The Empirical Keying Approach to Making a Test Like the MMPI

The empirical keying approach to making a test like the MMPI involves

A) subjective scoring of test items to assign items to different groups.
B) picking items that differentiate between different groups, no subjective judgment is needed.
C) the creation of ambiguous stimuli where there are many possible responses.
D) using theoretically-based concepts to develop questions for different groups.