The Elusive Slope

Lingefjärd, Thomas, 1952 (author): Gothenburg University,Göteborgs universitet,Institutionen för didaktik och pedagogisk profession,Department of Pedagogical, Curricular and Professional Studies

Farahani, Djamshid, 1962 (author): Gothenburg University,Göteborgs universitet,Institutionen för didaktik och pedagogisk profession,Department of Pedagogical, Curricular and Professional Studies

(creator_code:org_t)

2017-03-31
2018
English.
In: International Journal of Science and Mathematics Education. - : Springer Science and Business Media LLC. - 1571-0068 .- 1573-1774. ; 16:6, s. 1187-1206

Related links:: https://gup.ub.gu.se...; show more...; https://doi.org/10.1...; show less...

Abstract Subject headings

In understanding upper secondary school students’ interpretations of information in graphical representations of a distance–time graph and an ECG graph, little attention has been paid to the analysis of the condition of the conceptual development related to their utterances. Understanding this better can help improve the teaching of interpretations of information in graphical representations of different situations. This paper integrates results from 2 studies and 3 theoretical perspectives: Tall and Vinner’s theoretical perspectives on learning, Chi’s ontological perspectives on conceptual development and Friel’s theoretical perspectives on interpretation of graphical information. The findings provide evidence to support the conjecture that iconic interpretations could be stimulated and generated as a result of student categorisation of a distance–time graph as an event, when in fact the graph is being used to describe and communicate a process. The outcome further indicates that students found a resemblance between the ECG diagram and the periodic function of f(x) = sin(x).

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Mathematics; and Other Mathematic ...

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