One practice Scrum Masters/Team Coaches can use to facilitate conflict management is to enforce working agreements. Working agreements are a set of guidelines that define how a team wants to work together, communicate, and collaborate. They are created by the team members themselves and reflect their shared values, norms, and expectations. Working agreements can help prevent or reduce conflicts by establishing clear boundaries, roles, and responsibilities, as well as by promoting respect, trust, and transparency among team members. Working agreements can also help resolve conflicts by providing a common reference point and a framework for constructive feedback and dialogue. Scrum Masters/Team Coaches can support the team in creating, reviewing, and updating their working agreements, as well as in holding each other accountable for following them.
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Scrum Master/Team Coach - Scaled Agile Framework
How does a Scrum Master manage conflict within a scrum team? - Agile Centre Conflict Management as a Scrum Master | Agile Velocity