This thesis presents the results of a field study of code-switching in K-3 level classrooms of an experimental Spanish-English bilingual education project in Los Angeles. The goal of the project, based on a pluralistic model of bilingual education, was the maintenance of Spanish by means of continued language-development in both the students'…

The purposes of this study were: (1) to describe the developmental trends in the control of spoken English grammatical constructions produced by Spanish-speaking Mexican-American schoolchildren learning English in the elementary grades, and (2) on the basis of this description to assess the comparative development of English structures in pupils…

The purpose of this study was to develop and test the effectiveness of a program in which activity-based science was used as a conceptual basis for language instruction. A series of four instructional units were adapted for bilingual use. Students' written and oral observations were used in experience charts and other language development…