Psychometric validation of the SNAP-IV rating scale in amblyopic children at high AD/HD risk: structural validity and measurement invariance
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Le résumé fourni par la source
Objective To validate the psychometric properties of the Swanson, Nolan, and Pelham Rating Scale (SNAP-IV) in amblyopic children at high AD/HD risk and establish its clinical utility for comorbid AD/HD screening. Methods This cross-sectional study utilized baseline data from the China Amblyopia Behavioral Cohort (CABC), which comprises 465 amblyopic children (aged 4–17 years). The reliability of the SNAP-IV was comprehensively assessed using Cronbach’s alpha and the split-half coefficient. The validity of the SNAP-IV was evaluated using criterion validity with the Conners’ parent rating scale (CPRS) and construct validity via confirmatory factor analysis (CFA). The measurement invariance of the SNAP-IV across gender and age groups was also investigated. Results The SNAP-IV demonstrated exceptional internal consistency (Cronbach’s α = 0.965 [95% CI: 0.958–0.972], split-half coefficient = 0.891) and strong criterion validity with the CPRS domains, particularly with respect to the oppositional factor of the SNAP-IV scale, which showed the highest correlation with the conduct problem factor of the Conners’ Parent Rating Scale (CPRS) (r s = 0.837, 95% CI: 0.807–0.863, p <0.001, large effect). The findings indicated a substantial correlation between inattention and learning problems (r s = 0.808, 95% CI: 0.767–0.834, p <0.001, large effect) and conduct problems (r s = 0.719, 95% CI: 0.675–0.765, p <0.001, large effect). Confirmatory factor analysis confirmed a three-factor structure (inattention, hyperactivity/impulsivity, oppositional) with robust fit indices ( χ² /(291) = 1033.4, χ²/df = 3.551, RMSEA=0.074, CFI=0.92, IFI=0.92), with full measurement invariance confirmed across gender and age groups. Conclusions This study constitutes the first systematic validation of the SNAP-IV in amblyopic children, thereby establishing its robustness for AD/HD screening in visually impaired populations. The scale’s standardized application has the potential to enhance the screening of early AD/HD-amblyopia comorbidity and the development of multidisciplinary intervention strategies for integrating visual and behavioral rehabilitation.
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Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- Psychometric validation of the SNAP-IV rating scale in amblyopic children at high AD/HD risk: structural validity and measurement invariance
- Date Crossref
- 28/10/2025
- Éditeur
- Frontiers Media SA
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
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Guilin Medical University pays non établi dans la noticeUniversité ou école supérieure
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The People's Hospital of Guangxi Zhuang Autonomous Region Visual Science and Optometry Center pays non établi dans la noticeÉtablissement de santé
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Guangxi Medical University pays non établi dans la noticeUniversité ou école supérieure
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Guangxi University pays non établi dans la noticeUniversité ou école supérieure
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Guangxi University of Chinese Medicine pays non établi dans la noticeUniversité ou école supérieure
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Guangdong Academy of Medical Sciences pays non établi dans la noticeÉtablissement de santé
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Riverside Hospital of Guangxi Zhuang Autonomous Region pays non établi dans la noticeÉtablissement de santé
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The School of Public Health pays non établi dans la noticeUniversité ou école supérieure
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School of Public Health and Management pays non établi dans la noticeUniversité ou école supérieure
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Southern Medical University Department of Ophthalmology pays non établi dans la noticeUniversité ou école supérieure
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Guangxi Health Commission Key Laboratory of Ophthalmology and Related Systemic Diseases Artificial Intelligence Screening Technology pays non établi dans la noticeStructure de recherche
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Guangxi Key Laboratory of Eye Health pays non établi dans la noticeStructure de recherche
Guilin Medical University, Visual Science and Optometry Center — The People's Hospital of Guangxi Zhuang Autonomous Region et Guangxi Medical University, avec 9 autres affiliations.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.