Heterogeneity of group members is a double-edged sword because A. heterogeneous groups probably have a higher performance potential then do homogeneous groups, but they often have a lower tendency to suffer process losses B. none of these C. heterogeneous groups probably have a higher performance potential then do homogeneous groups, but also a higher tendency to suffer process losses D. heterogeneous groups probably have a lower performance potential then do homogeneous groups, but also a lower tendency to suffer process losses