Wechsler Intelligence Scale for Children (WISC)

The Wechsler Intelligence Scale for Children (WISC) is an IQ test for children of 6-17 years of age to determine general intelligence. It generates a full scale IQ (formerly known as an intelligence quotient or IQ score) that represents a child's general intellectual ability. The most common primary index scores are the Verbal Comprehension Index, the Visual Spatial Index, the Fluid Reasoning Index, the Working Memory Index, and the Processing Speed Index. These indices represent a child's abilities in discrete cognitive domains. Five ancillary composite scores can be derived from various combinations of primary or primary and secondary subtests. Different versions may contain different sub tests.

In YC_BS1, participants were tested by a series of subtests from the Wechsler Intelligence Scale for children–Third version (WISC-III). The following subtests were included: picture completion, information, coding, similarities, picture arrangement, arithmetic, block design, vocabulary, object assembly, comprehension, symbol search, and digit span. In YC_BS2, participants were tested by a series of subtests from the Wechsler Intelligence Scale for children–Third version (WISC-III). The following subtests were included: four verbal subtests (similarities, arithmetic, vocabulary, and digit span), and two nonverbal subtests (picture completion, and block design). For the calculation of the raw scores on full IQ scale and on the verbal, and performance scale a correction was used to account for the number of excluded subtests. Raw scores were standardized according the age of the child at the time of testing, based on a population sample of same-aged subjects in the Netherlands. In YE_ATTEF2, IQ was assessed with the Wechsler Intelligence Scale for Children Revised (WISC-R, Dutch version, Van Haasen, P. P., De Bruyn, E. E. J., Pijl, Y. J., Poortinga, Y. H., Lutje-Spelberg, H. C., Vander Steene, G., Coetsier, P., Spoelders-Claes, R., & Stinissen, J. (1986). Wechsler Intelligence Scale for Children-Revised, Dutch Version. Lisse: Swets and Zetlinger B.V). The following 6 subtests were employed: 1. Similarities; 2. Vocabulary; 3. Arithmetic; 4. Digit Span; 5. Block Design; and 6. Object Assembly. In YE_COG12, the full version of the WISC-R, Dutch version (Van Haasen et al., 1986). The WISC-R consists of 12 subtests, 6 mainly verbal and 6 mainly non-verbal. The subtest scores are standardized, based on results of same-aged children in the Netherlands. No differences are made for boys and girls. Addition of the twelve standardized subtest scores results in full-scale IQ (total IQ). In YE_COG18, participants younger than 16 years completed the Dutch version of the full Wechsler Intelligence Scale for Children-Third edition (WISC-III). Verbal and nonverbal IQ scores were measured as the standardized score on 5 verbal subtests, and 5 nonverbal subtests. The WISC-III scores were standardised for the appropriate age group, based on a population sample of same-aged subjects in the Netherlands. Standardisation norms were the same across the sexes.

Labels
Constructs
Available measurements
  • Young Netherlands Twin Register

  • YC_BS1
  • C S
    9.0 years   From 2005-01-01 to 2005-01-01

  • YC_BS2
  • C S
    12.0 years   From 2007-01-01 to 2009-01-01

  • YE_ATTEF2
  • C S
    12.0 years   From 2002-01-01 to 2004-01-01

  • YE_COG12
  • C
    12.0 years   From 1998-01-01 to 2000-01-01

  • YE_COG18
  • C S
    18.0 years   From 2004-01-01 to 2006-01-01

    Mode of collection MeasurementsAndTests   Behavioral/cognitive task
    References
    You can also access this dataset using the API (see API Docs).