article
Role Clarity Deficiencies Can Wreck Agile Teams.
Barke, Helena, and Lutz Prechelt. "Role Clarity Deficiencies Can Wreck Agile Teams." PeerJ Computer Science 5 (2019): e241. https://doi.org/10.7717/peerj-cs.241.
Why this matters here
Barke and Prechelt show that unclear ownership roles can undo agile teams even when ceremonies continue. Coupling uses that finding for team-scale cohesion: Heart of Agile helps only when people can see who decides, delivers, reflects, and improves.
