Findings suggest that using the well-established TOMM-1 cutoff of ≤41 and M-FAST cutoff of ≥6 together versus independently can help detect feigned DID symptoms. Chaining multiple validity tests may therefore be a useful way to improve the detection of feigned symptoms in DID evaluations. (PsycInfo Database Record (c) 2026 APA, all rights reserved).
Finley et al. (Mon,) studied this question.