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All Journal Didaktik : Jurnal Ilmiah PGSD STKIP Subang TEACHER : Jurnal Inovasi Karya Ilmiah Guru Medical Sains : Jurnal Ilmiah Kefarmasian Jurnal Pengabdian Kepada Masyarakat (JAPIMAS)
Nada Shofa
Faculty Of Teacher Training And Education, Universitas Halu Oleo, Indonesia
Education Environmental Science Materials Science & Nanotechnology Medicine & Pharmacology Other

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Tectona grandis Linn. : ANTIDIABETIC ACTIVITY OF THE FRACTIONS USING AN IN VIVO APPROACH Nurramadhani ASida; Rifa’atul Mahmudah; Nita Trinovitasari; Nada Shofa; Parawansah; Nuralifah; Abd Rafid; Risma
Medical Sains : Jurnal Ilmiah Kefarmasian Vol 9 No 1 (2024)
Publisher : Sekolah Tinggi Farmasi Muhammadiyah Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37874/ms.v9i1.1058

Abstract

The exploration of Tectona grandis Linn. from Indonesia, especially its use as an anti-diabetes agent is still quite limited. This study aims to determine the antidiabetic activity of the fractions from Tectona grandis Linn. leaves in male Rattus norvegicus. The animal blood glucose level was measured first as T0, then the animals were injected with streptozotocin (STZ) 40 mg/Kg BW to induce diabetes mellitus (DM), and then the blood was collected to determine the blood glucose level (T1). The animal was divided into six groups, namely normal group (NC) without treatment, positive control (K+) (DM+glibenclamide 5 mg), negative control (K-) (DM+NaCMC 0.5%), fractions group (DM+nHexane fraction (P1), DM+chloroform fraction (P2), and DM+ethyl acetate fraction (P3), each dose 300 mg/kg BW). The duration of treatment was 7 days, and at the end of treatment, the blood glucose levels were determined. The T0, T1, and T2 are analyzed using One-Way ANOVA and post-hoc LSD. The results obtained that the K+, P3, P2, and P1 groups were able to reduce the animals' blood glucose levels significantly (p<0.05), with the blood glucose levels are 97.01; 110.96; 129.38; and 111.46 mg/dL, respectively. The percentage of reduction in blood glucose level shows that the K+ group has the highest percentage at 66.8%, followed by the P3 group at 64.0%. The n-hexane, chloroform, and ethyl acetate fractions showed similar effectiveness to glibenclamide in reducing blood glucose levels statistically (p>0.05). Consequently, Tectona grandis Linn ...
Pelatihan Media Pembelajaran Barcode Scan Berbasis Quick Respon (QR) Code Bagi Calon Tenaga Pendidik Jurusan Pendidikan Kimia Maysara; La Rudi; Dahlan; Fatahu; Wa Ode Mulyana; Nada Shofa; Muh. Akbar Yaqub
Jurnal Pengabdian Kepada Masyarakat (JAPIMAS) Vol. 3 No. 1 (2024): Februari 2024
Publisher : Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/japimas.v3i1.44

Abstract

Penerapan media pembelajaran Barcode Scan berbasis QR Code merupakan salah satu indikator yang dapat merujuk pada keberhasilan kegiatan pembelajan berbasis media. QR Code adalah image dua dimensi yang mepresentasekan suatu data berbentuk teks. QR Code bebas untuk menghasilkan dan mengakses data dengan cepat dan dapat dibaca dengan  smartphone. Penerapan Media Pembelajaran Barcode Scan Berbasis Quick Respon (QR) Code Bagi Calon Tenaga Pendidik Jurusan Pendidikan Kimia bertujuan untuk meningkatkan kompetensi dan kecakapan calom tenaga pendidik untuk mendukung kegiatan belajar berbasis multimedia pembelajaran berbasis barcode scan berbasis Quick Respon (QR). Sasaran pengabdian adalah Mahasiswa tingkat akhir sebagai calon tenaga pendidik yang berasal dari Jurusan Pendidikan Kimia. Kegiatan pengabdian dilaksanakan dengan berbagai metode mulai dari survei/observasi, koordinasi bersama mitra, demonstrasi/unjuk kerja dan pendampingan secara langsung kepada peserta workshop pada proses pengoperasian barcode scan berbasis Quick Respon (QR) oleh anggota tim pelaksana pengabdian. Hasil evaluasi dapat disimpulkan bahwa peserta mengalami peningkatan dalam penguasaan media digital untuk menerapkan media pembelajaran menggunakan aplikasi berbasis QR Code pada materi pelajaran Kimia. Selain itu, dapat disimpulkan bahwa 85% peserta lolos persyaratan yang ditentukan memalui bukti penyetoran tugas kepada fasilitator sehingga mendapatkan sertifikat keikutsertaan dan dapat menjadi kader/pelatih bagi rekan calon tenaga pendidik lainnya. Hasil kegiatan pelaksanaan telah diterbitkan melalui media online.
PENGARUH MODEL PROJECT BASED LEARNING (PjBL) DENGAN PENDEKATAN STEM TERHADAP HASIL BELAJAR MAHASISWA Din Mahdiansyah; Aceng Haetami; Fahyuddin Fahyuddin; Saefuddin Saefuddin; Muhamad Alim Marhadi; Maysara Maysara; Nada Shofa
TEACHER : Jurnal Inovasi Karya Ilmiah Guru Vol. 6 No. 2 (2026)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia (P4I)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/teacher.v6i2.11363

Abstract

This research is motivated by the low learning outcomes of basic chemistry and the diversification of academic backgrounds of first-year students that hinder in-depth understanding of concepts. The problem focuses on testing the effect of the Project Based Learning (PjBL) model integrated with the Science, Technology, Engineering, and Mathematics (STEM) approach on student academic achievement. This quantitative study applies a quasi-experimental method using a pretest-posttest control group design in two study groups. The instrument used is an objective learning outcome test consisting of 20 validated multiple-choice questions. The results show that the average posttest score of the experimental class reached 77, while the control class only obtained a score of 61. This superiority is reinforced by the achievement of the N-gain index of the experimental group of 0.6 which exceeds the control class with an achievement of 0.4. Based on the inferential independent sample t-test using the SPSS program, a significance value of 0.000 was found to be less than 0.05, indicating a significant difference in achievement. The main conclusion of the study confirms that the application of the PjBL model with the STEM approach has proven to be much more effective in boosting student learning outcomes evenly compared to the conventional model. This interdisciplinary approach successfully facilitates students in constructing a meaningful understanding of stoichiometry through applied projects that connect mathematical calculations with real scientific phenomena in the laboratory. ABSTRAK Penelitian ini dilatarbelakangi oleh rendahnya hasil belajar kimia dasar serta diversifikasi latar belakang akademik mahasiswa angkatan awal yang menghambat pemahaman konsep secara mendalam. Masalah difokuskan pada pengujian pengaruh model Project Based Learning (PjBL) terintegrasi pendekatan Science, Technology, Engineering, and Mathematics (STEM) terhadap capaian akademis mahasiswa. Studi kuantitatif ini menerapkan metode eksperimen semu menggunakan desain pretest-posttest control group pada dua kelompok belajar. Instrumen yang digunakan berupa tes hasil belajar objektif sebanyak 20 butir soal pilihan ganda yang telah tervalidasi. Hasil penelitian menunjukkan nilai rata-rata posttest kelas eksperimen mencapai 77, sedangkan kelas kontrol hanya memperoleh skor 61. Keunggulan ini diperkuat oleh capaian indeks N-gain kelompok eksperimen sebesar 0,6 yang melampaui kelas kontrol dengan raihan 0,4. Berdasarkan uji inferensial independent sample t-test menggunakan bantuan program SPSS, ditemukan nilai signifikansi 0,000 kurang dari 0,05 yang menunjukkan adanya perbedaan capaian secara nyata. Simpulan utama penelitian menegaskan bahwa penerapan model PjBL dengan pendekatan STEM terbukti jauh lebih efektif dalam mendongkrak hasil belajar mahasiswa secara merata dibandingkan model konvensional. Pendekatan interdisipliner ini sukses memfasilitasi mahasiswa dalam mengonstruksi pemahaman stoikiometri secara bermakna lewat proyek aplikatif yang menghubungkan perhitungan matematis dengan fenomena sains riil di laboratorium.  
PENERAPAN MEDIA PEMBELAJARAN BERBASIS VIDEO ANIMASI PADA MATERI MAKROMOLEKUL UNTUK MENINGKATKAN HASIL BELAJAR SISWA DI KELAS XII SMA NEGERI 2 PASARWAJO Zhio Husnayan; Saefuddin; Nada Shofa
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 03 (2026): Volume 12 No. 3, September 2026 Publish
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i03.17082

Abstract

This study aimed to determine the effect of animation video-based learning media on students’ learning outcomes in macromolecule material and to identify students’ responses to the use of the media. The research was conducted at SMA Negeri 2 Pasarwajo in the 2025/2026 academic year using a quasi-experimental method with a Nonequivalent Control Group Design. The sample consisted of 29 students of class XII C as the experimental group and 28 students of class XII D as the control group selected through purposive sampling. The research instruments included learning outcome tests and student response questionnaires. Data were analyzed using descriptive statistics, the Shapiro-Wilk normality test, the Mann-Whitney test, and N-Gain analysis. The results showed that the average learning outcome score of the experimental class was 89.14, which was higher than that of the control class at 60.71. The N-Gain analysis revealed that the experimental class obtained an average score of 0.52, categorized as moderately effective, while the control class obtained an average score of 0.24, categorized as ineffective. The Mann-Whitney test yielded an Asymp. Sig. (2-tailed) value of 0.000 < 0.05, indicating a significant difference between the learning outcomes of the experimental and control groups. Furthermore, students’ responses to the use of animation video media were categorized as good to very good. Therefore, animation video-based learning media significantly improved students’ learning outcomes and can be used as an effective alternative learning medium for teaching macromolecule material.
ANALISIS MISKONSEPSI KIMIA SISWA SMA NEGERI 7 KENDARI DALAM MEMAHAMI MATERI TERMOKIMIA Sri Wulandari; Rustam Musta; Nada Shofa
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 03 (2026): Volume 12 No. 3, September 2026 Publish
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i03.17665

Abstract

This study aims to analyze the level of student misconceptions and identify the factors causing these misconceptions regarding the topic of thermochemistry students at SMA Negeri 7 Kendari. This descriptive study employed a quantitative approach, involving 32 students from class XI Merdeka 5, selected via purposive sampling. The research instruments consisted of a 25-item two-tier multiple-choice diagnostic test, a questionnaire on the causes of misconceptions, and interviews. Data were analyzed descriptively using percentages. The results indicate an average student learning outcome score of 57.38, with the majority of students failing to meet the Learning Objective Achievement Criteria. Diagnostic test results revealed the following average distribution: 14.00% understood the concepts, 40.20% held misconceptions, 15.27% guessed, and 10.47% did not understand the concepts. The highest rates of misconception were found regarding the indicators of enthalpy change properties and bond energy (45.00% each), while the lowest rate was associated with the system and surroundings indicator (23.75%). Questionnaire analysis showed that the causes of misconceptions stemmed from internal factors specifically cognitive aspects (55%), learning interest (60.31%), and learning motivation (61.25%) as well as external factors, including school-related elements (61%) and environmental factors (54.45%). In conclusion, the level of student misconception regarding thermochemistry falls into the moderate category and is influenced by both internal and external factors.
Co-Authors Abd Rafid Aceng Haetami Dahlan Dahlan Din Mahdiansyah Fahyuddin Fahyuddin Fatahu, Fatahu La Rudi Maysara Maysara Muh. Akbar Yaqub Muhamad Alim Marhadi Nita Trinovitasari Nuralifah Nuralifah, Nuralifah Nurramadhani A. Sida Parawansah, P Rifa’atul Mahmudah Risma Rustam Musta - Saefuddin Saefuddin Saefuddin Sri Wulandari Wa Ode Mulyana Zhio Husnayan