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The purpose of the study was to identify educators' expectations and requirements for the design of educational digital collections for classroom use. A series of five focus groups was conducted with practicing teachers, pre-service teachers, and science librarians, drawn from different educational contexts (i.e., K-5, 6--12, College). Participants' expect(More)
Science educators have called repeatedly for an information system that can effectively deliver quality educational materials in readily accessible formats, with a high degree of confidence in their usefulness, interest, and effectiveness [4]. In the past 18 months, the Earth system education community has begun development of the Digital Library for Earth(More)
Educational digital libraries can benefit from theoretical and methodological approaches that enable lessons learned from design and evaluation projects performed in one particular setting to be applied to other settings within the library network. Three promising advances in design theory are reviewed - reference tasks, design experiments, and design(More)
The Virtual Exploratorium is a collaborative development project funded by the National Science Foundation to develop a theoretical and operational framework to promote high-end visualization, modeling, and data in the support of education. This paper reports on the theoretical framework and three research studies that have been conducted to support the(More)
THREDDS (THematic Real-time Earth Distributed Data Servers) services catalog geophysical data and other data services to support discovery and use by researchers. THREDDS, however, doesn't support data discovery and use by learners and educators (i.e. novices). Educational digital libraries, like DLESE (Digital Library for Earth System Eduation) provide(More)