The findings are presented of a study undertaken by the Southwest Educational Development Laboratory (SEDL) to assess the bilingual education services offered to limited English speaking students in three diverse communities and to study the extent to which the development of cognitive and academic skills in the native language and English are…

Three psycho-educational principles are outlined (additive bilingual enrichment principle, interdependence principle, and sufficient communicative interactive principle) to illustrate research on the maintenance of Frisian among native speakers and the development of Frisian fluency among native Dutch speakers. (Author/CB)

A study undertaken by the Southwest Educational Development Laboratory (SEDL) to assess the bilingual language and literacy education services made available by the school district to a group of Chinese American elementary school children in Seattle is the focus of a discussion on bilingual program policy formation. The role of theory in the…

Research literature concerning the effects of incorporating the heritage languages of minority students into the regular school curriculum either as subjects or as mediums of instruction is reviewed. Program evaluations from Canada, the United States, and Europe consistently show that the use of a minority language as a medium of instruction for…

Discusses the relationship between research, theory, and policy in language policy formulation in the context of a "conflict" paradigm. In bilingual programs in the United States and Canada, the sociological context of the debate plays a major role in determining the choice of issues to investigate. (CB)