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In addition to VIQ, PIQ, and FSIQ scores, four new index scores were introduced: the Verbal Comprehension Index (VCI), the Perceptual Organization Index (POI), the Freedom from Distractibility Index (FDI), and the Processing Speed Index (PSI). The WISC-IV was produced in 2003. The WISC-V was published in 2014. The WISC-V has a total of 21 subtests.
The block design test is considered one of the best measures of spatial ability, although it is subject to certain problems of administration, such as anxiety or over-cautious responding. Linda Kreger Silverman has proposed the block design subtest as the best putative measure of spatial ability among the Wechsler subtests. [ 8 ]
Digit Span Forward, Digit Span Backward, Spatial Addition, Symbol Span, and Letter-Number Sequencing may also be used to construct the Expanded Working Memory Index. The Perceptual Reasoning Index has been split into Visual Spatial Ability (Block Design, Visual Puzzles) and Fluid Reasoning (Matrix Reasoning, Figure Weights).
Wechsler Intelligence Scale for Children–Fifth Edition (WISC-V) IQ classification IQ Range ("deviation IQ") IQ Classification [40] 130 and above Extremely High 120–129 Very High 110–119 High Average 90–109 Average 80–89 Low Average 70–79 Very Low 69 and below Extremely Low
[9] This test measures five factors of cognitive ability, which are as follows: "fluid reasoning, knowledge, quantitative reasoning, visual-spatial processing and working memory." [10] Wechsler Adult Intelligence Scale: The Wechsler Adult Intelligence Scale (WAIS) is used to determine and assess the intelligence of the participant. This is one ...
The cognitive tests used to measure spatial visualization ability including mental rotation tasks like the Mental Rotations Test or mental cutting tasks like the Mental Cutting Test; and cognitive tests like the VZ-1 (Form Board), VZ-2 (Paper Folding), and VZ-3 (Surface Development) tests from the Kit of Factor-Reference cognitive tests produced by Educational Testing Service.
The Cattell–Horn–Carroll theory factors that this test examines are based on 9 broad stratum abilities, although the test is able to produce 20 scores [4] only seven of these broad abilities are more commonly measured: comprehension-knowledge (Gc), fluid reasoning (Gf), short-term memory (Gsm), processing speed (Gs), auditory processing (Ga), visual-spatial ability (Gv), and long-term ...
The five factors being tested are knowledge, quantitative reasoning, visual-spatial processing, working memory, and fluid reasoning. The development of the Stanford–Binet initiated the modern field of intelligence testing and was one of the first examples of an adaptive test .