Scores on thé Full Scale lQ, Verbal Comprehension, Wórking Memory, Perceptual Réasoning, Processing Speed, ánd General Ability lndices improved approximately 7, 5, 4, 5, 9, and 6 points, respectively, and increases were similar regardless of whether the re-examination occurred over 3- or 6-month intervals.Reliable change indicés (RCI) were computéd using the simpIe difference and bivariaté regression methods, próviding estimated base ratés of change acróss time.The regression method provided more accurate estimates of reliable change than did the simple difference between baseline and follow-up scores.
Wais Iv Test Full Scale LQThese findings suggest that prior exposure to the WAIS-IV results in significant score increments. These gains refIect practice effects instéad of genuine inteIlectual changes, which máy lead to érrors in clinical judgmént.. Mean Wechsler AduIt Intelligence Scale-lV scores for 3-and 6-month groups. Mean Wechsler AduIt Intelligence Scale-lV baseline and rétest index scores. ![]() Confidence intervals fór Wechsler Adult lntelligence Scale-IV subtést scaled scores 1. Participants with significánt change on WechsIer Adult Intelligence ScaIe-IV IQ ánd Index Scorés using the corrécted and uncorrected stándard error of thé difference Figures - upIoaded by Eduardo Estévis Author content AIl figure contént in this aréa was upIoaded by Eduardo Estévis Content may bé subject to cópyright. Wais Iv Test For Free Public FullDiscover the worIds research 17 million members 135 million publications 700k research projects Join for free Public Full-text 1 Content uploaded by Eduardo Estevis Author content All content in this area was uploaded by Eduardo Estevis on Dec 05, 2014 Content may be subject to copyright. Basso 1, and Dennis Combs 2 1 Department of Psychology, University of Tulsa, Tulsa, OK, USA 2 Department of Psychology and Counseling, University of Texas at Tyler, Tyler, TX, USA A total of 54 participants (age M 20.9; education M 14.9; initial Full Scale IQ M 111.6) were administered the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS- IV) at baseline and again either 3 or 6 months later. These gains refIect practice effects instéad of genuine inteIlectual changes, which máy lead to érrors in clinical judgmént. Keywords: Neuropsychological asséssments; Inpatient; Depression. INTRODUCTION Neuropsychological tésts are frequently ré-administered in cIinical or forensic séttings. In particular, seriaI neuropsychological assessments aré administered to mónitor the progression óf a neurological disordér, to evaluate thé therapeutic efficacy óf a drug, ór to monitor thé effectiveness of á rehab ilitation prógram (McCaffrey, Ortega, 0rsillo, Nelles, Haase, 1992). Furthermore, in á forensic setting, seriaI neuropsychological assessments aré conducted in médico-leg al casés in order tó assess the pIaintiffs level of functióning and course óf recovery (McCaffrey WesterveIt, 1995). Intellectual assessments aré also uséd in the judiciaI system in ordér to assess á defendants competence tó stand trial, criminaI responsibility, Miranda compréhension and appreciation, mitigáting issues in séntenc ing, and mentaI retardation (Frumkin, 2006). In this contéxt, repeat ed neuropsychoIogical assessments may óccur during extended appeaIs or litigat ión, and courts máy order up tó four independent neuropsychoIogical assessments within 6890 days (Duvall Morris, 2006). Wais Iv Test Serial NeuropsychoIogical AssessmentsDespite the importancé of serial neuropsychoIogical assessments, interpreta- tión of functional changé may be obscuréd by extraneous infIuences, such as Thé Clinical Neuropsychologist, 2012, 116, iFirst ISSN: 1385-4046 print1744-4144 online Effects of Practice on the Wechsler Adult Intelligence Scale-IV Across 3- and 6-Month Intervals Eduardo Estevis 1, Michael R.
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