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Peer reviewedNakhleh, Mary B.; Krajcik, Joseph S. – Journal of Research in Science Teaching, 1994
Involves secondary students in a study designed to allow investigation into how different levels of information presented by various technologies (chemical indicators, pH meters, and microcomputer-based laboratories-MBLs) affected students' understanding of acid, base, and pH concepts. Results showed that students using MBLs exhibited a greater…
Descriptors: Acids, Chemistry, Computer Uses in Education, Concept Formation
Peer reviewedChinnappan, Mohan; Lawson, Michael J.; Gardner, Dane – International Journal of Mathematical Education in Science and Technology, 1998
Reports on the design and trialing of a Hypercard testing procedure known as the Recognition and Testing System (RATS) that will enable mathematics teachers and researchers to generate data relating to domain knowledge representation and its access by focusing on students' knowledge of plane geometry and trigonometry. Contains 11 references.…
Descriptors: Computer Uses in Education, Educational Technology, Geometry, Knowledge Level
