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Measuring Characteristics of Explanations with Element Maps

Department of Physics, Humboldt-Universität zu Berlin, Newtonstraße 15, 12489 Berlin, Germany
Author to whom correspondence should be addressed.
Educ. Sci. 2020, 10(2), 36;
Received: 21 January 2020 / Revised: 6 February 2020 / Accepted: 7 February 2020 / Published: 11 February 2020
(This article belongs to the Special Issue Networks Applied in Science Education Research)
What are the structural characteristics of written scientific explanations that make them good? This is often difficult to measure. One approach to describing and analyzing structures is to employ network theory. With this research, we aim to describe the elementary structure of written explanations, their qualities, and the differences between those made by experts and students. We do this by converting written explanations into networks called element maps and measure their characteristics: size, the ratio of diameter to size, and betweenness centrality. Our results indicate that experts give longer explanations with more intertwinement, organized around a few central key elements. Students’ explanations vary widely in size, are less intertwined, and often lack a focus around key elements. We have successfully identified and quantified the characteristics that can be a starting point for guiding students towards generating expert-like written explanations. View Full-Text
Keywords: element maps; expertise; explanations; networks; optics phenomena element maps; expertise; explanations; networks; optics phenomena
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MDPI and ACS Style

Wagner, S.; Kok, K.; Priemer, B. Measuring Characteristics of Explanations with Element Maps. Educ. Sci. 2020, 10, 36.

AMA Style

Wagner S, Kok K, Priemer B. Measuring Characteristics of Explanations with Element Maps. Education Sciences. 2020; 10(2):36.

Chicago/Turabian Style

Wagner, Steffen, Karel Kok, and Burkhard Priemer. 2020. "Measuring Characteristics of Explanations with Element Maps" Education Sciences 10, no. 2: 36.

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