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All Journal Jurnal Pendidikan dan Ilmu Sosial International Journal of Innovation and Education Research
Pratiwi Disha Stanggo
Universitas Bengkulu
Humanities Education Languange, Linguistic, Communication & Media Social Sciences Other

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The Effect of STEM-Based Student Worksheets Assisted by GeoGebra on Conceptual Understanding Ability of Grade X High School Students Fadya Alfani; Elwan Stiadi; Pratiwi Disha Stanggo
International Journal of Innovation and Education Research Vol. 4 No. 2 (2025): November 2025
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/ijier.v4i2.48806

Abstract

The use of teaching materials that were not optimal was one of the causes of students' low ability to understand concepts. The teaching materials used were not fully able to facilitate students' ability to understand concepts, and have not integrated learning approaches or models. Based on these problems, this study aims to determine the effectiveness of STEM-based LKPD assisted by GeoGebra on students' ability to understand mathematical concepts in grade X of senior high school. The research method used in this study was a quantitative approach with a quasi-experimental research design. This study used a quantitative approach with a one-group pretest-posttest experimental design, because it only involves one group without a control group. The data collection technique used was a test of concept comprehension ability in the form of pr-test and post-test. The results showed that the use of GeoGebra-assisted STEM-based LKPD met the effectiveness criteria based on the Paired Sample t-Test and the N-Gain value. The Paired Sample t-Test shows a value of Sig. (2-tailed) of 0.000 < 0.05 so that H₀ was rejected and H₁ was accepted, which means that there was a significant difference between  the pre-test and post-test scores  of students after using the LKPD. In addition, based on the N-Gain value, an average of 0.54 was obtained in the medium category. Based on these results, it could be concluded that STEM-based LKPD assisted by GeoGebra was effective in improving students' ability to understand mathematical concepts. 
Kemampuan Mahasiswa Calon Guru Dalam Project Based Learning Pembuatan Video Pembelajaran Resti Komala Sari; Poni Saltifa; Pratiwi Disha Stanggo
JUPEIS : Jurnal Pendidikan dan Ilmu Sosial Vol. 5 No. 1 (2026): JUPEIS: Jurnal Pendidikan dan Ilmu Sosial
Publisher : Jompa Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57218/jupeis.Vol5.Iss1.2540

Abstract

Penelitian untuk mendeskripsikan dan menganalisis kemampuan yang telah dimiliki mahasiswa calon guru setelah melaksanakan Project Based Learning (PjBL) video pembelajaran di UIN Fatmawati Sukarno Bengkulu. Dalam pelaksanaannya, PjBL memiliki langkah-langkah dalam pelaksanaannya yang meliputi: (1) Merumuskan pertanyaan pemandu, (2) Perencanaan proyek, (3) Pelaksanaan proyek, (4) Monitoring dan umpan balik, (5) Penyusunan produk akhir dan (6) Presentasi serta refleksi.  PjBL secara alami mengakomodasi seluruh jenjang kemampuan kognitif dalam Taksonomi Bloom, mulai dari kemampuan berpikir tingkat rendah (C1–C2) hingga kemampuan berpikir tingkat tinggi atau Higher Order Thinking Skills (HOTS) (C3–C6).  Subjek penelitian sebanyak 30 orang mahasiswa. Data-data penelitian dikumpulkan dalam bentuk file video pembelajaran hasil karya mahasiswa dan laporan pelaksanaan proyek. Penilaian dilakukan dengan menyusun instrument angket dengan skala likert dengan skala 1 hingga 4 (dengan nilai maksimum yakni 4 dan nilai minimum yaitu 1).  Penilaian disesuaikan dengan indicator-indikator yang berkenaan dengan taksonomi bloom. Berdasarkan penelitian diperoleh bahwa hampir 50% mahasiswa mencapai kriteria sangat baik untuk level C1-C6. Perolehan yang paling rendah dilevel C3 karena mahasiswa dinilai terlalu menggunakan bahasa buku dalam eksekusi proyek sehingga dirasa kurang improvisasi dalam penyajian materi. Namun untuk laporan kegiatan, 71% mahasiswa sudah mencapai kriteria sangat baik.
Co-Authors Elwan Stiadi Fadya Alfani Poni Saltifa Resti Komala Sari