Development and psychometric properties of the Difficulties in Executive Functions, Regulation and Delay Aversion Inventory - Version for children and adolescents

Abstract

The study reports the development and investigation of the psychometric properties of the Difficulties in Executive Functions, Regulation and Delay Aversion Inventory - Version for children and adolescents (IFERA-I). Items were developed to assess working memory, flexibility, inhibition, delay aversion and state regulation. All of these are constructs related to the complex cognitive heterogeneity of the Attention deficit and hyperactivity disorder. Evidence of content validity was gathered through verification by experts, and items with 100% agreement among evaluators were considered adequate. Parents (N=211) and teachers (N=189) of children (6 to 14 years of age) responded to the IFERA-I, Childhood Executive Functioning Inventory (CHEXI) and Swanson, Nolan and Pelham Questionnaire (SNAP-IV). Convergence patterns between the CHEXI and SNAP-IV were observed. Confirmatory Factor Analysis revealed an acceptable five-factor model for parental responses, with good levels of reliability. No model was corroborated for the teachers' responses. The results provide some evidence that the IFERA-I is a reliable and valid measure of different cognitive dimensions. They also suggest directions for future research and improvement of the measure.

Keywords

• psychometrics
• neuropsychological assessment
• ADHD
• cognition