This study culturally adapted the Family Almost Perfect Scale (FAPS) for Turkish adolescents and young adults (n=512; 247 high school, 265 university students from southwestern Turkey), evaluating its psychometric properties using Classical Test Theory (CTT), Item Response Theory (IRT/Graded Response Model), Confirmatory Factor Analysis (CFA), and measurement invariance testing across educational groups.
CFA supported the original three-factor correlated structure (Family Standards, Family Order, Family Discrepancy) with acceptable fit (scaled CFI=0.914, RMSEA=0.073, SRMR=0.064); internal consistency was strong (Cronbach's α=0.81–0.89); GRM item discrimination ranged from 1.02–3.90 across subscales; full measurement invariance (configural through strict) was confirmed across high school and university groups, with no significant differential item functioning after false discovery rate correction.
- Sample restricted to public institutions in southwestern Turkey, limiting generalizability to other regions or private school students. - Clinical utility untested; authors explicitly caution against use in treatment-seeking or diagnostic contexts without further validation. - Cross-sectional design precludes assessment of temporal stability (test-retest reliability not reported).
The Turkish FAPS is a psychometrically sound tool for research and non-diagnostic educational assessment of perceived perfectionistic family dynamics in adolescents and young adults. Clinicians should await validation in clinical samples before applying it in treatment settings.
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