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Digit span: attention, concentration, mental control (e.g., Repeat the numbers 1-2-3 in reverse sequence).The Working Memory Index is obtained from three tests Figure Weights : quantitative and analogical reasoning.Picture Completion : Ability to quickly perceive visual details.Matrix Reasoning: Nonverbal abstract problem solving, inductive reasoning, spatial reasoning.Block Design: Spatial perception, visual abstract processing & problem solving.The Perceptual Reasoning Index comprises five tests Comprehension : Ability to deal with abstract social conventions, rules and expressions (e.g., "What does Kill 2 birds with 1 stone metaphorically mean?").
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WAIS IV MANUAL MODERNO FULL
Full Scale IQ (FSIQ), based on the total combined performance of the VCI, PRI, WMI, and PSI.Two broad scores are also generated, which can be used to summarize general intellectual abilities: There are four index scores representing major components of intelligence: The GAI is clinically useful because it can be used as a measure of cognitive abilities that are less vulnerable to impairment. The General Ability Index (GAI) was included, which consists of the Similarities, Vocabulary and Information subtests from the Verbal Comprehension Index and the Block Design, Matrix Reasoning and Visual Puzzles subtests from the Perceptual Reasoning Index.
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With the new WAIS-IV, the verbal/performance subscales from previous versions were removed and replaced by the index scores. The WAIS-IV, is composed of 10 core subtests and five supplemental subtests, with the 10 core subtests comprising the Full Scale IQ.