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Title: Students’ Resources for the Construction of Scales for Graphing
Authors: Delgado, Cesar
Lucero, Margaret
Issue Date: Jun-2014
Publisher: Boulder, CO: International Society of the Learning Sciences
Citation: Delgado, C. & Lucero, M. (2014). Students’ Resources for the Construction of Scales for Graphing. In Joseph L. Polman, Eleni A. Kyza, D. Kevin O'Neill, Iris Tabak, William R. Penuel, A. Susan Jurow, Kevin O'Connor, Tiffany Lee, and Laura D'Amico (Eds.). Learning and Becoming in Practice: The International Conference of the Learning Sciences (ICLS) 2014. Volume 1. Colorado, CO: International Society of the Learning Sciences, pp. 262-269.
Abstract: Graphing is fundamental in the scientific process. Scales are key but little-studied components of graphs. Using a "fine-grained constructivist" perspective, we investigated the resources undergraduate students activate in constructing a scale for difficult data sets ranging over 10 or more orders of magnitude. Following a constant comparison method, we identified resources including: show all elements, zoom in, ratio, halving, and conversion. Students also used their knowledge of bar graphs, histograms, and logarithmic, powers of ten, and linear scales as resources, at times inappropriately. Implications for instruction are outlined.
Appears in Collections:ICLS2014

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