Department of Brain Injury Medicine, Womack Army Medical Center, Ft. Bragg, NC 29310-7301, USA.
Clin Neuropsychol. 2013;27(6):1043-59. doi: 10.1080/13854046.2013.804949. Epub 2013 Jun 4.
This research examined cutoffs for the Test of Memory Malingering (TOMM) in a military sample composed primarily of mTBI patients. The results are consistent with previous research and provide additional evidence that cutoffs higher than those originally recommended for the TOMM can produce excellent classification and diagnostic statistics when a psychometrically defined non-malingering group is compared with three psychometrically defined malingering groups: Probable, Probable to Definite, and Definite Malingering. The groups were formed based on the number of symptom and performance validity tests passed or failed. Cutoffs that were 4-5 points higher for Trial 2 and the Retention Trial than originally recommended produced very low false positive rates (.0 to .06) and excellent positive predictive values (.75 to 1.00) for a base rate of malingering commonly found in TBI patients. Positive likelihood ratios were all above 10 for these two trials indicating excellent ability to rule in malingering. A range of cutoffs for Trial 1 were also examined, and classification and diagnostic statistics are presented for cutoffs ranging from 40 to 44 with results similar to the other TOMM trials.
本研究在一个主要由 mTBI 患者组成的军事样本中检验了记忆测验测谎（TOMM）的截断值。结果与先前的研究一致，为使用心理测量定义的非测谎组与三个心理测量定义的测谎组（可能、很可能到确定、确定测谎）进行比较时，提供了更高的 TOMM 截断值可以产生出色的分类和诊断统计数据的额外证据：基于通过或未通过的症状和表现有效性测试的数量来形成这些组。与最初推荐的相比，Trial 2 和 Retention Trial 的截断值高 4-5 分，对于常见于 TBI 患者中的测谎率为 0.06），阳性预测值非常高（0.75 至 1.00）。对于这两个测试，阳性似然比均高于 10，表明具有出色的测谎能力。还检查了 Trial 1 的一系列截断值，并为截断值在 40 到 44 之间的测试呈现了分类和诊断统计数据，结果与其他 TOMM 测试相似。
