Stephanie is a corporate trainer. One of her favorite ways to start a training program is to present a case study and encourage members to think of the case in depth and discuss it amongst each other. Using the results of the activity, she understands the baseline measures of the group's functioning. During one of her recent sessions, she observed that the group came to a consensus very quickly. However, when asked to present their views, the team members were not too confident and appeared to be under an illusion of unanimity. From this scenario, we can say that this group experienced . Group of answer choices diversity groupshift role conflict groupthink