Standardization of the wechsler intelligence scale for adults-fourth edition in Chile

Ricardo Rosas*, Marcela Tenorio, Marcelo Pizarro, Patricio Cumsille, Angelica Bosch, Susana Arancibia, Marcos Carmona-Halty, Claudia P. Perez-Salas, Eduardo Pino, Beatriz Vizcarra, Pamela Zapata-Sepulveda

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

The Wechsler Intelligence Scale for Adults, fourth edition (WAIS-IV) is the gold standard for assessing cognitive abilities in adults from 16:00 to 90:11 years of age. Given the need to adjust this instrument to specific cultural characteristics, its standardization for Chilean population was undertaken. A purposive sample of 887 subjects was used, stratified by age, educational level and gender, and grouped into 7 clusters by geographical region. Upon the basis of the parameters set out in the Standards for Psychological and Educational Assessment (American Educational Research Association et al., 1999), analyses of internal consistency and validity were performed. The internal consistency of the test is 0.941, analyzed with Cronbach's alpha. Each subtest shows good levels of internal consistency. There is evidence of content, construct, and convergent validity. Bias was found in the verbal tests in favor of people with better socio-economic status. The main limitation of the study is the absence of evidence in clinical groups.

Translated title of the contributionStandardization of the wechsler intelligence scale for adults-fourth edition in Chile
Original languageSpanish
JournalPsykhe
Volume23
Issue number1
DOIs
StatePublished - 2014
Externally publishedYes

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