Validation of the Spanish adaptation of the School Attitude Assessment Survey-Revised using multidimensional Rasch analysis

نویسندگان

  • Alejandro Veas
  • Juan-Luis Castejón
  • Raquel Gilar
  • Pablo Miñano
چکیده

Título: Validación de la adaptación española del School Attitude Assessment Survey-Revised mediante el modelo de Rasch multidimensional. Resumen: El School Attitude Assessment Survey-Revised (SAAS-R) fue desarrollado por McCoach y Siegle (2003b) y validado en España por Miñano, Castejón, y Gilar (2014) a través del Modelo Clásico de Test. El objetivo del presente estudio es validar el SAAS-R a partir del análisis de Rasch Multidimensional. Los datos se obtuvieron de 1398 estudiantes que asistían a diferentes institutos de Educación Secundaria. El Análisis de Componentes Principales apoyó el modelo Rasch multidimensional. Se calibraron los parámetros de dificultad de los ítems y habilidad de los sujetos a partir de la misma escala latente. Se eliminaron 10 ítems por mostrar desajuste al modelo de Rasch. El Funcionamiento Diferencial del Ítem no mostró diferencias significativas de género con los 25 ítems restantes. La estructura escalar de 7 categorías no mostró un funcionamiento óptimo, y la subescala Valoración de Logro obtuvo niveles bajos de fiabilidad. El modelo Rasch multidimensional apoyó la escala SAAS-R con 25 ítems y 5 factores latentes. De esta forma, se demuestran las ventajas del modelo de Rasch multidimensional en el presente estudio. Palabras clave: validación de test; modelo de Rasch multidimensional; índices de ajuste; funcionamiento diferencial del ítem. Abstract: The School Attitude Assessment Survey-Revised (SAAS-R) was developed by McCoach and Siegle (2003b) and validated in Spain by Miñano, Castejón, and Gilar (2014) using Classical Test Theory. The objective of the current research is to validate SAAS-R using multidimensional Rasch analysis. Data were collected from 1398 students attending different high schools. Principal Component Analysis supported the multidimensional SAAS-R. The item difficulty and person ability were calibrated along the same latent trait scale. 10 items were removed from the scale due to misfit with the Rasch model. Differential Item Functioning revealed no significant differences across gender for the remaining 25 items. The 7category rating scale structure did not function well, and the subscale goal valuation obtained low reliability values. The multidimensional Rasch model supported 25 item-scale SAAS-R measures from five latent factors. Therefore, the advantages of multidimensional Rasch analysis are demonstrated in this study.

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تاریخ انتشار 2016