Traditional MMPI-2 validity scales, the Lees-Haley Fake Bad Scale (FBS), and the Arbisi and Ben Porath Infrequency Psychopathology Scale (F(p)) were evaluated in 33 personal injury litigants who had failed forced-choice symptom validity testing and other measures of effort in patterns consistent with the Slick, Sherman, and Iverson (1999) criteria for definite and probable malingered neurocogni...