If a teacher wanted to determine how well a standardized achievement test would measure the objectives which she had been trying to teach, it would be best for her to:

compare the test with objectives

Explanation:

In simple words, the given case relates to the study of results by utilizing the comparison approach. Under such method, the individual analyzing the result assumes some predefined level of results which are acceptable, they are called objectives, and then compare them with the actual results.

This approach is helpful as one can see the deficiencies clearly and can work out them in future however it shows the results in relation to a group and not for individuals elements separately.