Describes four studies that explored how search experts and domain experts conducted searches in full-text, end-user search systems. Problem definition/expectation; query formulation; examination and extraction; reflection, stopping, and search monitoring; and system effects are examined for each study. (26 references) (EA)

Three commercial products for data acquisition with the Macintosh computer, known by the trade names of LabVIEW, Analog Connection WorkBench, and MacLab were reviewed and compared, on the basis of actual trials, for their suitability in physiological and biological teaching laboratories. Suggestions for using these software packages are provided.…

Discussion of involving teachers and students in the learning process focuses on an approach that combined microcomputers, video cassette recorders, and print materials to design a high school algebra class. Course design is explained, software and hardware are described, improvement in student motivation is reported, and costs are considered.…

Describes the background, development, and testing of a computer software program designed to teach principles of statistical sampling in social science courses. Compares results of a field test of the program, Introduction to Sampling Error Experiments (ISEE), with traditional instruction. (CFR)

Asserts that novice writers have little control over the composition process. Reports on 72 fourth graders who worked individually and in pairs with a computer-based composition program. Finds that students with better prior composition skills working individually benefited most from computer prompts. (CFR)

Asserts that improvement of curriculum and instruction in geography must include the integration of spatial technologies. Argues the future requires the development of exemplary curriculum materials, a greater network of users, distribution of hardware and software to teachers, and agreement about ethics in information processing. (CFR)

Presents a simple model that can help students think about evolution and better understand the gradualist and punctuationist macroevolution approaches. The model also improves instruction for concepts of mutation, selection, fitness, extinction, and origin of life. Describes an IBM computer program for instruction in these areas. (PR)

Describes an introductory meteorology course for nonacademic high school students. The course is made hands-on by the use of an educational software program offered by Accu-Weather. The program contains a meteorology database and instructional modules. (PR)

Describes a college level course in which computer mapping is incorporated into the geography curriculum. Discusses problems associated with using commercial mapping software in the general geography classroom. Concludes that students have reduced computer anxiety and a better understanding of geographic concepts as a result of the computer…

Production of the meta-data supporting the Informedia Digital Video Library interface is automated using techniques derived from artificial intelligence research. Speech recognition and natural-language processing, information retrieval, and image analysis are applied to produce an interface that helps users locate information and navigate more…

Three user interfaces to LIBIS, a library catalog accessible through the Internet, were evaluated for use by people who are motor impaired to identify how interface design influences the motor actions necessary to operate the system. Problems and recommendations related to simplicity, consistency, instinctiveness, interaction/feedback, and…

Describes the design of a hypermedia tool for helping preservice teachers learn about the growth and development of children's mathematical reasoning based on research in cognitive science, and discusses results of an experiment that used single-subject methodology to compare preservice teachers' learning with the hypermedia tool versus learning…

Provides a checklist of concerns for libraries planning to implement shared research databases in a consortium environment, based on experiences at OhioLINK. Highlights include database selection criteria, licensing, pricing, funding, vendor considerations, database profiling, custom data processing, hardware selection, database access,…

Examines what children learn from using educational technology in an informal, collaborative environment. Explores how mastering educational computer programs can promote problem-solving transfer. Studies at three after-school computer clubs reveal children who use educational software may learn content knowledge about computer literacy,…

Provides ideas for using computer technology in language arts classrooms, including learning the mechanics of writing; word choice; rewriting; small group formats; evaluation of writing; group-editing software; e-mail; writing for the Web; and hypertext. (LRW)