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Cooper, Melanie M.; Kouyoumdjian, Hovig; Underwood, Sonia M. – Journal of Chemical Education, 2016
Acid-base chemistry is central to a wide range of reactions. If students are able to understand how and why acid-base reactions occur, it should provide a basis for reasoning about a host of other reactions. Here, we report the development of a method to characterize student reasoning about acid-base reactions based on their description of…
Descriptors: Chemistry, Logical Thinking, Scientific Concepts, Science Instruction
Hanson, Bradley A.; Bay, Luz; Loomis, Susan Cooper – 1998
Research studies using booklet classification were implemented by the American College Testing Program to investigate the linkage between the National Assessment of Educational Progress (NAEP) Achievement Levels Descriptions and the cutpoints set to represent student performance with respect to the achievement levels. This paper describes the…
Descriptors: Academic Achievement, Classification, Cutting Scores, Discriminant Analysis