Assessment of differential item functioning across English and Spanish versions of the Orofacial Esthetic Scale.
Swaha PattanaikMike T JohnSeungwon ChungPublished in: Journal of oral rehabilitation (2020)
Pooling of Orofacial Esthetic Scale (OES) data from English and Spanish-speaking dental patients for analysis and interpretation is supported by the absence of differential item functioning (DIF) across the two language groups.