The present research aims to establish the predictive validity of the Test of Memory Malingering (TOMM) in a Singaporean sample with mood and psychotic disorders. Its clinical utility was compared against other performance validity tests: Dot Counting Test (DCT), Rey 15-Item Memory Test II (Rey II), Medical Symptom Validity Test (MSVT), Nonverbal Medical Symptom Validity Test (NV-MSVT), Word Memory Test (WMT) and Victoria Symptom Validity Test (VSVT). Findings revealed that TOMM, MSVT, NV-MSVT, WMT and VSVT preserved the ability to distinguish between Clinical participants' simulation groups, and TOMM outperformed all tests except NVMSVT. Overall, findings supported continued use of TOMM.
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