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Vitale, Jonathan M.; Lai, Kevin; Linn, Marcia C. – Journal of Research in Science Teaching, 2015
We present a new system for automated scoring of graph construction items that address complex science concepts, feature qualitative prompts, and support a range of possible solutions. This system utilizes analysis of spatial features (e.g., slope of a line) to evaluate potential student ideas represented within graphs. Student ideas are then…
Descriptors: Scoring, Graphs, Scientific Concepts, Prompting
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Falk, John H.; Storksdieck, Martin – Journal of Research in Science Teaching, 2010
Most people visit a science center in order to satisfy specific leisure-related needs; needs which may or may not actually include science learning. Falk proposed that an individual's identity-related motivations provide a useful lens through which to understand adult free-choice science learning in leisure settings. Over a 3-year period the…
Descriptors: Science Education, Prior Learning, Data Collection, Data Analysis
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Yin, Yue; Vanides, Jim; Ruiz-Primo, Maria Araceli; Ayala, Carlos C.; Shavelson, Richard J. – Journal of Research in Science Teaching, 2005
We examine the equivalence of two construct-a-concept-map techniques: construct-a-map with created linking phrases (C), and construct-a-map with selected linking phrases (S). The former places few constraints on the respondent and has been considered the gold standard; the latter is cost and time efficient. Both their products and processes are…
Descriptors: Formative Evaluation, Concept Mapping, Comparative Analysis, Scores