Abstract
The current study attempted to improve upon the efficiency and accuracy of one of the most frequently administered measures of test validity, the Test of Memory Malingering (TOMM) by utilizing two short forms (TOMM trial 1 or TOMM1; and errors on the first 10 items of TOMM1 or TOMMe10). In addition, we cross-validated the accuracy of five embedded measures frequently used in malingering research. TOMM1 and TOMMe10 were highly accurate in predicting test validity (area under the curve [AUC]=92% and 87%, respectively; TOMM1≤40 and TOMMe10≥1; sensitivities>70% and specificities>90%). A logistic regression of five embedded measures showed better accuracy compared with any individual embedded measure alone or in combination (AUC=87%). TOMM1 and TOMMe10 provide evidence of greater sensitivity to invalid test performance compared with the standard TOMM administration and the use of regression improved the accuracy of the five embedded cognitive measures.
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