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Improve Underperforming Model Accuracy

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Your question is Improve Underperforming Model Accuracy. Take a moment with it on the right.

Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).

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Problem

Scenario

You've shipped a model that is underperforming relative to expectations, and the team wants a clear plan to improve it. You need to explain how you would evaluate the current errors, identify likely causes, and decide which changes are most likely to raise performance.

Question

How would you improve the accuracy of a model that is underperforming?

Current Signals

Recall·0.65Macro F1·0.69Precision·0.74Test accuracy·0.76Train accuracy·0.89Validation accuracy·0.78

Representative Context

Anchor your answer in a realistic example such as a Grammarly Editor suggestion classifier, where both false positives and false negatives affect user trust and product value.