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Wren, David; Barbera, Jack – Chemistry Education Research and Practice, 2014
Assessing conceptual understanding of foundational topics before instruction on higher-order concepts can provide chemical educators with information to aid instructional design. This study provides an instrument that can be used to identify students' alternative conceptions regarding thermochemistry concepts. The Thermochemistry Concept Inventory…
Descriptors: Psychometrics, Thermodynamics, Chemistry, Item Response Theory
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Clauser, Brian E.; Harik, Polina; Margolis, Melissa J. – Journal of Educational Measurement, 2006
Although multivariate generalizability theory was developed more than 30 years ago, little published research utilizing this framework exists and most of what does exist examines tests built from tables of specifications. In this context, it is assumed that the universe scores from levels of the fixed multivariate facet will be correlated, but the…
Descriptors: Multivariate Analysis, Job Skills, Correlation, Test Items