The Memory Integrated Language Test (MIL Test): Initial Validation of a Novel Web-Based Performance Validity Test

AbstractThis pilot study aimed to establish initial validity of a novel web-based freestanding performance validity test (PVT) in a mixed clinical sample of outpatients (N = 110) referred for neuropsychological evaluation. Participants were 110 adults (75.4% female, 89% white) classified as valid (i.e., ≤ 1 PVT failures;M age  = 50.98, SD = 15.51,n = 94) or invalid (i.e., ≥ 2 PVT failures;M age  = 50.75, SD = 12.51,n = 16) using a known-group design with five well-established, independent criterion PVTs. The Memory Integrated Language Test (MIL Test) is a web-based PVT designed to identify noncredible memory performance on a 50-word recognition test. Receiver operating characteristic curve analyses yielded a significant area under the curve of .86, suggesting excellent classification accuracy for identifying atypical performance. The MIL Test maximized accuracy with 75% sensitivity/88% specificity at an optimal cut score of ≤ 41. Convergent validity was supported by significant correlations with several freestanding and embedded PVTs (p <  .01), and discriminant validity was supported by nonsignificant correlations with executive function and attention/processing speed domain scores (p >  .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 furth...
Source: Psychological Injury and Law - Category: Medical Law Source Type: research