Objective: The purpose of this study was to describe Reliable Digit Span (RDS) performance in adults with probable or suspected dementia. Little research has examined RDS performance in this population. Method: This archival study consisted of 46 (26 males; 20 females) patients referred for a neuropsychological evaluation at a medical center due to concerns with cognition. Average age and education level were 67.8 ± 8.7 SD and 14.4 ± 3.1 SD respectively. Diagnoses included probable Alzheimer's disease/cortical dementia (n = 5), vascular disease/vascular dementia (n = 34), and multiple diagnoses (n = 7). Results: Average RDS scores were 8.28 ± 2.1 SD (range = 3-14); FSIQ scores had a M = 92.1±17.9 SD (range = 58-135); and Wide Range Achievement Test (WRAT-Reading) scores had a M = 98.8±15.5 SD (range = 64-131). RDS significantly correlated with FSIQ, r(n = 44) = 0.53, p < 0.001 and WRAT (Reading) scores, r(n...

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