STAR structure: Situation (one line of background), Task (the shared goal), Action (how you handled the disagreement), Result (outcome and reflection).
Red lines: Do not demonize the other person or frame it as a character issue. Present their position fairly - it shows you understand the bigger picture.
Strong Actions: Bring the debate back to data - propose a small experiment, an offline evaluation, or a one-page doc to align on evaluation criteria. If it still cannot be decided, explain how you escalated and then executed (disagree and commit).
End with one reflection: what work habit did you change after this?
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