Psychometric properties of the Conners-3 and Conners Early Childhood Indexes in a Spanish school population |
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Authors: | Paula Morales-Hidalgo Carmen Hernández-Martínez Magally Vera Núria Voltas Josefa Canals |
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Affiliation: | 1. Research Center for Behavioral Assessment (CRAMC), Nutrition and Mental Health Research Group (NUTRISAM), Universitat Rovira i Virgili, Spain;2. Faculty of Humanities and Education, Universidad de los Andes, Venezuela |
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Abstract: | Ba#ckground/Obje#ctive: To examine the psychometric properties of the Conners 3 ADHD Index (Conners 3 AI) and the Conners Early Children Global Index (Conners ECGI) parents’ form (PF) and teachers’ form (TF) in Spanish schoolers. Method: Two-phase cross-sectional study. In the first phase, information was gathered from teachers (n = 1,796) and parents (n = 882) of 4-5 and 10-11 year-old children. In the second phase (n = 196), children at risk of ADHD and controls were individually assessed. Results: The results confirmed the two-factor structure of the Conners 3 ADHD Index, which contains hyperactive-impulsive and inattentive symptoms, and the two-factor structure of the Conners ECGI PF, consisting of emotional lability and restless-impulsive symptoms. In contrast with the original version, the Conners ECGI TF presented an additional inattentive factor. Moderate-to-high rates of evidence of convergent validity with Child Behavior Checklist and Kiddie-Schedule for Affective Disorders & Schizophrenia, and evidence of external validity (academic achievement) were found. Scores were significantly higher in boys than in girls, for both indexes. Raw scores corresponding to clinical T-scores were higher than the original version. Conclusions: The Conners indexes may be considered reliable and valid instruments for detecting ADHD symptoms in Spanish populations. |
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