While it has been established that cultural differences in test performance are common, few studies have compared groups from different countries that speak the same language. The aim of this study was to investigate the generalizability of selected linguistic and verbal memory subtests from the Swedish NEPSY-II to the Finland-Swedish minority group. The participants were 275 Swedish-speaking children from Finland aged 5-16-years. The performance was compared to the U.S. norms used in the test. The Finland-Swedish children scored around scaled score 12 and significantly higher than the normative mean on the subtests Comprehension of Instructions, Phonological Processing, Word Generation Semantic, List Memory, and Sentence Repetition, whereas no significant differences to the norms emerged for the subtests Word Generation Initial Letter, Narrative Memory, and Word List Interference. There was a significant age effect for two subtests, with scaled scores increasing with age. Lower parental education and male sex were associated with lower test scores on some subtests, whereas bilingualism was not. The findings were viewed in relation to previous comparison studies involving the NEPSY-II/NEPSY. The differences were suggested to relate to cultural, educational, and test-related differences between Finland, Sweden, and the U.S. The results add to the clinical utility of the NEPSY-II.
Keywords: Assessment reliability; NEPSY-II; children; cultural minority; verbal functioning.