In this study, we examined the presence of differential item functioning (DIF) among groups of students who were tested in their native language or in a different language when participating in the 1999 Trends in International Mathematics and Science Study. Data from 18,837 examinees from three countries (Singapore, United States, and Iran) were…

This study examines the relationship between proficient bilingualism or biliteracy (proficiency in reading and writing in both Spanish and English) and the self-esteem of Mexican American students. The concept of proficient bilingualism has not been widely used to examine bilingual education's noncognitive functions, in particular its effect on…

This study examines the conditions under which Spanish proficiency is associated with self-esteem among Mexican American adolescents. The study questions the validity of a gross relationship between Spanish proficiency and self-esteem and postulates that the link is stronger: (1) for youth whose significant others prefer speaking Spanish; (2) for…