These results replicate previous known-groups malingering studies and provide valuable data supporting the WAIS Digit Span scores in detection and diagnosis of malingering. Results A WAIS-IV DSF scaled score of 4 ( 2 percentile) resulted in specificity values of 0.99 and 0.94 in MCI and mild dementia, respectively. 93, based on a coefficient known as stratified coefficient alpha. Frequencies of scaled scores were analyzed to calculate specificity values for each group. Repeat the sequence of numbers shown during the test. The Digit Span subscale (Digit Span Forward, Backward, and Sequencing combined composite) internal inconsistency reliability has been reported at. Digit Span Instructions A popular working memory test that is used in many cognitive and neuroscience research labs. You can also increase the span of digits displayed to increase test challenge. scores, each scaled to a mean of 10 and standard deviation of 3 within each. Can you memorize a phone number for long enough to write it down How about two phone numbers at the same. tests for forward digit span (FDS) and backward digit :span (BDS) are supple. that separate scaled scores for forward and for backward memory span tasks should be. Patient groups with documented brain pathology had higher false-positive error rates. Choose Forward or Reverse (backwards) for each test. Digit Span is a test of verbal short-term memory. Tirre and Pena (1992) expanded on Daneman and Carpenters test by. (1994) examined the accuracy of several Digit Span based scores (scaled score, raw digit span forward and backward) using a mixed. In TBI, sensitivity to MND ranged from 15% to greater than 30% at specificities of 92% to 98%. Digit Span scores included reliable digit span, maximum span forward both trials correct, maximum span forward, combined maximum forward and backward span, Digit Span scaled score, maximum span backward both trials correct, and maximum span backward. In contrast to Digit Span Backward, Digit Span Forward is not typically. Performance of 1,063 nonincentive patients (e.g., cerebrovascular accident, memory disorder) was also examined. Consequently, the relatively poor view of Digit Span test scores on the grounds. TBI patients (n = 344) were categorized into one of five groups: no incentive, incentive only, suspect, probable MND, and definite MND. The present study determined specificity and sensitivity to malingered neurocognitive dysfunction (MND) in traumatic brain injury (TBI) for several Wechsler Adult Intelligence Scale (WAIS) Digit Span scores.
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