Resumen

SILVA, Jaime R.  y  URZUA-MORALES, Alfonso. Spanish version of the revised restraint scale. Univ. Psychol. [online]. 2009, vol.9, n.2, pp.521-530. ISSN 1657-9267.

The revised restraint scale (RS) it is a psychometric instrument for measuring chronic alimentary restraint. Aim: To obtain reliability measures and factorial structure of a Spanish RS version in an adolescent sample. Materials and Methods: 838 adolescents female students (15.48 y.) completed the instrument. An exploratory (i.e. principals components, oblique rotation) and confirmatory factorial analysis was performed over the RS scores. Results: Both RS sub-scales shown appropriate reliability, although item 9 achieved low corrected homogeneity (r<.3). After exploratory factorial analysis two correlated factors (Diet Concern and Weight Fluctuations) emerged, explaining 55.76% of the variance. Confirmatory analyses yielded moderate fit of the hypothetic bifactorial structure. Conclusions: The Spanish RS version shows a bifactorial structure and good reliability levels in adolescent sample.

Palabras clave : Revised restraint scale; Adolescent; Restrained eaters; Principal components analysis; Descriptive study by survey; Diet; Statistics & numerical data; Psychometrics; Teenagers; Factor analysis.

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