What does a much higher score on the Eyeball dev set than on the Blackbox dev set usually indicate?

True or False: If a small development set is being overfit, collecting additional data for that set can help address the problem.

If your tuning set looks much better than your holdout set, you have _____ the tuning set.

Match each dev set situation to its best interpretation.

Steps for spotting an overused validation set

Why adding more examples can reduce overfitting in a manually reviewed validation set

Diagnosing a reviewed dev set that has become too familiar

How can you tell a development set has been overused?

What is the recommended fix when a development set has become too specialized to be a reliable guide?

True or False: If a model scores higher on a small hand-reviewed validation set than on a separate hidden validation set, that always means the model is well tuned.