[Data/Analysis] How do you avoid building requirements around a vanity metric?

Instruction: Explain how you keep a project from centering on a metric that is visible but not truly useful.

Context: Assesses whether the candidate can distinguish meaningful measures from metrics that look good but do not guide decisions.

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I usually test a metric by asking what decision it would change. If a number is easy to report and easy to celebrate, but nobody can explain what action it should drive or how it connects to the business objective, it may be a vanity metric. That does not mean it is worthless, but it probably...

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