Portuguese version of the Partner Support for Father Involvement Scale: Preliminary Validation

Partner support in the performance of the parenting role is critical, as it increases father involvement in the care of the child. However, the measures to assess this type of support are scarce. This study presents the preliminary validation of the Portuguese version of the Partner Support for Father Involvement (PSFI) scale (confirmatory factor analysis, measurement invariance models, reliability, and concurrent and discriminant validity). The participants were 486 independent (unrelated) parents, 243 fathers (Mage = 42.13, SD = 5.57) and 243 mothers (Mage = 39.67, SD = 4.78), who completed the PSFI (translated version), the EMBU and the Co-parenting Questionnaire. Confirmatory factor analyses showed that the Portuguese PSFI had a three factor structure, in line with the original version of the scale (χ2 = 208.690, p