Some MMPI-2 experts have argued that new supplemental scales should be adopted only if they provide unique information about a person's behavior,personality,or psychopathology that is not conveyed by other measures.In other words,new supplemental scales should have good

Question

Quizplus · Accepted Answer

Incremental validity refers to the degree to which a new assessment adds unique information that was not captured by existing assessments. Therefore, new MMPI-2 supplemental scales should have good incremental validity to warrant their adoption. While the constructs of convergent and construct validity are important, they are not as relevant in determining whether new scales should be adopted.

Some MMPI-2 Experts Have Argued That New Supplemental Scales Should