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Nyachwaya, James M.; Gillaspie, Merry – Chemistry Education Research and Practice, 2016
The goals of this study were (1) determine the prevalence of various features of representations in five general chemistry textbooks used in the United States, and (2) use cognitive load theory to draw implications of the various features of analyzed representations. We adapted the Graphical Analysis Protocol (GAP) (Slough et al., 2010) to look at…
Descriptors: Science Instruction, Chemistry, Textbook Content, Cognitive Processes
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Weinrich, M. L.; Talanquer, V. – Chemistry Education Research and Practice, 2015
The central goal of this qualitative research study was to uncover major implicit assumptions that students with different levels of training in the discipline apply when thinking and making decisions about chemical reactions used to make a desired product. In particular, we elicited different ways of conceptualizing why chemical reactions happen…
Descriptors: Qualitative Research, Science Instruction, Chemistry, Scientific Concepts
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Sevian, H.; Bernholt, S.; Szteinberg, G. A.; Auguste, S.; Pérez, L. C. – Chemistry Education Research and Practice, 2015
A perspective is presented on how the representation mapping framework by Hahn and Chater (1998) may be used to characterize reasoning during problem solving in chemistry. To provide examples for testing the framework, an exploratory study was conducted with students and professors from three different courses in the middle of the undergraduate…
Descriptors: Chemistry, Science Instruction, Problem Solving, Undergraduate Study