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Direct linkKatz, Adi – Journal of Information Systems Education, 2020
Conceptual modeling of databases is a complex cognitive activity, particularly for novice database designers. The current research empirically tests a new pedagogy for this activity. It examines an instructional approach that stresses visualizing gradual transitions between levels of abstraction in different hierarchic levels of a relational…
Descriptors: Databases, Database Design, Information Science Education, Teaching Methods
Peer reviewedGower, D. M.; Daniels, D. J. – Studies in Educational Evaluation, 1980
The facility index of a test item is the percentage of testees choosing the correct response. A common curriculum model presents process and content as two dimensions of the difficulty of an educational task. Wheeler suggested a third dimension: precision. This three-dimensional model is applied to chemistry education. (BW)
Descriptors: Chemistry, Curriculum Design, Difficulty Level, Foreign Countries
