Abstract

FRANCO, Karina et al. Internal consistency, test-retest reliability and construct validity of the Frost Multidimensional Perfectionism Scale. Rev. Mex. de trastor. aliment [online]. 2014, vol.5, n.2, pp.91-97. ISSN 2007-1523.

The purpose of this research was to evaluate the internal consistency, the test-retest reliability and the construct validity of the Frost Multidimensional Perfectionism Scale (FMPS) in women. The total sample was made up of 325 university women, with an average age of 20.75 years (SD = 2.81). The scale was administered twice (n = 189) with an interval of one or two months between the first and second time of administration. Results showed that Cronbach's Alpha for the total score of instrument was .87 and for the factors ranged from .66 to .80. The one-month test-retest reliability was .80 and for the two-months was .67. People with symptomatology of eating disorders showed significantly higher scores than the control group in the total score of the FMPS and three of its factors, Concerns about Mistakes, Doubts about Actions and Parental Expectations. These findings provide favorable evidence for internal consistency, test-retest reliability and construct validity of the FMPS.

Keywords : Reliability; validity; FMPS; women; eating disorders symptoms.

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