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All Journal Union: Jurnal Ilmiah Pendidikan Matematika Jurnal Inovasi dan Teknologi Pembelajaran
Iden Rainal Ihsan
National Taiwan Normal University
Education Mathematics

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The effect of realistic mathematics education (RME) on the improvement of students’ spatial ability in solid geometry Indah Ameliya Fitriani; Warsito Warsito; Ratu Sarah Fauziah Iskandar; Iden Rainal Ihsan
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 14 No 1 (2026)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v14i1.22158

Abstract

This study aims to examine the effect of the Realistic Mathematics Education (RME) approach on students’ spatial ability in learning solid geometry and to identify the improvement in students’ spatial ability after its implementation. RME needs empirical evidence on how contextual tools and digital integration sustain long-term spatial ability. The research employed a mixed-methods approach with a Sequential Explanatory design, consisting of two stages: quantitative and qualitative. The population included all seventh-grade students totaling 98 students, while the sample comprised 65 students divided into an experimental class (33 students) and a control class (32 students). Data were collected using tests and interviews. The test instrument consisted of 10 essay questions that were valid and reliable. The independent samples t-test showed a significant difference (p = 0.022), and the N-Gain score (0.68) indicated a moderate improvement, with significance values of 0.058 for the experimental class and 0.200 for the control class, and were homogeneous with a significance value of 0.929. Qualitative findings from interviews indicated an improvement in students’ spatial ability in solid geometry. Overall, the results demonstrate that the RME approach has a positive effect and contributes to the improvement of students’ spatial ability. The findings confirm that the RME approach significantly enhances students’ spatial ability in solid geometry, demonstrating both statistically significant differences and meaningful learning gains compared to conventional instruction. This study contributes empirical evidence on the effectiveness of integrating contextual and representational learning within RME to systematically develop students’ spatial ability in geometry learning contexts.
Experiential psychological mechanisms in immersive learning: Presence, embodiment, and engagement as mediator in learning outcomes Dona Mustika; Dedi Kustandi; Ika Andrini Farida; Iden Rainal Ihsan
Jurnal Inovasi dan Teknologi Pembelajaran Vol. 13 No. 1 (2026)
Publisher : Universitas Negeri Malang in collaboration with APSTPI and IPTPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um031v13i12026p048

Abstract

Emerging immersive technologies such as Virtual Reality (VR) and Augmented Reality (AR) have driven a transformation in experience-based learning. However, the psychological mechanisms that bridge immersive experiences to learning outcomes have not yet been systematically defined. This study aims to examine and synthesise the roles of presence, embodiment, and engagement as psychological mediators in immersive learning from the perspective of experiential psychology. The method used in this study is a systematic conceptual review, with articles identified using Google Scholar as the data source. The results of the theoretical mapping indicate that direct sensory experience serves as a sensorimotor foundation for evoking a sense of presence. That sense of presence, in turn, supports cognitive and affective engagement. Together, these three components form a mutually reinforcing psychological construct with learning outcomes. Therefore, this study makes a significant conceptual contribution by presenting a more structured and evidence-based framework for designing and evaluating immersive technology-based learning environments.
Co-Authors Dedi Kustandi Dona Mustika Ika Andrini Farida Indah Ameliya Fitriani Ratu Sarah Fauziah Iskandar Warsito Warsito