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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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Schönborn, K. J.; Höst, G. E.; Lundin Palmerius, K. E. – Chemistry Education Research and Practice, 2015
As the application of nanotechnology in everyday life impacts society, it becomes critical for citizens to have a scientific basis upon which to judge their perceived hopes and fears of 'nano'. Although multiple instruments have been designed for assessing attitudinal and affective aspects of nano, surprisingly little work has focused on…
Descriptors: Molecular Structure, Technology, Test Construction, Test Validity