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Item Analysis of the Czech Version of the WJ IV COG Battery from a Group of Romani Children

Author

Listed:
  • Alena Kajanová

    (Faculty of Health and Social Studies, University of South Bohemia in České Budějovice, 37005 České Budějovice, Czech Republic)

  • Tomáš Urbánek

    (Institute of Psychology, The Czech Academy of Sciences, 61662 Brno, Czech Republic)

  • Tomáš Mrhálek

    (Department of Pedagogy and Psychology, Faculty of Education, University of South Bohemia in České Budějovice, 37005 České Budějovice, Czech Republic)

  • Stanislav Ondrášek

    (Faculty of Health and Social Studies, University of South Bohemia in České Budějovice, 37005 České Budějovice, Czech Republic)

  • Olga Shivairová

    (Faculty of Health and Social Studies, University of South Bohemia in České Budějovice, 37005 České Budějovice, Czech Republic)

  • Jan Hynek

    (Department of Pedagogy and Psychology, Faculty of Education, University of South Bohemia in České Budějovice, 37005 České Budějovice, Czech Republic)

Abstract

The objective of the article is to present an item analysis of selected subtests of the Czech version of the WJ IV COG battery from a group of Romani children, ages 7–11. The research sample consisted of 400 school-aged Romani children from the Czech Republic who were selected by quota sampling. A partial comparative sample for the analysis was the Czech population collected as norms of the Czech edition of © Propsyco ( n = 936). The Woodcock–Johnson IV COG was used as a research tool. Statistical analysis was performed in Winstep software using Differential Item Functioning; differences between groups were expressed in logits and tested via the Rasch–Welch T -test. It was discovered that higher item difficulty was noted in the verbal subtests, although variability in item difficulty was found across all subtests. The analysis of individual items makes it possible to discover which tasks are most culturally influenced.

Suggested Citation

  • Alena Kajanová & Tomáš Urbánek & Tomáš Mrhálek & Stanislav Ondrášek & Olga Shivairová & Jan Hynek, 2021. "Item Analysis of the Czech Version of the WJ IV COG Battery from a Group of Romani Children," IJERPH, MDPI, vol. 18(19), pages 1-9, October.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:19:p:10518-:d:651211
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    References listed on IDEAS

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    1. Michal Kozubik & Daniela Filakovska Bobakova & Rastislav Rosinsky & Martina Mojtova & Miroslav Tvrdon & Jitse P. van Dijk, 2020. "Social Structure in a Roma Settlement: Comparison over Time," IJERPH, MDPI, vol. 17(19), pages 1-13, October.
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