Inovasi media BRSD Explorer berbasis delightex edu dalam meningkatkan kemampuan pemecahan masalah siswa SMP

Authors

  • Afifah Tisatia IKIP siliwangi
  • Gida Kadarisma IKIP Siliwangi
  • Chandra Novtiar IKIP Siliwangi

DOI:

https://doi.org/10.22460/jpmi.v9i5.33252

Keywords:

Delightex edu, Discovery learning, Interactive learning media, Mathematical problem-solving ability, Research and development

Abstract

This study aimed to develop Delightex Edu-based learning media integrated with the Discovery Learning approach for polyhedron topics and to determine its feasibility and effectiveness in improving students' mathematical problem-solving abilities. The study employed a Research and Development (R&D) method using the 4D model. The feasibility of the media was assessed by material and media experts, while its effectiveness was examined through a Pretest–Posttest Control Group Design involving eighth-grade students at SMP Negeri 49 Bandung. Data on students' problem-solving abilities were collected through essay tests and analyzed using N-Gain, normality tests, and the Mann–Whitney test. The results indicated that the developed media was categorized as highly feasible based on expert evaluations. The average N-Gain scores of the experimental and control groups were 0.60 and 0.42, respectively, both classified as moderate. Furthermore, the Mann–Whitney test yielded a significance value of 0.0135 (<0.05), indicating that Delightex Edu-based learning media integrated with Discovery Learning was effective in improving junior high school students' mathematical problem-solving abilities.

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Published

2026-10-01

Issue

Vol. 9 No. 5 (2026): JPMI

Section

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