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Wechsler Abbreviated Scale of Intelligence (WASI)
Availability
Please visit this website for more information about the instrument: Wechsler AbbreviateScale of Intelligence website.
Classification
Supplemental – Highly Recommended: Congenital Muscular Dystrophy (CMD)
? Highly recommended for psychological and neuropsychological CMD studies for ages 6 years and up.
? Recommended for other types of CMD studies as a way to characterize the study population.
Supplemental: Epilepsy, Mitochondrial Disease (Mito), Multiple Sclerosis (MS), Myotonic Dystrophy (DM), Neuromuscular Disease (NMD)
Short Description of Instrument
The WASI is a quick, reliable measure of intelligence for use in clinical, educational, and research settings. The WASI is nationally standardized, yields the three traditional Verbal, Performance, Full Scale IQ scores, and is linked to the Wechsler Intelligence Scale for Children®—Fourth Edition (WISC–IV®), and the Wechsler Adult Intelligence Scale®—Third Edition (WAIS®–III). The WASI provides you with more information than you can typically receive from other brief intelligence tests.
The WASI consists of four subtests; two verbal (Vocabulary and Similarities) and two nonverbal (Block Design and Matrix Reasoning).
Administration: Paper-and-pencil, individual, face-to-face, requires examiner training.
Completion Time: Four-subtest form, 30 minutes; two-subtest form, 15 minutes.
Publication Date: 1999.
Ages / Grades: Individuals 6:0–89:11.
Norms: Standardization data were collected from a large nationally repre- sentative sample of children and adults from 6 to 89 years. Research data link the WASI with WISC–IV and WAIS–III in order to increase its clinical utility.
Advantages: Provides a quick but reliable and valid estimate of IQ when administration of a full battery is not feasible or necessary; particularly useful for research applications; easy to learn and administer
Scoring
Scores: VIQ, PIQ, and FSIQ scores.
Scoring Options: Hand scoring.
References
Wechsler related bibliography across study populations: Pearson Clinical Website
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