What occurs when Coverage Mode is activated in a prioritized review queue?

When Coverage Mode is activated in a prioritized review queue, the primary goal is to enhance the model's effectiveness by focusing on serving documents that are most beneficial for training. This mode prioritizes documents that contribute significantly to the learning process, usually by ensuring that a diverse and representative sample of relevant documents is reviewed. This approach helps optimize the model's performance over time, as it can learn from a broader range of data.

In this context, the choice emphasizes the function of Coverage Mode in improving the training quality of the model, making it the correct selection for this question.