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Indonesian WAIS-IV Cultural Research.

Christiany Suwartono1,2, Justinus Budi Santoso2, Daryl Fujii3

  • 1Faculty of Psychology, Atma Jaya Catholic University of Indonesia, Jenderal Sudirman Street No. 51, Jakarta 12930, Indonesia.

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Summary

Regional intelligence differences in Indonesia were studied using the Wechsler Adult Intelligence Scale-IV Indonesia (WAIS-IV ID). The Java sample outperformed non-Java, and educational attainment influenced scores, particularly in Java.

Keywords:
AssessmentCross-culturalIntelligenceNorms/Normative studies

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Area of Science:

  • Psychometrics
  • Cross-cultural psychology
  • Cognitive assessment

Background:

  • Regional disparities in cognitive performance exist globally.
  • Understanding these differences is crucial for accurate psychological assessments.
  • The Wechsler Adult Intelligence Scale-IV Indonesia (WAIS-IV ID) is a key tool for measuring intelligence in Indonesia.

Purpose of the Study:

  • To investigate regional variations in WAIS-IV ID performance within Indonesia.
  • To compare Indonesian WAIS-IV ID scores with those from the United States.
  • To examine the relationship between educational attainment and WAIS-IV ID performance across Indonesian regions.

Main Methods:

  • The WAIS-IV was translated into Bahasa Indonesia and administered to a diverse Indonesian sample.
  • Analyses of covariance were used to compare Java and non-Java (NJ) samples, controlling for education.
  • One-sample t-tests compared Indonesian and US WAIS-IV ID performances.

Main Results:

  • The Java sample showed significantly higher WAIS-IV ID scores than the NJ sample.
  • Educational attainment correlated with WAIS-IV ID performance in the Java sample, but not the NJ sample.
  • Indonesians scored lower than US samples on most subtests, though the Java sample showed comparable performance on some measures, with younger, more educated individuals scoring higher.

Conclusions:

  • Regional differences in intelligence exist within Indonesia, influenced by factors like economics and education quality.
  • While overall Indonesian scores were lower than US scores, specific regional comparisons revealed nuances.
  • Educational attainment plays a significant role in cognitive performance, particularly in more developed regions like Java.