Construct: Task conflict and relationship conflict
Source 1: Jehn, K. A. (1995). A multimethod examination of the benefits and detriments of intragroup conflict. Administrative Science Quarterly, 40, 256-282. This is a widely used scale featuring four items for task conflict and four items for relationship conflict. 42 item survey used.
Source 2: Behfar, K. J., Peterson, R. S., Mannix, E. A., & Trochim, W. M. K. (2008). The critical role of conflict resolution in teams: A close look at the links between conflict type, conflict management strategies, and team outcomes. Journal of Applied Psychology, 93, 170-188.
Ask team members to describe conflicts (if any) since their last assignments, and also how did the group manage these conflicts.