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2017 WCGTC Biennial World Conference

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4.5.3 Using the Comprehensive Test of Nonverbal Intelligence-Second Edition (CTONI-2) in identifying gifted students in Oman

The purpose of this study was to use the Comprehensive Test of Nonverbal Intelligence (CTONI-2) in identifying giftedness. Participants of the study constituted a national representative sample of about 1000 students selected randomly from elementary, middle, and secondary schools in Oman. The exploratory factor analysis results showed that all subtests loaded on a single factor. Also, the results showed an evidence of reliability as Cronbach's alpha values ranged from .82 to .94 for the six subscales. The MANOVA results indicated that males outperformed females in the geometric scale while females showed more developmental progress in the pictorial scale.


Mohamed Ahmed
Sultan Qaboos University, Oman

Dr. Ahmed Mohamed's research interests include identification of gifted students, development of enrichment programs, assessment of creativity, and early childhood. He has published several research articles in international peer-reviewed journals in different fields such as creativity, giftedness, special education, and early childhood. He is the principal investigator of a large-scale national research project funded by the Research Council in Oman (TRC) for three years (2014-2017). The purpose of this project is to develop and adapt different identification tools for gifted students and to develop enrichment curriculum units that focus on problem-solving.


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