Table · dataset · 2026
Supplementary file 1_The impact of GeoGebra®-based dynamic visualization on the mastery of circle theorems among senior high school students.pdf
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<p>Students often experience difficulty mastering Circle Theorems because conventional instruction relies on static diagrams that provide limited opportunities to visualize geometric relationships.
Description
This study investigated the impact of GeoGebra®-based dynamic visualization on Senior High School (SHS) students' mastery of Circle Theorems using an explanatory mixed-methods quasi-experimental design. Fifty-eight students participated, comprising an experimental group (n = 22) taught with GeoGebra® and a control group (n = 36) receiving conventional instruction.
Achievement was assessed using the Circle Theorem Achievement Test, while semi-structured interviews explored students' perceptions of the intervention. Because achievement scores violated normality assumptions, non-parametric procedures were employed. The pre-test Mann–Whitney U-test indicated no significant difference between groups (U = 387.00, p = .882).
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The Sign Test showed significant improvement in the experimental group (p = .001), while the post-test Mann–Whitney U-test indicated significantly higher achievement among students taught with GeoGebra® (U = 106.50, p < .001, r = .61). Interview findings indicated that dynamic visualization enhanced conceptual understanding, mathematical reasoning, problem-solving, and engagement, despite initial technological challenges.
The findings suggest that GeoGebra®-based dynamic visualization can support the teaching and learning of Circle Theorems and should be integrated strategically into mathematics instruction alongside appropriate teacher preparation.</p>
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- DOI doi.org/10.3389/feduc.2026.1930147.s001 ↗
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Catalogue records · 1
- OAI-PMH record api.figshare.com/v2/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai%3Af… ↗
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- Astronomy & Astrophysics · Chemistry · Computer Science & AI · Earth & Environmental Science · Economics & Finance · Engineering · Humanities · Life Sciences · Mathematics & Statistics · Medicine & Health · Ocean & Atmospheric Science · Social Science
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- Geoinformatics 74%
Provenance · 1 source records, 18 field assertions
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