Measurement invariance of language brokering extent and attitudes in linguistic minority adolescents: Item response theory analyses.

Using item response theory, we sought to evaluate measurement invariance of language brokering extent and attitudes in 3 linguistic minority groups of adolescents.The sample included 765 (302 Chinese American, 327 Korean American, and 136 Mexican American; 57% females) ninth graders from immigrant families.Differential item functioning was detected for several items, and we retained items with equivalent parameters across 3 groups. The final...