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Andraos, John; Sayed, Murtuzaali – Journal of Chemical Education, 2007
A general analysis of reaction mass efficiency and raw material cost is developed using an Excel spread sheet format which can be applied to any chemical transformation. These new methods can be easily incorporated into standard laboratory exercises.
Descriptors: Organic Chemistry, Science Instruction, College Science, Undergraduate Study

Helgeson, Stanley L.; Kumar, David D. – Journal of Computers in Mathematics and Science Teaching, 1993
Reviews emerging applications of microcomputers and hypermedia to assessment. Use consists mainly of computerized test administration of multiple-choice tests drawn from item banks. Significant advantages are possible in several areas including immediate feedback to students, formative evaluation with remediation possibilities, and monitoring…
Descriptors: Computer Assisted Instruction, Computer Uses in Education, Educational Research, Educational Technology