Mel is working in a group that has been formed at a children's toy manufacturing company to create a new list of safety standards for the toys. Several members of the group are supervisors who will be penalized if they do not meet the deadline, and they are very eager to convince the others to get the job done quickly. Mel is concerned that the new safety standards may be jeopardized due to _____. a) Groupthink b) Need to belong c) Social facilitation d) Repetition