Enhancing Understanding of Data Presentation Concepts through the Realistic Mathematics Education Approach Assisted by Smart Data Board (PADAPI) Media

Dentian Nurhikmah 1 Indonesia , Maulana 1 Indonesia , Isrok'atun 1 Indonesia
1 Elementary School Teacher Education Program, Universitas Pendidikan Indonesia
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Published 2026-10-10
Vol. 6 No. 4 (2026) PAGES 1578 - 1597
DOI 10.51574/kognitif.v6i4.5395
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Understanding of data presentation concepts remains a challenge in mathematics learning at the elementary school level. This study aims to analyze the improvement of understanding of data presentation concepts and to compare the improvement of conceptual understanding among groups that received instruction using the Realistic Mathematics Education (RME) approach assisted by Smart Data Board (PADAPI) media, the RME approach, and conventional instruction. This study employed a quasi-experimental method with a nonequivalent pretest-posttest control group design. The research subjects consisted of 92 third-grade elementary school students divided into two experimental classes and one control class. Data were collected through pretests and posttests using a conceptual understanding test on data presentation consisting of 20 essay items that had been declared valid and reliable. Data were analyzed using descriptive statistics (mean and N-Gain) and inferential statistics through the Shapiro–Wilk, Levene, Wilcoxon, and Kruskal–Wallis tests. The results showed that the RME group obtained the highest improvement with an average N-Gain score of 0.48 (moderate category), followed by the RME group assisted by PADAPI with an average N-Gain score of 0.41 (moderate category), while the conventional group obtained an average N-Gain score of 0.19 (low category). The Kruskal–Wallis test results indicated significant differences in the improvement of conceptual understanding among the learning groups (p = 0.011). These findings indicate that the Realistic Mathematics Education (RME) approach, both with and without PADAPI media assistance, provides better improvement in conceptual understanding compared to conventional instruction. The results imply that the RME approach can be used as an alternative in mathematics instruction to enhance students' conceptual understanding, while PADAPI media can be utilized as a supporting tool to help students visualize, organize, and present data more concretely.

Nurhikmah, D., Maulana, M., & Isrok'atun, I. (2026). Enhancing Understanding of Data Presentation Concepts through the Realistic Mathematics Education Approach Assisted by Smart Data Board (PADAPI) Media. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, 6(4), 1578–1597. https://doi.org/10.51574/kognitif.v6i4.5395
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Keywords
Conceptual Understanding Data Presentation PADAPI Media. Realistic Mathematics Education