Wechsler Intelligence Scale for Children, Fourth Edition (WISC-IV)
The Wechsler Intelligence Scale for Children – Fourth Edition (WISC-IV) is an individually administered clinical instrument for assessing the cognitive skills of children age 6 years 0 months through 16 years 11 months. It is comprised of 15 subtests, each measuring various facets of intelligence.
The theoretical foundation of the WISC-IV is derived from Wechsler’s original Verbal-Nonverbal theory of intelligence (1939). The WISC-IV reflects an increased attention to the importance of working memory and processing speed in the importance of cognitive functioning. A complete administration of the WISC-IV yields standard scores in the following composite areas:
- Perceptual Reasoning Index
- Verbal Comprehension Index
- Working Memory Index
- Processing Speed Index
- Full Scale IQ