• The GAI is an optional index score for the WISC-IV and the WAIS-IV. • The GAI is derived from the core Verbal Comprehension and Perceptual Reasoning subtests. • The GAI provides an estimate of general intellectual ability , with . reduced emphasis . on working memory and.
WAIS-IV Technical and Interpretive Manual. San Antonia, TX: Pearson. Step 1: Determine the best way to summarise overall intellectual ability Why? Overall intellectual ability (Full Scale IQ (FSIQ) or General Ability Index (GAI)) is the most reliable score.
Thistechnicalreportisthefourthinaseriesintendedto introducetheWechslerIntelligenceScaleforChildren–Fourth Edition (WISC–IVWechsler,2003).TechnicalReport#1 …
5/1/2020 · The FSIQ is determined by the sum of the scaled scores from the 10 subtests of the WISC (each subtest’s scaled score can range from 1-19, higher if extended norms are used the scaled scores are NOT the same as the composite scores that have a.
1. Verbal Comprehension Index (VCI) 2. Perceptual Reasoning Index (PRI) 3. Working Memory Index (WMI) 4. Processing Speed Index (PSI) Two broad scores are also generated, which can be used to summarize general intellectual abilities: Full Scale IQ (FSIQ), based on the total combined performance of the VCI, PRI, WMI, and PSI General Ability Index, How to calculate FSIQ and the GAI on the WAIS-IV – Quora, Calculate the General Ability Sum of Scaled Scores, Wechsler Adult Intelligence Scale-IV, Wechsler Adult Intelligence Scale – IV (WAIS-IV), 2/25/2011 · I do not have the WISC-IV and its manuals, but I use the WAIS-IV and its manuals. The General Ability Index is found by adding the sum of scaled scores of the basic scales used to find the Verbal Comprehension Index (VCI) and the Perceptual Reasoning Index (PRI) and then looking up the sum in a table usually found in the Supplemental Manual.
The FSIQ is calculated as the sum of all scaled scores for three items on the Verbal Index and Perceptual Reasoning Index each and two items from the Working Memory Index and Processing Speed Index, usually the most ‘g’ loaded. Calculated as 25+ (…
DESCRIPTION OF WAIS-IV INDEXES Verbal Comprehension Index This index reflects an individual’s ability to understand, use and think with spoken language. It also demonstrates the breadth and depth of knowledge acquired from one’s environment. It measures the retrieval from long-term memory of such information. Perceptual Reasoning Index, 3/19/2009 · WAIS®–IV &WIAT ®–II … General Ability 46 GAI 84 14 80-89 Low Average … Because working memory and processing speed are vital to a comprehensive evaluation of cognitive ability , it should be noted that the GAI does not have the breadth of construct coverage as the FSIQ.
