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Diagnose High False Positives

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Your question is Diagnose High False Positives. Take a moment with it on the right.

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Problem

Scenario

You are reviewing a job recommendation model that ranks candidates for open roles. Recruiters have started complaining that too many of the top recommendations are poor fits, and the team suspects the model is over-assigning high scores to weak matches. The current decision threshold was set during launch and has not been revisited since the model went live.

Question

If your job recommendation model is suffering from a high false-positive rate, how would you diagnose and address the issue?