Sözel Olmayan Kapsamlı Zeka Testinin İkinci Versiyonunun Türk ve Arap Kültürüne Uyarlanması
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The aim of this research is to perform validity and reliability studies for the adaptation of the second version of Comprehensive Test of Nonverbal Intelligence - CTONI-2 developed by Pearson, Donald, and Wierdeholt (2009) to 8-10 years old Turkish and Arabic students. Turkish and Arabic students living in Ankara and Istanbul provinces consisted of the participants of CTONI-2 test. Within the scope of validity study, CTONI-2 and Raven Standard Progressive Matrices test were administered to a group of students to collect evidence of criterion validity. Pearson correlation coefficients were found between 0.48-0.58. Evidence of construct validity was collected using confirmatory factor analysis. Accordingly, standardized factor loadings for one-factor confirmatory factor analysis model varied between 0.55-0.64 in Turkish and 0.54-0.76 in Arabic groups. As a result of CFA, it is seen that the one-factor structure of the test is acceptable for Turkish and Arabic groups. Within the scope of reliability study, Kuder-Richardson 20 (KR-20) and test-retest reliability coefficients were calculated for the total test and subtest scores obtained from the test. KR-20 coefficients ranged between 0.79-0.94 in Turkish and 0.76-0.95 in Arabic groups. Stability coefficients for the test-retest method varied between 0.81-0.96 in Turkish and 0.74-0.96 in Arabic groups. In this study, Mantel-Haenszel and logistic regression DIF (differential item function) analyzes were carried out for the items in CTONI-2 for the Turkish and Arabic groups by country and gender. It was found that the items did not show DIF by country but some items showed DIF by gender.
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