extended · article · 2017

Validation of the Spanish Short Self-Regulation Questionnaire (SSSRQ) through Rasch Analysis

Angélica Garzón-Umerenkova; Jesús de la Fuente; José Manuel Martínez Vicente; Lucía Zapata Sevillano; Mari Carmen Pichardo; Ana belén García Berbén; John M. Linacre

Background. The aim of the study was to psychometrically characterize the Spanish Short Self-Regulation Questionnaire (SSSRQ) through Rasch analysis. Method. 831 Spaniard university students (262 men), between 17 and 39 years of age and ranging from the first to the fifth year of studies, completed the SSSRQ questionnaire. Confirmatory factor analysis was carried out in order to establish structural adequacy. Afterwards, by means of the Rasch model, a study of each sub scale was conducted to test for dimensionality, adjustment of the sample questions, functionality of the response categories, reliability and estimation of Differential Item Functioning (DIF) by gender and course. Results. The four sub-scales comply with the unidimensionality criteria, the questions are in line with the model, the response categories operate properly and the reliability of the sample is acceptable. Nonethe...