Validation of the construct of self-determination through the ARC-INICO scale for teenagers

Validación del constructo de autodeterminación a través de la escala ARC-INICO para adolescentes

Jesús-Miguel Muñoz-Cantero, Luisa Losada-Puente

DOI: https://doi.org/10.22550/REP77-1-2019-04

Self-determination is a good predictor of quality of life, which is defined as a strategy that aims to increase and improve the educational practices focused on individuals’ needs at a global and life-long-term level. Hence, the evaluation of this construct has undergone notable advances in our country due to the acceptance of international theoretical models and the design of specific instruments for our context. The ARC-INICO scale (Verdugo et al., 2014) assesses four characteristics of self-determined behavior in teenagers: autonomy, self-regulation, empowerment and self-concept. This structure is based on the Wehmeyer’s Functional Model (1999, 2003). It has only been validated with Spanish students with intellectual and developmental disabilities. The purpose of this study is to assess the psychometrical properties of this scale in Galician population, checking its equivalence both for use with young people with neurological development disorders and without them. The sample was made up of 2 220 high school students. A Confirmatory Factor Analysis was conducted to test the scale structure using the original proposal based on a higher-order factor structure on a correlated four factor model, and a single-factor model which assumes the unidimensionality of self-determination. Regarding the reliability, high overall internal consistency and for its sections has been found. Although the unifactorial model offers an acceptable adjustment (Model 1: GFI = .958, AGFI = .941, RMSEA = .057), it is superior in the higher order model (Model 2: GFI = .970, AGFI = .954; RMSEA = .049). In addition, the factorial invariance measure shows the utility of model 2 to compare scores according to the presence or absence of neurological development disorders. In conclusion, the ARC-INICO scale provides an important basis for decisions making regarding the design of care programs, through the development of resources, guidelines and strategies, and provides information for the differential provision of said resources and supports.

 


This is the English version of an article originally printed in Spanish in issue 272 of the revista española de pedagogía. For this reason, the abbreviation EV has been added to the page numbers. Please, cite this article as follows: Muñoz-Cantero, J. M., & Losada-Puente, L. (2019). Validación del constructo de autodeterminación a través de la escala ARC-INICO para adolescentes | Validation of the construct of selfdetermination through the ARC-INICO scale for teenagers. Revista Española de Pedagogía, 77 (272), 143-162. doi: https://doi.org/10.22550/REP77-1-2019-04

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Jesús Miguel Muñoz Cantero is a PhD from the Universidad de Santiago de Compostela. Director of the Department of Specific Didactics and Research and Diagnosis Methods in Education, and Professor at the Universidade da Coruña. He also coordinates the Research Group on Educational Evaluation and Quality (Grupo de Investigación en Evaluación y Calidad Educativa). His lines of research are focused
on the evaluation of educational quality, accreditation and attention to diversity in university and non-university contexts.

 https://orcid.org/0000-0001-5502-1771

Luisa Losada Puente is an International PhD from the Universidad de Coruña. Interim Professor at the University of A Coruña and Member of the Research Group on Educational Evaluation and Quality (Grupo de Investigación en Evaluación y Calidad Educativa). His lines of research are focused on the evaluation of educational quality, attention to diversity and inclusive education.

 https://orcid.org/0000-0003-2300-9537