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Martínez Hinestroza, José; Peña-Pincheira, Romina S.; Adams Corral, Melissa – ZDM: Mathematics Education, 2023
Previous research on bilingual mathematics education has proposed that as children "language mathematics" they use multiple sources of meaning. In this paper, we focus on lexical inventions--bilingual children's made up words that are not formally defined or used but follow the phonology and morphology of a language--as a source of…
Descriptors: Listening, Bilingual Students, Mathematics Education, Bilingual Education
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Sandilands, Debra; Oliveri, Maria Elena; Zumbo, Bruno D.; Ercikan, Kadriye – International Journal of Testing, 2013
International large-scale assessments of achievement often have a large degree of differential item functioning (DIF) between countries, which can threaten score equivalence and reduce the validity of inferences based on comparisons of group performances. It is important to understand potential sources of DIF to improve the validity of future…
Descriptors: Validity, Measures (Individuals), International Studies, Foreign Countries