Using Decision Theory, Both Expectancy Tables and Group Separation Help

Multiple Choice

Using decision theory, both expectancy tables and group separation help to determine:

A) differences between the standardization group and the population of interest.
B) whether an instrument differentiates between groups.
C) whether or not counselors should decide to use an instrument based on the groups represented in the norming sample.
D) whether or not males and females should be separated during group test administration.