Academic journal article The Spanish Journal of Psychology

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

Academic journal article The Spanish Journal of Psychology

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

Article excerpt

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 (¿ > .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.

Keywords: social anxiety, social phobia, adolescents, validity, reliability, Spain.

El objetivo de este trabajo fue actualizar la validacion de la Escala para la deteccion de ansiedad social (EDAS) en una muestra de adolescentes espanoles. Para ello se llevo a cabo un estudio con una muestra de 1489 estudiantes de educacion secundaria, cuyas edades se encontraron entre los 14 y los 17 anos. Se analizaron las propiedades psicometricas de la EDAS mediante analisis factoriales confirmatorios, analisis de fiabilidad a traves del alfa de Cronbach, de estabilidad temporal test-retest y analisis de la validez de criterio concurrente. Los resultados ofrecieron apoyo a la estructura de tres factores independientes (Evitacion, Malestar e Interferencia), que mostro mejores indices de ajuste en comparacion con los modelos alternativos. Tambien mostraron que las puntuaciones de los participantes en las escalas de la EDAS fueron fiables en terminos de consistencia interna (¿ > .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 empirica de la estimacion de la fiabilidad y validez de esta escala. Futuros trabajos deberian ampliar la validacion de la EDAS en poblacion clinica.

Palabras clave: ansiedad social, fobia social, adolescentes, validez, fiabilidad, Espana.

Social anxiety disorder (SAD), or social phobia, is one of the most common disorders in children and adolescents across different cultures. The prevalence rates range from 1.6 to 7% (García-López, Piqueras, Díaz- Castela, & Inglés, 2008). The percentages for social fears and subclinical social anxiety in community samples of adolescents are even higher, between 8% and 12% (Inglés, Piqueras et al., 2010; Piqueras, Olivares, & López-Pina, 2008). Besides being a disorder with early onset, it remains stable throughout adolescence and can have a chronic course if it is not treated (Hale, Raaijmakers, Muris, van Hoof, & Meeus, 2008). Consequently, the repercussions of SAD on the adaptation process of children and adolescents can be very severe (Olivares, 2009). Among them, we can highlight a significant interference in social, school and work functioning and a marked reduction in different quality of life and health indicators (e.g., Fehm, Beesdo, Jacobi, & Fiedler, 2008; Olivares, Piqueras, & Rosa, 2006; Piqueras et al., 2008). Thus, emphasis is given to the importance of early screening and intervention in this disorder during childhood and adolescence in order to minimize its effects both at the time and in the future adjusted development of adolescents, since these effects tend to persist throughout life when not treated (Hale et al., 2008; Olivares, 2009).

Self-report questionnaires are a commonly used method in the evaluation of social anxiety both in adults and adolescents, partly because of the subjective and internalizing nature of this construct and its clinical manifestation, SAD (Kearny, 2005). …

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