AI Article Synopsis
- Object naming tests play a crucial role in neuropsychological assessments, but cultural and language differences can impact their validity for diverse groups, particularly between Spanish and English speakers.
- A study evaluated 26 object naming items among Latino participants (1,159, average age 70.5) for differential item functioning (DIF) using various statistical methods.
- Results showed that 14 items had DIF, with 5 items consistently favoring Spanish speakers, suggesting that language translation impacts test performance and could affect cognitive assessment outcomes.
Article Abstract
Object naming tests are commonly included in neuropsychological test batteries. (DIF) in these tests due to cultural and language differences may compromise the validity of cognitive measures in diverse populations. We evaluated 26 object naming items for DIF due to Spanish and English language translations among Latinos (=1,159), mean age of 70.5 years old (Standard Deviation ()±7.2), using the following four -based approaches: (Mplus/MIMIC; Muthén & Muthén, 1998-2011), (IRTLRDIF/MULTILOG; Thissen, 1991, 2001), difwithpar/Parscale (Crane, Gibbons, Jolley, & van Belle, 2006; Muraki & Bock, 2003), and Differential Functioning of Items and Tests/MULTILOG (DFIT/MULTILOG; Flowers, Oshima, & Raju, 1999; Thissen, 1991). Overall, there was moderate to near perfect agreement across methods. Fourteen items were found to exhibit DIF and 5 items observed consistently across all methods, which were more likely to be answered correctly by individuals tested in Spanish after controlling for overall ability.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3588164 | PMC |
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