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Curriculum designers should encourage formative peer assessment ; provide summative assessment of process and credit for participation ; provide summative assessment of group products ; make group work and problem-based learning explicit in learning outcomes ; require a minimum level of participation ; set explicit tasks ( e.g ., discussion of cases , readings , or shared events ) ; build in review of group work process ; adjust workload to allow time for discussion ; make conceptual learning and higher order reasoning explicit and appropriate learning outcomes ; build in appearances of online guests ; and rotate roles within the group . One might usefully ask what was the role of the Caribbean Group during this period . These conflicts may relate to the work of the group itself or to personalities and roles within the group . Several Republicans strongly dissented on the report with conclusions about the Iraqi National Congress , saying they overstated the role that the exile group had played in the prewar intelligence assessments about Iraq . The discussion covers components of a cooperative learning program , include forming structured-learning teams , assigning and rotating roles within the group , and using team-building activities . Indeed , as government abandons its role in preserving and protecting the public good in favour of encouraging private interests , the role of the interest group has necessarily changed . Action-research turns all the people involved in a project into researchers , based on the belief that people learn best , and are more willing and able to apply research findings , through doing the research themselves.7 This mode of enquiry also enabled the initiating researchers to occupy different roles within the group appropriate to the work we were engaged in . The main role of the study group is to help students organize their thoughts , test their understanding by asking and answering questions , learn how to approach the material , and understand the basic concepts involved . Doing an evaluation provides a key opportunity to consider the leadership roles within the group .