The MMPI-2 is the most widely used test in custody evaluations. Matrimonial lawyers must know how the test operates because of its use and misuse. The critical query is whether the test scores correlate to other indications of what is in the best interest of the children. Additionally, the test results are often difficult to weigh within the context of custody proceedings because of the incentive to present oneself favorably. There are scales within the test that are supposed to counter this. However, these scales remain somewhat problematic.