ভেক্সলারের অভীক্ষা কে কেন মিশ্র অভীক্ষা বলা হয়?why wechsler test is called mixed practice?
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Effects of Practice on the Wechsler Adult Intelligence Scale-IV Across 3- and 6-Month Intervals
Article (PDF Available) in The Clinical Neuropsychologist 26(2):239-54 · February 2012 with 9,110 Reads
DOI: 10.1080/13854046.2012.659219 · Source: PubMed
Cite this publication

Eduardo Estevis
5.5
DHR Health

Michael R Basso
35.95
University of Tulsa

Dennis Combs
Abstract
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. Scores on the Full Scale IQ, Verbal Comprehension, Working Memory, Perceptual Reasoning, Processing Speed, and General Ability Indices 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 indices (RCI) were computed using the simple difference and bivariate regression methods, providing estimated base rates of change across time. The regression method provided more accurate estimates of reliable change than did the simple difference between baseline and follow-up scores. These findings suggest that prior exposure to the WAIS-IV results in significant score increments. These gains reflect practice effects instead of genuine intellectual changes, which may lead to errors in clinical judgment.
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