Evaluating the Effect of Translation on Spanish Speakers' Ratings of Medicare
Bann, C. M.
Date of Pub
Iannacchione, M. S., Sekscenski, E. S.
This study examined the equivalence of the English and Spanish versions of the Medicare Consumer Assessment of HealthPlans
Study (CAHPS) fee-for-service (FFS)survey among 2,996 Hispanic Medicare ben-eficiaries. Multigroup confirmatory factoranalyses
indicated that with few exceptionsthe factor structures were very similar for theEnglish and Spanish surveys. However, itemresponse
theory-based methods for investigat-ing differential item functioning (DIF)revealed that several items demonstratedthreshold-related
DIF, suggesting thatrespondents in the two languages utilized theresponse options for the items differently.The results of
this study suggest the need forfuture qualitative research to understandhow respondents comprehend the responseoptions in
the two languages.