testing in educational software. We this study, we used UpGrade to run large scale online experiments in an educational game. Our experiments were aimed at increasing the student engagement. We experimented with various features of the game such as question difficulty, game narrative, feedback style, etc. to f...