Learner's rewards and engagement are accredited to the reward system. The reards system has given learners more initiative to be more engaged in their work. Students are becoming more accustomed to being rewarded for their work and participation in assignments. Rewards such as shinning badges, points earned, level progression, and being name top tier is a big deal to students. These types of rewards play a big part in the engagement and participation of students.
https://scholarworks.gvsu.edu/cgi/viewcontent.cgi?article=1292&context=theses