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The Performance subtests were: Picture Arrangement, Picture Completion, Block Design, Object Assembly, and Digit Symbol. A verbal IQ, performance IQ and full scale IQ were obtained. [10] This revised edition did not provide new validity data, but used the data from the original WAIS; however new norms were provided, carefully stratified. [10]
The categories of IQ vary between IQ test publishers as the category labels for IQ score ranges are specific to each brand of test. The test publishers do not have a uniform practice of labeling IQ score ranges, nor do they have a consistent practice of dividing up IQ score ranges into categories of the same size or with the same boundary ...
The WISC–V is linked with the Kaufman Test of Educational Achievement–Third Edition (KTEA–3; Kaufman & Kaufman, 2014) and the Wechsler Individual Achievement Test-III (WIAT–III; Pearson, 2009), a measure of academic achievement. This linkage provides information on both cognitive ability and academic achievement in children.
The Naglieri Nonverbal Ability Test - Individual Form was first published in 1998. Two versions were published in 2007 and 2008, respectively. This includes the group administered Naglieri Nonverbal Ability Test - Second Edition and the Naglieri Nonverbal Ability Test - Online version. The most current version is NNAT3. [1]
However, it is important to consider and recognise the limitations of using assessments. Some studies show that intelligence tests such as the WPPSI-III, especially for pre-K level, are unreliable and their results vary widely with various factors such as retesting, practice (familiarization), test administrator, time and place. [3]
Cross-battery assessment (XBA) is the process by which psychologists use information from a number of test batteries to help guide diagnostic decisions and to gain a fuller picture of an individual's cognitive abilities than can be ascertained through single-battery assessments.
The test is currently in its second edition, published in 2015. [2] Both editions are suitable for evaluation of intellectual giftedness, [3] and high scores are accepted as qualifying evidence for high IQ societies such as Intertel (min. IQ ≥ 135) and American Mensa (min. IQ ≥ 130). [4] [5]
The test enables the assessment of a broad range of academics skills or only a particular area of need. The WIAT-II is a revision of the original WIAT (The Psychological Corporation), and additional measures. There are four basic scales: Reading, Math, Writing and Oral Language. Within these scales there is a total of 9 sub-test scores. [1]