Which of the following statement/s is/are true about group performance? A. The performance of a homogeneous group is superior to that of a heterogeneous group when the task requires innovative ideas. B. Given all things equal, the performance of heterogeneous groups is superior to that of homogeneous groups in tasks that need innovative initiatives. C. Given all things equal, diverse groups are more productive than homogeneous groups in routine tasks. D. Team performance in any task is always high only when all speak the same language. E. All of the above are true statements