Objective: Neurocognitive assessment in sports concussion is widely accepted. Accurate detection of post-injury changes is contingent on accurate and stable psychometric measurement. While individual measures or batteries have been explored, there is no consensus gold standard tool or methodology. We attempt to add to the literature by exploring reliability across multiple computerized and a paper and pencil neurocognitive battery. Method: Over the course of one soccer season, test-retest reliabilities, including paired t-tests, intraclass-correlation coefficient (ICC), and reliable change indices (RCI; Iverson, 2001), were calculated for two computerized cognitive batteries and a traditional paper and pencil battery. The sample (N = 11) consisted of high school female soccer players. Results: ICCs ranged from -.14 to .97. Considering reliability estimates (Slick, 2006) for all 28 possible subtest and summary indices, 4 were considered to be very high (≥ = .90), 7 were high (.80-.89), 2 were adequate (.70- .79), 2 were marginal...

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