Test-enhanced learning in a middle school science classroom: The effects of quiz frequency and placement., Journal of Educational Psychology, vol.103, issue.2, pp.399-414, 2011. ,
DOI : 10.1037/a0021782
Strengthening concept learning by repeated testing, Scand. J. Psychol, pp.10-16, 2013. ,
One Size Could Fit It All: a Common Infrastructure for Quiz Apps, Proceedings of the 8th European Conference on Games Based Learning, pp.546-554, 2014. ,
QuizClash | Challenge your friends!, http://www.quizclashgame .com/. 5. Plain Vanilla: QuizUp -Connecting people through shared interests ,
Space for seriousness? Player Behavior and Motivation in Quiz Apps, Entertainment Computing ? ICEC 2015 14th International Conference, pp.482-489, 2015. ,
QuizUp launches tools for creating your own trivia categories and questions, http://thenextweb.com/appsquizup-launches-tools-for- creating-your-own-trivia-categories-and-questions, 2015. ,
Quizzing to Become an Engineer -A Commercial Quiz App in Higher Education New Perspectives in Scienze Education, Conference Proceeding, pp.225-230, 2016. ,
The Analysis of Semi-structured Interviews, Companion to Qualitative Research, pp.253-258, 2004. ,
Developing and Validating Test Items, 2013. ,
The Game Experience Questionnaire: Development of a self-report measure to assess the psychological impact of digital games, 2013. ,
Situated learning: legitimate peripheral participation, 1991. ,
DOI : 10.1017/CBO9780511815355
So lernt man lernen, Der Weg zum Erfolg. Herder, 2011. ,
Independent Research Report: outcomes of using phase-6 16. qLearning Applications GmbH: Skive, https://goskive, 2009. ,
Studyblue - Conquer Your Course, https://www.studyblue, 2016. ,
Simple free learning tools for students and teachers | Quizlet, 2016. ,
NASSUp" Entwicklung eines Fragenkatalogs zum Thema NASS für eine kommerzielle Quiz App, 2016. ,