Abstract

VILLACIEROS, Marta et al. Validation of a brief version of the Inventory of Life Factors Interfering Grief and Complicated Grief (ILFIGv2). Anal. Psicol. [online]. 2021, vol.37, n.1, pp.28-34.  Epub June 21, 2021. ISSN 1695-2294.  https://dx.doi.org/10.6018/analesps.37.1.414641.

There are some life circumstances that can interfere with a normal mourning process. In order to identify these factors, the Inventory of Life Factors Interfering Grief and Complicated Grief (ILFIG) was first published in 2017. The present study aims to validate a briefer version of the questionnaire, the ILFIGv2. In this second version, the six dimensions of the questionnaire (Guilt, Inheritance, Economy, Sexuality, Immortality and Sense of presence) were hidden, and the items were reduced to 24. With a total sample of 248 respondents, a six-factor structure was tested. Confirmatory factor analysis model obtained reasonable goodness of fit indices: χ 2 (237) = 383.409, p < .001; CFI = 0.984, TLI = 0.981; RMSEA = 0.050, 95% CI (0.041 - 0.059), providing validity evidences based on the internal structure of the test. Validity evidences based on the relation with other variables were also provided by external criteria correlation. Regarding reliability, all the subscales of the ILFIGv2 obtained Cronbach's alpha and omega coefficients above .70 and .80, respectively. A brief version of ILFIG has been validated. It heralds a potential means to prevent and avoid grief lengthening, as it can measure unexpressed aspects which, according to grievers, demand attention.

Keywords : Life factors; Complicated grief; Mourning; Measurement instrument; Questionnaire validation study.

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