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Psychometric Update of the Social Anxiety Screening Scale (SASS/EDAS) in a Spanish Adolescent Population

Published online by Cambridge University Press:  10 January 2013

José Antonio Piqueras ,
José Olivares ,
María Dolores Hidalgo ,
Pablo Vera-Villarroel  and
Juan Carlos Marzo
José Antonio Piqueras
Affiliation:
Universidad Miguel Hernández de Elche (Spain)
José Olivares*
Affiliation:
Universidad de Murcia (Spain)
María Dolores Hidalgo
Affiliation:
Universidad de Murcia (Spain)
Pablo Vera-Villarroel
Affiliation:
Universidad de Santiago de Chile (Chile)
Juan Carlos Marzo
Affiliation:
Universidad Miguel Hernández de Elche (Spain)
*
Corresponding concerning this article should be addressed to José Olivares Rodríguez. Departmento de Personalidad, Evaluación y Tratamientos Psicológicos. Facultad de Psicología, Universidad de Murcia. Campus de Espinardo, P. O. Box 4021, 30080 Murcia (Spain). E-mail: jorelx@um.es
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Abstract

The aim of this work was to update the validation of the Social Anxiety Screening Scale (SASS/EDAS) in a sample of Spanish adolescents. To achieve this, one study with a sample of 1489 students in secondary education, of ages 14 to 17 years, were carried out. The psychometric properties of EDAS were examined through confirmatory factor analysis, reliability (Cronbach's alpha), temporal stability (test-retest), and concurrent criterion validity. The results supported the three-independent-factor structure (avoidance, distress and interference), that showed best fit indices compared to alternative models. They also showed that the scores of participants on EDAS scales were reliable in terms of internal consistency (α > .80) and moderately reliable concerning temporal stability (r = .48-.60) over a five-week period. The correlations between the EDAS factors and other social anxiety measures were positive and significant. Data provide empirical evidence of the estimation of reliability and validity of this scale. Future work should extend the validation of the EDAS in clinical samples.

El objetivo de este trabajo fue actualizar la validación de la Escala para la detección de ansiedad social (EDAS) en una muestra de adolescentes españoles. Para ello se llevó a cabo un estudio con una muestra de 1489 estudiantes de educación secundaria, cuyas edades se encontraron entre los 14 y los 17 años. Se analizaron las propiedades psicométricas de la EDAS mediante análisis factoriales confirmatorios, análisis de fiabilidad a través del alfa de Cronbach, de estabilidad temporal test-retest y análisis de la validez de criterio concurrente. Los resultados ofrecieron apoyo a la estructura de tres factores independientes (Evitación, Malestar e Interferencia), que mostró mejores índices de ajuste en comparación con los modelos alternativos. También mostraron que las puntuaciones de los participantes en las escalas de la EDAS fueron fiables en términos de consistencia interna (α > .80) y relativamente estables temporalmente (r = .48-.60) en un periodo de cinco semanas. Los factores de la escala correlacionaron positiva y significativamente con otras medidas de ansiedad social. Los datos aportan evidencia empírica de la estimación de la fiabilidad y validez de esta escala. Futuros trabajos deberían ampliar la validación de la EDAS en población clínica.

Keywords

social anxietysocial phobiaadolescentsvalidityreliabilitySpainansiedad socialfobia socialadolescentesvalidezfiabilidadEspaña
Type
Research Article
Information
The Spanish Journal of Psychology , Volume 14 , Issue 2 , November 2011 , pp. 977 - 989
Copyright
Copyright © Cambridge University Press 2011

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