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For example, in their learning progression of explanation, one of the important variables is the scaffolding about disciplinary core idea, which is contained by four levels from seven levels in total (Gotwals and Songer 2013).
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Transferring from above purpose of this study, the review research question of this study is that what and how research about scientific explanation can help conceptualize scientific explanation in K-12 science education and develop a hypothetical learning progression of scientific explanation.
This study, through revealing the linkage between the theories of scientific explanation in philosophy of science and explanation instruction in science education, aims at refining existing framework by unpacking how a potential progression of scientific explanation might happen.
Based on philosophical theories of scientific explanation presented in previous section, this section discusses how we propose a hypothesis for the learning progression of scientific explanation.
Subsequently we elaborate and extend the learning progression of scientific explanation based on the PTDR framework.
Then we design a hypothetical learning progression of scientific explanation, based on the Phenomena-Theory-Data-Reasoning framework.
Songer et al. (2009) integrated content learning progression with the learning progression of scientific explanation (see also, Gotwals and Songer 2013).
However, a clarification on the theoretical foundation of the Claim-Evidence-Reasoning framework and a further extending of the learning progression of scientific explanation has been called for.
The hypothetical learning progression of scientific explanation based on the PTDR Framework can be used in assessment developing, instructional design and learning scaffolding.
Here we take a specific instance to initially illustrate how to use the learning progression of scientific explanation based on the PTDR framework to analyze a task.
In addition, an integrated instruction can be designed by fusing the learning progression of scientific explanation with other learning progressions like the concept of energy or matter (e.g., Yao et al. 2015; Hadenfeldt et al. 2014).
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CEO of Professional Science Editing for Scientists @ prosciediting.com