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Rizqona Maharani, Rizqona
Prodi Magister Pendidikan Matematika, Pascasarjana, FKIP – UNS
Arts Education Mathematics Social Sciences Other

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PENINGKATAN PEMAHAMAN BANGUN RUANG SISWA SMP MELALUI MEDIA PEMBELAJARAN COMIC-LKPD BERBASIS MODEL REALISTIC MATHEMATICS EDUCATION (RME) DENGAN PENDEKATAN ICEBERG Safitri, Nikmatus; Maharani, Rizqona
JURNAL PEMBELAJARAN DAN MATEMATIKA SIGMA (JPMS) Vol 11, No 2 (2025)
Publisher : Fakultas Keguruan dan Ilmu pendidikan (FKIP) Universitas Labuhan Batu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpms.v11i2.8088

Abstract

Pembelajaran matematika di sekolah menengah yang kurang kontekstual menyebabkan beberapa siswa mengalami kesulitan dalam memahami konsep, termasuk konsep bangun ruang. Penelitian ini bertujuan untuk mengembangkan media Comic-LKPD berbasis Realistic Mathematics Education (RME) dengan pendekatan Iceberg untuk meningkatkan pemahaman konsep bangun ruang siswa. Metode yang digunakan adalah penelitian dan pengembangan (R&D) dengan model ADDIE yang meliputi tahap Analysis, Design, Development, Implementation, dan Evaluation. Kualitas media diuji berdasarkan aspek kevalidan, kepraktisan, dan keefektifan. Penelitian ini melibatkan 35 siswa kelas IX MTs yang dipilih secara cluster random sampling. Uji kevalidan menggunakan indeks V-Aiken, kepraktisan dianalisis secara deskriptif kuantitatif, dan keefektifan diuji dengan paired sample t-test. Hasil penelitian menunjukkan bahwa media Comic-LKPD valid, sangat praktis, dan efektif meningkatkan pemahaman konsep, ditunjukkan oleh p-value < 0,05 dan N-Gain kategori sedang. Media ini mampu menciptakan pembelajaran yang kontekstual, menarik, dan menyenangkan. Dengan demikian, Comic-LKPD berbasis RME dengan pendekatan Iceberg valid, praktis, dan efektif digunakan dalam meningkatkan pemahaman konsep. Penelitian lanjutan disarankan untuk mengembangkan media serupa pada materi matematika lainnya atau dalam bentuk digital interaktif guna memperluas penerapannya.
The influence of self-confidence on high school students learning outcomes in solving SLETV question Nisa’, Isna Luthfi Atin; Maharani, Rizqona
Journal Focus Action of Research Mathematic (Factor M) Vol. 8 No. 2 (2025): Vol. 8 No. 2 (2025)
Publisher : Universitas Islam Negeri (UIN) Syekh Wasil Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30762/f_m.v8i2.5340

Abstract

Education is a key foundation for holistic student development, encompassing both academic achievement and character building. Among internal factors, self-confidence plays a crucial role in achieving optimal learning outcomes and overcoming challenges, including solving problems on the System of Linear Equations in Three Variables (SLETV). This study aims to analyze the influence of self-confidence on students’ learning outcomes in solving SLETV problems. A quantitative correlational design was employed, involving 30 grade X students at SMA Hidayatul Mustafidin selected through random sampling. Data were collected using a self-confidence questionnaire and an essay test on SLETV, and analyzed through simple linear regression. The results show that self-confidence has a substantial and significant effect on learning outcomes (R² = 0.898), indicating that self-confidence contributes substantially, although other factors also influence achievement. The regression equation obtained is Y = -4.070 + 1.068X. These findings highlight the importance of fostering students’ self-confidence in mathematics learning, particularly in SLETV, as a means to enhance problem-solving performance and overall academic success.
Co-Authors Abd Rauf, Rose Amnah Amalia, Eka Nurul Ariyadi Wijaya As-salamah, Siti Fatimah Budi Usodo Chong, Seng Tong Exacta, Annisa Prima Hargrove, Benjamin Michael Mardiyana Mardiyana Marsigit Marsigit Mulyaningrum Lestari, Mulyaningrum Muqoddaroh, Fadillatul Nisa', Silvia Durrotun Nisa’, Isna Luthfi Atin Safitri, Nikmatus Sari, Sellanidia Antika Tanti Listiani, Tanti