This report summarizes the Assessment of Language Proficiency of Bilingual Persons (ALPBP) project research component and provides a summary of the findings of the other six components of the study. The summary of the research component includes an outline of the goals, activities, and requests for proposals. After the introduction, the following findings are summarizedO (1) "Bilingual Children's Language Proficiency: An Ethnographic Study," by F. Rodriguez-Brown and L. Elias-Olivares; (2) "Linguistic Interdependence among Japanese and Vietnamese Immigrant Students," by J. Cummins, M. Swain, J. Handscombe, K. Nakajima, D. Green, and C. Tran; (3) "The Relationship between Native Language Reading Comprehension, Second Language Reading Comprehension, and Second Language Oral Ability," by B. Tregar and B. F. Wong; (4) "Methods of Analyzing Discourse in English and Spanish to Determine Language Proficiency," by H. Slaughter and A. Bennett; (5) "Study of Graphic Sense and Its Effects on the Acquisition of Literacy," by B. Hernandez-Chavez and J. Curtis; and (6) "Limited Language Proficiency of Mexican-American Third-Grade Students: A Problem in the Definition and Measurement of Bilingualism," by Z. A. Hayes. Four appendices are attached dealing with the proposal solicitations and giving a breakdown of proposals according to categories addressed in the request for proposals. (AMH)