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Yusuf Kendek
Program Studi Pendidikan Fisika, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Tadulako, Palu, Sulawesi Tengah, Indonesia
Humanities Education Social Sciences

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Miskonsepsi Siswa SMA Negeri 1 Palu tentang Suhu dan Kalor Sartika Sartika; Jusman Mansyur; Yusuf Kendek
Jurnal Kreatif Online Vol. 9 No. 2 (2021): Jurnal Kreatif Online
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (246.154 KB) | DOI: 10.22487/jko.v9i2.1106

Abstract

Banyak siswa yang masih mengalami miskonsepsi fisika mengenai materi suhu dan kalor. Mereka beranggapan bahwa kalor dan suhu merupakan hal yang sama. Penelitian ini merupakan penelitian deskriptif kualitatif. Penelitian ini bertujuan untuk mendeskripsikan miskonsepsi siswa Sekolah Menengah Atas (SMA) tentang suhu dan kalor. Penelitian ini dilakukan di SMA Negeri 1 Palu. Subjek penelitian adalah siswa kelas XI IPA 1 yang berjumlah 31 siswa. Instrumen yang digunakan adalah tes pilihan ganda berdasarkan tingkat kepercayaan dalam menjawab soal (three-tier diagnostic test) untuk mengetahui tingkat miskonsepsi yang dimiliki siswa terhadap materi suhu dan kalor yang berjumlah 15 butir. Hasil penelitian menunjukkan bahwa tingkat miskonsepsi siswa menggunakan tes diagnostik tingkat pohon tergolong sedang dengan persentase rata-rata 35,27%. Miskonsepsi dominan pada konsep pemuaian, Asas Black dan Perpindahan kalor. Pada penelitian ini miskonsepsi tertinggi terdapat pada konsep pengaruh kalor terhadap pemuaian dan perubahannya yaitu sebesar 67,74 %.
Pengaruh Model Problem Based Learning dengan Pendekatan Multirepresentasi terhadap Hasil Belajar Siswa pada Materi Usaha dan Energi Elysabeth Joseph Mangngella; Yusuf Kendek
Jurnal Kreatif Online Vol. 9 No. 3 (2021): Jurnal Kreatif Online
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (284.871 KB) | DOI: 10.22487/jko.v9i3.1241

Abstract

This study aims to determine the effect of the problem-based learning model with a multi-representation approach on student learning outcomes on work and energy. The type of research used is an experimental design with "the equivalent pretest-posttest design". The sample was selected using purposive sampling technique and resulted in class XI IPA 1 (n = 30 students) as the control class and class XI IPA 2 (n = 30 students) as the control class. experimental class. The instrument used is a test of learning outcomes in the form of multiple choice. Based on the results of data processing, the average posttest score of the control class students' learning outcomes was 11.44. While the experimental class obtained the average posttest score was 14.90. Analysis of the test data was carried out using a two-party t-test statistical technique to test the difference in the mean scores of student learning outcomes with a significant level of =0.05. The results obtained are tcount = 0.09 and ttable = 2.00. This means that there is an effect of the problem based learning model with a multi-representation approach on student learning outcomes on business and energy materials at SMA Negeri 8 Palu.
Penerapan Model Cooperative Learning Tipe Numbered Heads Together (NHT) untuk Meningkatkan Hasil Belajar Fisika Siswa SMA Negeri 1 Bolano Andi Sumadi; Yusuf Kendek; Mumammad Jarnawi
Jurnal Kreatif Online Vol. 9 No. 4 (2021): Jurnal Kreatif Online
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (546.905 KB) | DOI: 10.22487/jko.v9i4.1784

Abstract

The study aimed to determine the improvement of learning outcomes by implementing the cooperative learning model type Numbered Heads Together (NHT) of students in class XI IPA SMA Negeri 1 Bolano. This research was action research carried out cyclically and refers to the research design of the Kemmis & Mc. Taggart. This research had four stages, planning, implementing actions, observing, and reflecting. The types of data obtained were qualitative and quantitative data. Qualitative data was obtained from teaching and learning activities in the form of observations. Quantitative data were learning outcomes obtained by tests. Learning outcomes of the cycle I got classical learning completeness of 21.21%, classical absorption of 55.95%, teacher activity was in the sufficient category with a percentage of 73.52%, and student activity was in the sufficient category at a percentage of the cycle of 75%. Cycle II obtained classical learning completeness of 90.90%, classical absorption 80%, teacher activity was in the very good category with a percentage of 91.67%, and student activity was in the very good category at a percentage of 92.77%. Based on the performance indicators, the conclusion is that implementing the Numbered Heads Together (NHT) cooperative learning model can improve student learning outcomes of students in class XI IPA SMA Negeri 1 Bolano.
Pembelajaran dengan Team Based Project untuk Meningkatkan Kemampuan Mahasiswa Merancang Eksperimen Fisika Berbasis Proyek I Komang Werdhiana; Unggul Wahyono; Nurasyah Dewi Napitupulu; Yusuf Kendek
Jurnal Kreatif Online Vol. 11 No. 1 (2023): Jurnal Kreatif Online
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Learning that is carried out online has difficulty carrying out practicums with actual equipment. Because of that, another alternative is needed as a substitute for practicum. Substitute practicum can be done by providing projects that are carried out in a structured manner. The purpose of this study was to improve students' ability to design project-based physics experiments through team based project learning. This research was carried out by providing project assignments that were carried out in groups. Through this activity, we want to know the ability of students to design project-based physics experiments. The results of student projects were assessed by 5 Physics teachers using performance appraisal sheets. Assessment of student project results is carried out through focus group discussion activities. The results of the projects assessed are the results of the mid-semester and end-of-semester projects. The results of the assessment show that the results of the end-of-semester project get a higher score than the results of the mid-semester project. This means that through team based project learning, students can improve their ability to design project-based physics experiments.
Co-Authors Andi Sumadi Elysabeth Joseph Mangngella I Komang Werdhiana Jusman Mansyur Mumammad Jarnawi Nurasyah Dewi Napitupulu Sartika Sartika Unggul Wahyono