Casual Social Games as Serious Games: The Psychology of Gamification in Undergraduate Education and Employee Training. - Richard N. Landers; Rachel C. Callan (Serious Games and Edutainment Applications, 2011)

An Experiment on Anonymity and Multi-User Virtual Environments: Manipulating Identity to Increase Learning from Online Collaborative Discussion. - Richard N. Landers; Rachel C. Callan (Int. J. Gaming Comput. Mediat. Simulations, 2014)

Gamification of task performance with leaderboards: A goal setting experiment. - Richard N. Landers; Kristina N. Bauer; Rachel C. Callan (Comput. Hum. Behav., 2017)