Performance on the Test of Memory Malingering is predicted by the number of errors on its first 10 items on an inpatient epilepsy monitoring unit. Objective: The addition of Sequencing to WAIS-IV Digit Span (DS) brought about new Reliable Digit Span (RDS) indices and an Age-Corrected Scaled Score that.Limited usefulness of the Rey Fifteen-Item Test in detection of invalid performance in veterans suspected of mild traumatic brain injury.Cross-cultural effect on suboptimal effort detection: an example of the Digit Span subtest of the WAIS-III in Taiwan.Utility of WAIS-IV Digit Span indices as measures of performance validity in moderate to severe traumatic brain injury.Digit Span embedded validity indicators in neurologically-intact veterans.Utility of various WAIS-IV Digit Span indices for identifying noncredible performance validity among cognitively impaired and unimpaired examinees.Use of the Wechsler Adult Intelligence Scale Digit Span subtest for malingering detection: a meta-analytic review.Detecting incomplete effort with Digit Span from the Wechsler Adult Intelligence Scale-Third Edition.Expansion and re-examination of Digit Span effort indices on the WAIS-IV.Much of the research to date regarding performance validity, including use of RDS, has been done with adults with an overrepresentation of traumatic brain injury. Exploration of malingering indices in the Wechsler Adult Intelligence Scale-Fourth Edition Digit Span subtest. Reliable Digit Span (RDS Greiffenstein, Baker, & Gola, 1994) is a well-established embedded measure of performance validity (Boone, 2007 Schroeder, Twumasi-Ankrah, Baade, & Marshall, 2012) that can be derived from standard DS administration.Of these indices, revised RDS and the Digit Span age-corrected scaled score provide the most accurate measure of performance validity among the three measures. The traditional RDS (≤ 7), revised RDS (≤ 11), and Digit Span age-corrected scaled score (≤ 6) had respective sensitivities of 39%, 39%, and 33%, and respective specificities of 82%, 89%, and 91%. Data were collected from 138 Veterans seen in a traumatic brain injury clinic. Reliable Digit Span (RDS) is a heavily researched symptom validity test with a recent literature review yielding more than 20 studies ranging in dates from 1994 to 2011. This study examined the relative diagnostic accuracy of the traditional RDS, an extended RDS including the new Sequencing task from the Wechsler Adult Intelligence Scale-IV, and the age-corrected scaled score, relative to performance validity as determined by the Test of Memory Malingering. Reliability was high for Digit Span forward, low for Digit. Some authors have suggested that the age-corrected scaled score provides a more accurate measure of effort than RDS. Table 1 shows descriptive data, internal consistency, and reliable change coefficients for each task. N2 - Reliable Digit Span (RDS) is a measure of effort derived from the Digit Span subtest of the Wechsler intelligence scales. doi: 10.T1 - WAIS-IV reliable digit span is no more accurate than age corrected scaled score as an indicator of invalid performance in a veteran sample undergoing evaluation for mTBI. An RDS score of 7 is commonly referenced as indicative of invalid performance however, few studies have examined the classification accuracy of the RDS among individuals suspected for dementia. Reliable digit span: does it adequately measure suboptimal effort in an adult epilepsy population ? Arch Clin Neuropsychol. Objective: The Reliable Digit Span (RDS) is a well-validated embedded indicator of performance validity. Maiman M, Del Bene VA, MacAllister WS, et al. A secondary analysis concluded that a cutoff of 4 or less may be more appropriate for adults with epilepsy who have a low average IQ or lower.A cutoff of 6 or less on the RDS subtest yielded a specificity of 85% while 7 or less yielded 77%.
#Reliable digit span trial#
Maiman et al applied these thresholds to adult patients with epilepsy or suspected seizures, most of whom passed trial 2 of the Test for Memory Malingering with a score of 45 or above.A cutoff of ≤6 or ≤7 for RDS, which is part of the Wechsler Adult Intelligence Scale, is typically used in adult clinical populations.The commonly accepted cutoff scores for reliable digit span (RDS), a way to measure attention and working memory and assess suboptimal effort, are not appropriate for adults with epilepsy, according to a study of 63 patients with epilepsy or suspected seizures.
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