Online learning is a powerful option for professional development in various careers, including marketing. However, massive open online courses (MOOCs) tend to face an issue of course dropouts, and this cannot only be attributed to factors like course content or value. Social interactions among students and interest-generating elements of MOOCs are equally important elements of online learning ecosystems. Therefore, this study approaches the problem from the perspective of the social exchange theory with insights into the cognitive evaluation theory to predict the effects of social interactions and gamification rewards on the process of studies. The data from an experiment and a subsequent survey of marketing course participants were used to analyze student satisfaction and dropouts through the lens of the social exchange theory and to see the effects of expected and unexpected gamification rewards. This contributes to the knowledge about factors that influence online course discontinuation, provides managerial and educational insights on dropout reduction, and specifies directions for further studies on the use of gamification elements in MOOCs.