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All Journal Jurnal Pendidikan MIPA Scholaria: Jurnal Pendidikan dan Kebudayaan JMPM: Jurnal Matematika dan Pendidikan Matematika Indonesian Journal of Science and Mathematics Education Jurnal Pengabdian Pada Masyarakat Jurnal Kreativitas PKM JOURNAL OF KOMODO SCIENCE EDUCATION JOURNAL OF SONGKE MATH Al-Fikru : Jurnal Pendidikan dan Sains Jurnal Pengabdian Pada Masyarakat GEMBIRA (Pengabdian Kepada Masyarakat)
Ricardus Jundu
Universitas Katolik Indonesia Santu Paulus Ruteng
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Journal : Jurnal Pendidikan MIPA

 1 
The Effectiveness of Problem-Based Learning Model to Improve Problem Solving Skills and Concept Understanding in Acid Base Solution Ricardus Jundu; Silfanus Jelatu; Eufrasia Jeramat; Gabariela Purnama Ningsi
Jurnal Pendidikan MIPA Vol 24, No 1 (2023): Jurnal Pendidikan MIPA
Publisher : University of Lampung

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Abstract This research investigates the difference between learning acid base solution material using the PBL model and conventional learning regarding the conceptual understanding and problem-solving ability of grade XI students at Setia Bakti Ruteng senior high school. Three science classes from Grade XI at Setia Bakti Ruteng Senior High School comprised the 76 students who made up the study's population. The research sample, comprised of 56 students, was divided into two classes for the experiments: classes 1 and 2. Experiment class 1 was handled utilizing the PBL approach, and experiment class 2 was conducted using 5 M learning. The cluster random sampling method was used to select the sample. An essay examination was used to assess students' idea understanding, and their problem-solving ability was determined by examining their responses to the problem-solving essay test. The study's findings indicate that when conceptual comprehension and problem-solving skills are tested simultaneously in grade XI students at Setia Bakti Ruteng Senior High School, the PBL approach and conventional learning produce significantly different learning outcomes.Keywords problem-based learning, concept understanding, problem-solving.Abstrak Penelitian ini bertujuan untuk menyelidiki perbedaan pemahaman konsep dan kemampuan pemecahan masalah siswa pada pembelajaran materi larutan asam basa dengan menggunakan model PBL dan pembelajaran konvensional. Penelitian ini merupakan penelitian eksperimen semu dengan desain penelitian nonequivalent control group design. Populasi penelitian ini adalah 76 siswa yang terbagi dalam tiga kelas XI IPA di SMA Setia Bakti Ruteng. Sampel penelitian berjumlah 56 siswa yang dikelompokkan menjadi kelas eksperimen 1 dan kelas eksperimen 2. Kelas eksperimen 1 diberi perlakuan dengan menggunakan model PBL, sedangkan kelas eksperimen 2 menggunakan pembelajaran 5 M. Sampel dipilih dengan menggunakan teknik cluster random sampling. Pemahaman konsep diukur dengan menggunakan tes esai, dan kemampuan pemecahan masalah diukur dengan menganalisis jawaban siswa pada tes esai pemecahan masalah. Hasil penelitian menunjukkan adanya perbedaan keefektifan prestasi belajar yang signifikan antara penggunaan model PBL dan pembelajaran konvensional terhadap pemahaman konsep dan kemampuan pemecahan masalah siswa kelas XI SMA Setia Bakti Ruteng jika diukur secara simultan.Kata kunci pembelajaran berbasis masalah, pemahaman konsep, pemecahan masalah.DOI: http://dx.doi.org/10.23960/jpmipa/v24i1.pp161-171
The Effect of Scientific Approach Contextual Teaching and Learning on Students' Mathematical Power Fransiskus Nendi; Rosantri Ermelinda; Silfanus Jelatu; Ricardus Jundu; Gabariela Purnama Ningsi; Kanisius Mandur
Jurnal Pendidikan MIPA Vol 24, No 4 (2023): Jurnal Pendidikan MIPA
Publisher : University of Lampung

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Abstract: Unlike traditional learning models, this study aimed to evaluate the effects of applying a scientific method that incorporates CTL (Contextual Teaching and Learning) on students' mathematical ability. A quasi-experimental study with a posttest-only control group design was the research methodology employed. There were 200 pupils in grade VIII at SMPK Immaculata Ruteng who made up the study population. Class VIII D (33 students) was the experimental class that utilized the CTL-based scientific method, while class VIII F (34 students) was the control class that followed the traditional learning paradigm. Sampling was done at random. A multiple-choice test was the research tool employed, and the t-test was used to analyze the results. At the 5% significance level, the t-table was 1.668 according to the analysis results, and the t-count value was 5.114. The rejection of H0 (the null hypothesis) is possible when taking into account the decision rule where thitung ttabel. Therefore, it can be said that students' mathematical proficiency is greatly impacted by the use of a CTL-based scientific method Keywords: CTL; mathematical power; scientific approach. Abstrak: Penelitian ini dilakukan dengan tujuan untuk menilai dampak dari penerapan pendekatan saintifik yang memuat CTL (Contextual Teaching and Learning) terhadap kemampuan matematis siswa, dibandingkan dengan penggunaan model pembelajaran konvensional terhadap kemampuan matematis siswa. Metode penelitian yang digunakan adalah penelitian eksperimen semu dengan desain posttest-only control group. Populasi penelitian mencakup seluruh siswa kelas VIII di SMPK Immaculata Ruteng, dengan jumlah keseluruhan 200 siswa. Pengambilan sampel dilakukan secara acak, dengan kelas VIII D (33 siswa) sebagai kelas eksperimen yang menerapkan pendekatan saintifik berbasis CTL, sedangkan kelas VIII F (34 siswa) menjadi kelas kontrol yang menggunakan model pembelajaran konvensional. Instrumen penelitian yang digunakan adalah tes pilihan ganda, dan analisis data dilakukan menggunakan uji-t. Hasil analisis menunjukkan nilai thitung sebesar 5,114, sementara ttabel adalah 1,668 pada tingkat signifikansi 5%. Dengan mempertimbangkan aturan keputusan di mana tcount ttabel, maka H0 (hipotesis nol) dapat ditolak. Dengan demikian, dapat disimpulkan bahwa penerapan pendekatan saintifik berbasis CTL memiliki pengaruh signifikan terhadap kemampuan matematis siswa.   Kata kunci: CTL; daya matematis; pendekatan saintifik DOI: http://dx.doi.org/10.23960/jpmipa/v24i4.pp837-845
Co-Authors Alberta P. Makur Alberta Parinters Makur Bedilius Gunur Bernardus Tube Dorotea Yuinasti Emilianus Emilianus Jehadus Eufrasia Jeramat Felisia Hilda Asmi Fransiskus Nendi Fulgensius Efrem Men Gabariela Purnama Ningsi Kanisius Mandur Kristianus Viktor Pantaleon Lana Sugiarti Murni, Viviana Pius Herman Tuwa Polikarpus Raga Polykarpus Raga Rosantri Ermelinda Rosnadiana Seliman Serafina Jevianti Silfanus Jelatu Tamur, Maximus Yohanes Kurniawan