In this study, we investigated the effect of type of positive interdependence (roles, rewards, roles-plus-rewards, or Keywords: Cooperative learning, positive interdependence, affiliation, social orientation, roles, rewards, online, asynchronous, distance learning Over the past decade, there has been increased research on using small group methods with college students and other adult learners. According to Johnson, Johnson, and Smith (1998a), the results of this research are impressive when the magnitude of effect sizes in favor of cooperative over competitive and individual methods are considered. Furthermore, a meta-analysis of 39 studies in undergraduate settings points to significant positive effects of