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Perez, Maria; Shambaugh, Larisa S.; Parrish, Tom – American Institutes for Research, 2008
California currently faces an opportunity to develop an effective data system that can assist in improving the state's future understanding of the educational progress of English learners (ELs). This policy brief outlines the needs for good data on ELs and makes recommendations for creating an effective longitudinal data system for ELs. It…
Descriptors: Second Language Learning, Longitudinal Studies, Trend Analysis, English (Second Language)
Peer reviewed Peer reviewed
Bills, Linda G.; Helgerson, Linda W. – Library Hi Tech, 1988
Reports information gathered from eight vendors on the preparation of bibliographic data for CD-ROM public access catalogs: (1) sources of bibliographic records; (2) duplicate record handling; (3) holdings and location information; (4) maintaining the database; (5) authority control; (7) record corrections; (7) extraction of subsets; (8)…
Descriptors: Bibliographic Databases, Bibliographic Records, Comparative Analysis, Database Design