Abstract
Establish validity of a web-based performance validity test (PVT) in a mixed-clinical sample of outpatients referred for a neuropsychological evaluation using a known-effort design. Participants were 110 adults (75.4% female, 89% white) classified as valid (i.e., /= 2 PVT failures; M age = 50.75, SD = 12.51, n = 16) based on five well-established PVTs. The MIL Test is a web-based PVT designed to identify noncredible memory performance on a 50-word recognition test that was also administered. ROC curve analyses yielded a significant area under the curve (AUC) of 0.86 (95% confidence interval: 0.78-0.92, p 0.05). Initial support for the validity of the MIL Test was promising in terms of psychometric properties (i.e., classification accuracy, strong convergent and discriminant validity). Future research may benefit from exploring further psychometric development (e.g., item analysis) and validation in larger, more diverse demographic and clinical populations.
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