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Gender Differences in Cognitive Intelligence Testing: An Exploration of the Differential Item Functioning among Adolescents in Nigeria

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  • Taiwo Adebukola Kabir

    (Department of Counselling and Human Development Studies, University of Ibadan)

  • Adeoye Oluremi Adedamola

    (Department of Counselling and Human Development Studies, University of Ibadan)

Abstract

This study was set to investigate gender differences in cognitive intelligence testing: an exploration of the differential item functioning among adolescents in Nigeria. Adopting the descriptive design of the survey type, the study sample consisted of secondary school students drawn using the multistage sampling procedure from Nigeria’s six geopolitical zones. A five-section, 50-item cognitive intelligence test (α =.91), with sub-sections such as Attention to detail (0.90), Logic (0.86), Spatial management (0.83), Quantitative reasoning (0.84) and Associative memory (0.89) was used. DIF was determined through the DIF option of jMetrik version 4.2.1., with results revealing 9 items to be biased against testees on the basis of age, and 10, on the basis of gender. Following these results, it was recommended that test developers, reliant on the Item Response Theory (IRT) as the basis for test validation, should pay serious attention to the exploration of the DIF of items on the test, with a view to eliminating bias, and enriching the test for the purposes it was initially raised.

Suggested Citation

  • Taiwo Adebukola Kabir & Adeoye Oluremi Adedamola, 2023. "Gender Differences in Cognitive Intelligence Testing: An Exploration of the Differential Item Functioning among Adolescents in Nigeria," International Journal of Research and Innovation in Social Science, International Journal of Research and Innovation in Social Science (IJRISS), vol. 7(7), pages 1522-1531, July.
    • Handle: RePEc:bcp:journl:v:7:y:2023:i:7:p:1522-1531
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    References listed on IDEAS

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    1. Taiwo, Aebukola & Ojuolape, Mumud Olabode, 2023. "Comparison of African Indigenous and Western Intelligence Tests using Validation Processes of Bakare Progressive Matrix And Wechsler Adult Intelligence Tests," International Journal of Research and Innovation in Social Science, International Journal of Research and Innovation in Social Science (IJRISS), vol. 7(6), pages 739-750, June.
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