Regarding the Clinical Utility of Psychological Tests, Research Has Shown

Regarding the clinical utility of psychological tests, research has shown that:

A) behavior and symptom checklists greatly influence the success of psychological treatments
B) behaviorally oriented assessment strategies with broad idiographic measurements in particular are clinically extremely useful
C) there is no scientific evidence that results of assessments like the MMPI or the Rorschach have a meaningful impact on the outcome of psychological services.
D) most of the research conducted has been on the degree to which personality tests are necessary for the success of psychological treatment.