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Peer reviewedEshach, Haim; Schwartz, Judah L. – Journal of Science Education and Technology, 2002
Investigates how students interpret and analyze multivariate data organized in tables and the nature of external visual displays that they tend to create and use for this purpose. Reports that: (1) students based their conclusions on only part of the data; (2) students did not use either efficient or sufficient visual representations; and (3)…
Descriptors: Algebra, Data Analysis, Middle Schools, Multivariate Analysis
Direct linkZhang, BaoHui; Liu, Xiufeng; Krajcik, Joseph S. – Science Education, 2006
Holding the premise that the development of expertise is a continuous process, this study concerns expert models and modeling processes associated with a modeling tool called Model-It. Five advanced Ph.D. students in environmental engineering and public health used Model-It to create and test models of water quality. Using "think aloud" technique…
Descriptors: Cognitive Processes, Water Quality, Public Health, Models
