Language experience shapes infants' abilities to process speech sounds, with universal phonetic discrimination abilities narrowing in the second half of the first year. Brain measures reveal a corresponding change in neural discrimination as the infant brain becomes selectively sensitive to its native language(s). Whether and how bilingual…

Students who take advanced courses in high school are more likely to enroll and persist in college. This report describes patterns in advanced coursetaking among three groups of students in Washington state: Spanish-speaking students, other language minority students whose primary or home language is not Spanish, and English-only speakers. This…

We investigated the role of sociocultural (between-groups) and individual (within-group) factors on the development of preschoolers' resource-allocation preferences. We tested claims of the "joint impact hypothesis" of social values development that social-emotional understanding skills would predict the transition from simpler…

A 1-year, two-state research program attempted to find effective methods to increase the ability of Spanish speaking parents and siblings to cope with the needs of handicapped children and to determine if problems and strategies would differ in the two settings. One group of 33 families was served in a Texas border area; the other 12 families were…

The fourth-year update of a longitudinal study examined the progress of the 31 remaining members of 2 classes in the first cohort of a Spanish immersion program and their standard-program monolingual comparison group of 15 students. Achievement gains were measured on standardized tests of mathematics and language skills. Results provided new…

A language typology based on common errors made in pronunciation of English by speakers of other languages is presented and discussed. The classification system was developed from the concept of interlanguage, the intermediate step between a language learner's native and target languages, and the notion that interference in learning a new language…