Vivek Fitkariwala's scientific contributions

Publications (3)

Conference Paper
Full-text available
Showing progress towards a goal is a well-established motivational design tactic. This paper describes how university students designed a new "progress meter" for an online learning game and then evaluated the effects of the design using a controlled online experiment, or A/B test. Using the UpGrade A/B testing platform, we randomly assigned 3,200...
Conference Paper
Full-text available
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...
Conference Paper
Full-text available
This paper describes a new, open source tool for A/B testing in educational software called UpGrade. We motivate UpGrade's approach, describe development goals and UpGrade's software architecture, and provide a brief overview of working within UpGrade to define and monitor experiments. We conclude with some avenues for future research and developme...