1. The moderator-mediator variable distinction in social psychological research. Conceptual, strategic, and statistical considerations;Baron;J. Person. Social Psychol.,1986
2. Actionable gamification: beyond points, badges, and leaderboards;Chou,2016
3. Gamification in education: a cognitive psychology approach to cooperative and fun learning;Demkah,2019
4. From game design elements to gamefulness: defining “gamification;Deterding,2011
5. Gamifying education: what is known, what is believed and what remains uncertain: a critical review;Dichev,2017