Incremental Validity Addresses the Question of Whether ______

Incremental validity addresses the question of whether ______.

A) adding another test to a test battery already in use would improve its predictive capability
B) the reliability of the combined test battery would be improved by the addition of another test
C) the client would believe that the additional expense of another test would be justified
D) the addition of another test would make the client feel that his condition was getting worse