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Autor/inn/en | Bozkurt, Gulay; Uygan, Candas |
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Titel | (Dis)Continuity and Feedback in Using a Duo of Artefacts for Robust Constructions: The Case of Pre-Service Mathematics Teachers Using Paper-and-Pencil and Dynamic Geometry |
Quelle | In: International Journal for Technology in Mathematics Education, 28 (2021) 1, S.15-35 (21 Seiten)Infoseite zur Zeitschrift
PDF als Volltext |
Sprache | englisch |
Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
ISSN | 1744-2710 |
Schlagwörter | Preservice Teachers; Teacher Education Programs; Geometry; Mathematics Instruction; Mathematics Teachers; Case Studies; Student Attitudes; Task Analysis; Feedback (Response); Correlation; Learning Processes; Concept Formation; Mathematical Concepts; Problem Solving; Mathematical Logic; Validity; Foreign Countries; Turkey Geometrie; Mathematics lessons; Mathematikunterricht; Mathematics; Teacher; Teachers; Mathematik; Lehrer; Lehrerin; Lehrende; Case study; Fallstudie; Case Study; Schülerverhalten; Aufgabenanalyse; Korrelation; Learning process; Lernprozess; Concept learning; Begriffsbildung; Problemlösen; Mathematical logics; Mathematische Logik; Gültigkeit; Ausland; Türkei |
Abstract | This paper focuses on pre-service mathematics teachers' geometrical construction processes while using a duo of artefacts, namely the paper-and-pencil environment (PPE) and a dynamic geometry system (DGS). The participants of this case study were two pre-service mathematics teachers, who had limited DGS experiences in solving geometry tasks. The data were collected through task-based interviews in which the participants were asked to complete angle bisector construction first with PPE and then in DGS, using together with the PPE to support the development of their construction strategies in DGS. Data analysis was carried out to examine (dis)continuities that the pre-service teachers faced while connecting the duos and the feedback received during such process. Findings indicated that the pre-service teachers had difficulties in comprehending ( 1) the concept of robustness of the construction and (2) the dependency relationships between the objects in DGS, which created discontinuities for them to differentiate between a static representation on paper and dynamic representation in DGS. In this, the use of duos and the feedback different artefacts generated -- i.e., direct manipulation feedback, evaluation feedback and tool operation feedback from the DGS, and strategy feedback scaffolded by the interviewer --, promoted their conception of angle bisector construction. (As Provided). |
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Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
Update | 2024/1/01 |