Suppose someone charges that the driver's license exam is "biased" against people with poor eyesight. To evaluate that claim, what evidence would be most important?

Question

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The most important evidence to evaluate the claim that the driver's license exam is biased against people with poor eyesight would be whether the exam accurately predicts driving performances of people with poor vision. This would determine whether the exam is actually biased or not. A and D may provide some information, but they do not directly address the bias against people with poor eyesight. B also may provide some information, but it does not necessarily indicate bias, as there may be other factors that contribute to someone passing or failing the exam.

Suppose Someone Charges That the Driver's License Exam Is "Biased