Analyzing why a team arrived at a decision can be both unfamiliar and uncomfortable. It requires self-awareness from team members; the self-confidence to acknowledge mistakes, especially interpersonal ones; and the candor and trust to give and receive delicate feedback. The process is likely to be more efficient, and less painful, when it is mediated by a neutral expert from outside the team.
Many companies are adopting the "After-Action Review." What's here is weak. Seek out some material on after action reviews.
