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Jurnal Pendidikan Fisika Indonesia
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Articles 33 Documents
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Search results for , issue "Vol 12, No 1 (2016)" : 33 Documents clear
THE EFFECT OF INQUIRY BASED LEARNING ON THE REASONING ABILITY OF GRADE VII STUDENTS ABOUT HEAT CONCEPT Damawati, N. A. C.; Juanda, E. A.
Jurnal Pendidikan Fisika Indonesia Vol 12, No 1 (2016): January 2016
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v12i1.3871

Abstract

This study aimed to analyze the effect of Inquiry Based Learningon the reasoning ability of grade 7 students about heat concept. This study is a quasi-experimental research design with non-equivalent post-test only controls group design. Two groups of seventh grade students were included as samples, which receive the experimental class of Inquiry Based Learning treatment while the other group acted as a control group who received the learning process in accordance with the applicable provisions of the curriculum. The data collected in this study is the students reasoning ability which obtained from the test of reasoning ability. Data were analyzed using descriptive statistics and statistical parametric t-test. Results of independet research shows that there are significant differences in reasoning abilities between the experimental class and control class. In this research, the experiment class perform more better reasoning skills than the control class.Penelitian ini bertujuan untuk menganalisis pengaruh Inquiry Based Learning terhadap kemampuan penalaran siswa kelas VII pada materi Kalor. Penelitian ini merupakan penelitian eksperimen semu dengan rancangan non-equivalent post-test only control group design.  Dua kelompok siswa kelas VII  dilibatkan sebagai sampel penelitian, dimana kelas eksperimen menerima perlakuan Inquiry Based Learning sementara kelompok lainnya bertindak sebagai kelas kontrol yang menerima proses pembelajaran sesuai dengan ketentuan kurikulum yang berlaku di sekolah tempat penelitian dilaksanakan. Data yang dikumpulkan dalam penelitian ini adalah kemampuan penalaran siswa yang diperoleh dari hasil tes kemampuan penalaran. Data dianalisis dengan menggunakan statistik deskriptif dan statistik parametrik Independent t-test. Hasil penelitian menunjukkan bahwa terdapat perbedaan kemampuan penalaran yang signifikan antara kelas eksperimen dan kelas kontrol Kelas eksperimen menunjukkan kemampuan penalaran yang lebih baik dibandingkan dengan kelas kontrol.
USING INTEGRATED TYPE ON SCIENCE LEARNING FOR IMPROVING JUNIOR HIGH SCHOOL STUDENTS’ CRITICAL THINKING SKILLS Pratiwi, T. R.; Muslim, M.
Jurnal Pendidikan Fisika Indonesia Vol 12, No 1 (2016)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v12i1.5460

Abstract

The purpose of this study is to know improvement junior high school students’ critical thinking skills through integrated type on science learning and students’ respons. Using quasi-experimental methods, the study employed non-equivalent pre-test and post-test control group design. The research involved 68 seventh grade students using integrated type. Critical thinking test was used to collect data as pretest and posttest. The data showed that participant utilized integrated type in experimental groups performed significantly better than controls group (p>0.05) on critical thinking test. The result showed that integrated type in science learning can lead to learning gains that exceed those critical thinking in classes where mainly convensional science learning methods are used.Keterampilan berpikir kritis merupakan keterampilan berpikir dasar yang harus dimiliki oleh seseorang dalam menghadapi tantangan perkembangan IPTEK secara bijak. Penelitian ini bertujuan untuk mengetahui peningkatan keterampilan berpikir kritis siswa SMP melalui pembelajaran IPA tipe integrated dan tanggapan siswa. Penelitian ini menggunakan metode kuasi eksperimen dengan desain non-equivalent pretest and posttest control group. Subyek penelitian adalah 68 siswa kelas VII yang terbagi kedalam kelas eksperimen dan kelas kontrol. Pengukuran keterampilan berpikir kritis menggunakan tes pilihan ganda beralasan. Temuan penelitian menunjukkan terjadi peningkatan keterampilan berpikir kritis kelas eksperimen sebesar 0,52 dengan kategori sedang lebih tinggi dibandingkan kelas kontrol sebesar 0,29 dengan kategori rendah.  Hasil uji t nilai N-Gain keterampilan berpikir kritis menghasilkan penolakan terhadap Ho (p>0.05). Dengan demikian dapat disimpulkan bahwa pembelajaran terpadu tipe integrated konsep perubahan dapat meningkatkan keterampilan berpikir kritis siswa SMP. Hampir keseluruhan siswa memberikan tanggapan positif terhadap pembelajaran terpadu tipe integrated.
THE EFFECT OF INQUIRY BASED LEARNING ON THE REASONING ABILITY OF GRADE VII STUDENTS ABOUT HEAT CONCEPT Damawati, N. A. C.; Juanda, E. A.
Jurnal Pendidikan Fisika Indonesia Vol 12, No 1 (2016)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v12i1.3871

Abstract

This study aimed to analyze the effect of Inquiry Based Learningon the reasoning ability of grade 7 students about heat concept. This study is a quasi-experimental research design with non-equivalent post-test only controls group design. Two groups of seventh grade students were included as samples, which receive the experimental class of Inquiry Based Learning treatment while the other group acted as a control group who received the learning process in accordance with the applicable provisions of the curriculum. The data collected in this study is the students reasoning ability which obtained from the test of reasoning ability. Data were analyzed using descriptive statistics and statistical parametric t-test. Results of independet research shows that there are significant differences in reasoning abilities between the experimental class and control class. In this research, the experiment class perform more better reasoning skills than the control class.Penelitian ini bertujuan untuk menganalisis pengaruh Inquiry Based Learning terhadap kemampuan penalaran siswa kelas VII pada materi Kalor. Penelitian ini merupakan penelitian eksperimen semu dengan rancangan non-equivalent post-test only control group design.  Dua kelompok siswa kelas VII  dilibatkan sebagai sampel penelitian, dimana kelas eksperimen menerima perlakuan Inquiry Based Learning sementara kelompok lainnya bertindak sebagai kelas kontrol yang menerima proses pembelajaran sesuai dengan ketentuan kurikulum yang berlaku di sekolah tempat penelitian dilaksanakan. Data yang dikumpulkan dalam penelitian ini adalah kemampuan penalaran siswa yang diperoleh dari hasil tes kemampuan penalaran. Data dianalisis dengan menggunakan statistik deskriptif dan statistik parametrik Independent t-test. Hasil penelitian menunjukkan bahwa terdapat perbedaan kemampuan penalaran yang signifikan antara kelas eksperimen dan kelas kontrol Kelas eksperimen menunjukkan kemampuan penalaran yang lebih baik dibandingkan dengan kelas kontrol.
THE DEVELOPMENT OF EARTH QUAKE TEACHING MATERIAL FOR JUNIOR HIGH SCHOOL BY FOUR STEP TEACHING MATERIALS DEVELOPMENT METHOD Hendri, S.; Setiawan, W.
Jurnal Pendidikan Fisika Indonesia Vol 12, No 1 (2016)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v12i1.3782

Abstract

The aim of this study is to developed a science teaching material for students on junior high school. The theme of this material are the earthquake phenomenon as the main subject are displayed integratedly into various concepts of science knowledge such as earth science, physics, biology and technology. This study is Research and Development study that developing teaching materials by using The Four Step Teaching Materials Development. The four steps on developing a teaching material which are selection, structurisation, characterization, and didactic reduction process. The final product of this steps is hand out wich titled “Belajar Sains Melalui Fenomena Gempa Bumi (Learning Science through the earth quake phenomenon)”. Then, the teaching materials is tested to get information about concepts indentification, eligibility, and student’s understanding. This study showed that most of the concepts on this teaching material are quite easy with the correct written main ideas above 75% and the students understanding toward this hand out are falls on good category.  Beside that, this hand out are  validated in four aspects, which are content, material presentment, language & grammar, and grafis.The result stated that the hand out is feasible for use in learning.Penelitian ini bertujuan untuk mengembangkan bahan ajar materi ilmu pengetahuan alam bagi siswa Sekolah Menengah Pertama. Bahan ajar ini mengangkat tema fenomena bencana gempa bumi sebagai pokok pembahasan utama yang mengintegrasikan  ilmu kebumian, fisika, biologi dan teknologi. Penelitian ini merupakan bagian dari Research and Development, yaitu mengembangkan bahan ajar menggunakan metode Four Step Teaching Materials Development (4STMD). 4STMD memiliki empat tahapan pengembangan bahan ajar, yaitu proses seleksi, proses strukturisasi, proses karakterisasi, dan proses reduksi didaktis. Produk akhir dari pengolahan bahan ajar ini berjudul “Belajar Sains Melalui Fenomena Gempa Bumi”. Pengujian terhadap bahan ajar dilakukan dengan mengidentifikasi konsep sulit, menilai kelayakan bahan ajar, dan keterpahaman siswa terhadap bahan ajar. Hasil penelitian menunjukkan sebagian besar konsep-konsep materi yang terdapat pada bahan ajar tergolong konsep mudah, dengan persentase penulisan ide pokok benar diatas 75% dan kualifikasi pemahaman siswa terhadap bahan ajar dikategorikan baik. Hasil penilaian kelayakan bahan ajar dinyatakan bahwa bahan ajar ini layak untuk digunakan dalam pembelajaran.
LEARNING STRATEGY IMPLEMENTATION OF GENERATIVE LEARNING ASSISTED SCIENTIST’S CARD TO IMPROVE SELF EFFICACY OF JUNIOR HIGH SCHOOL STUDENT IN CLASS VIII Yuliarti, R.; Khanafiyah, S.; Darmaputra, N. M.
Jurnal Pendidikan Fisika Indonesia Vol 12, No 1 (2016)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v12i1.4257

Abstract

In general, self-efficacy of the students is still low. This study aims to determine the learning strategies implementation of generative learning assisted scientist's card in improving self-efficacy and cognitive learning outcomes of the students. The study designed form One Group Pretest-Posttest Design. The improvement of self-efficacy can be determined from the change in the questionnaire score before and after the learning and observations during the learning process. Cognitive learning outcomes are known from pretest and posttest scores. To determine the improvement, the data were analyzed by using the gain test. The results showed that N-gain of self-efficacy is 0.13 (low) and N-gain of cognitive learning is 0.60 (medium). Based on the observation, students’ self-efficacy has increased each meeting. Cognitive learning results also achieved mastery learning as big as 72.88%. It could be concluded that the learning strategy of generative learning assisted scientist's card can improve self efficacy and cognitive learning outcomes of the students.Pada umumnya, self efficacy yang dimiliki siswa masih rendah. Penelitian ini bertujuan untuk mengetahui penerapan strategi pembelajaran generative learning berbantuan scientist’s card dalam meningkatkan self efficacy dan  hasil belajar  kognitif siswa.  Desain penelitian berbentuk One Group Pretest-Posttest Design. Peningkatan self efficacy dapat diketahui dari perubahan  skor angket sebelum dan sesudah pembelajaran dan hasil observasi selama pembelajaran. Hasil  belajar kognitif diketahui dari skor pretest dan posttest. Untuk mengetahui peningkatannya, data yang diperoleh dianalisis menggunakan uji gain. Hasil penelitian menunjukkan bahwa peningkatan self efficacy berkatagori rendah dan peningkatan hasil belajar kognitif berkatagori sedang. Berdasarkan hasil observasi, self efficacy siswa setiap pertemuan meningkat. Hasil belajar ranah kognitif juga mencapai ketuntasan belajar .Jadi dapat disimpulkan bahwa strategi pembelajaran generative learning berbantuan scientist’s card dapat meningkatkan self efficacy dan hasil belajar ranah kognitif siswa. 
INFLUENCE OF CONCENTRATION OF RIND EXTRACT OF RED DRAGON FRUIT (HYLOCEREUS COSTARICENSIS) AGAINST THE DSSC EFFECIENCY Setiawan, A.; Fatayati, I.; Aliah, H.
Jurnal Pendidikan Fisika Indonesia Vol 12, No 1 (2016)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v12i1.4222

Abstract

Research on utilization of rind extracts of red dragon fruit (hylocereus costaricensis) as sensitizer for dye sensitized solar cell (DSSC) has been conducted by reviewing influence of the concentration against the DSSC efficiency. Characterization on optical absorption at various concentrations and identification of functional groups, each using an UV-Vis spectrometer and Fourier transform infra red (FTIR), have done to the dye in the form of the extracts. The dye characterization result on optical absorption at various concentration shows that the optical absorption at range of wavelength 320-760 nm has the peak of absorbance tend to increase with increasing the concentration. Therefore the dye is capable to role as a sunlight absorber. Meanwhile, infra red absorption spectrum obtained from FTIR results indicate the presence of functional groups O-H, C=O, C=C, C-O, and C-H aromatic. Results of current-voltage characterization of DSSC show an increase in maximum power and efficiency with increasing concentration.Penelitian mengenai pemanfaatan ekstrak kulit buah naga merah (hylocereus costaricensis) sebagai penyensitif pada dye sensitized solar cell (DSSC) telah dilakukan dengan meninjau pengaruh konsentrasi ekstrak terhadap efisiensi DSSC. Terhadap dye berupa ekstrak kulit H. Costaricencis dilakukan pengujian serapan optik pada berbagai konsentrasi dan identifikasi gugus fungsi, masing-masing menggunakan spektrometer UV-Vis dan fourier transform infra red (FTIR). Hasil pengujian dye pada konsentrasi 100 %, 50 %, 33,33 %, 25%, dan 20% menunjukan serapan optik yang terjadi pada panjang gelombang 320-760 nm, memiliki puncak yang cenderung semakin tinggi seiring dengan peningkatan konsentrasi. Dye yang berasal dari ekstrak kulit H. Costaricensis ini mampu berperan sebagai sunlight absorber. Sementara itu, spektrum serapan infra red yang diperoleh dari hasil FTIR mengindikasikan adanya gugus fungsi O-H, C=O, C=C, C-O, dan C-H aromatik. Hasil karakterisasi arus-tegangan dari DSSC menunjukkan adanya peningkatan nilai daya maksimum dan efisiensi seiring peningkatan konsentrasi. 
THE EFFECTIVENESS OF E-LAB TO IMPROVE GENERIC SCIENCE SKILLS AND UNDERSTANDING THE CONCEPT OF PHYSICS Siswanto, J.; Saefan, J.; Suparmi, S.; Cari, C.
Jurnal Pendidikan Fisika Indonesia Vol 12, No 1 (2016)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v12i1.3931

Abstract

The aimed of this sudy are: (1) investigate the effectiveness of E-Lab to improve generic science skills and understanding the concepts oh physics; and (2) investigate the effect of generic science skills towards understanding the concept of students after learning by using the E-Lab. The method used in this study is a pre-experimental design with one group pretest-posttest. Subjects were students of Physics Education in University PGRI Semarang with methode random sampling. The results showed that: (1) learning to use E-Lab effective to increase generic science skills of students; and (2) Generic science skills give positive effect on student conceptual understanding on the material of the photoelectric effect, compton effect, and electron diffraction. Tujuan penelitian ini yaitu: (1) menyelidiki efektifitas E-Lab untuk meningkatkan keterampilan generik sains dan pemahaman konsep mahasiswa; dan (2)  menyelidiki pengaruh keterampilan generik sains terhadap pemahaman konsep mahasiswa setelah dilakukan pembelajaran dengan menggunakan E-Lab. Metode penelitian yang digunakan dalam penelitian ini adalah pre-experimental dengan desain one group pretest-posttest. Subjek penelitian adalah mahasiswa Program Studi Pendidikan  Fisika  Universitas PGRI Semarang, dengan metode pengambilan sampel penelitian secara random. Hasil penelitian menunjukkan bahwa bahwa: (1) pembelajaran menggunakan E-Lab efektif untuk meningkatkan keterampilan generik sains mahasiswa; dan  (2) Keterampilan generik sains berpengaruh positif terhadap pemahaman konsep mahasiswa pada materi efek fotolistrik, efek compton, dan difraksi elektron. 
SOLID WASTE-SILICA COMPOSITE FOR HIGH STRENGTH AND LIGHTWEIGHT MATERIAL APPLICATION Masturi, M.; Rustad, S.; Sunarno, S.; Hindarto, N.
Jurnal Pendidikan Fisika Indonesia Vol 12, No 1 (2016)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v12i1.4289

Abstract

The solid waste composite was successfully made. Preliminary, the composite was synthesized using polyurethane as binder mixed with the solid waste using simple mixing method and then hot-pressed at at pressure of 4 metric-tons and temperature of 100°C for 20 minutes. To enhance its strength, silica nanoparticles with varied content then were added in the polyurethane-solid waste mixture. From the compressive strength test, it was obtained that polyurethane-solid waste composite with solid waste volume fraction of 87.15% had optimum compressive strength of 160 MPa. Meanwhile, for silica addition with the fraction of 0.4975%, the compressive strength became 200 MPa, or increased 23% of that without nanosilica. The enhancement was also briefly confirmed from FTIR Spectroscopy where some polyurethane spectra shifted small due to silica addition, especially in amine and carbonyl groups as its active groups. The strength is better than of brick (80 MPa), shalestone (73 MPa), silstone (92 MPa) and other stones. From density measurement, the composite-produced has density about 0.7 g/cm3 that comparable to Jati (Tectona grandis) and Mahoni (Swietenia macrophylla) having densities about 0.8 g/cm3 and 0.7 g/cm3 respectively. Therefore, this composite is very adequate for building material application to compete the woods.  Komposit sampah sudah berhasil dibuat. Mula-mula, komposit disintesis dengan menggunakan poliuretan sebagai pengikat yang dicampur dengan sampah melalui metode pencamnpuran sederhana (simple mixing), kemudian dihot-press pada tekanan 4 metric ton dan suhu 100°C selama 20 menit. Untuk meningkatkan kekuatan mekaniknya, nanopartikel silica dengan berbagai komposisi ditambahkan dalam campuran poliuretan-sampah. Dengan menggunakan uji kekuatan tekan, didapatkan komposit poliuretan-sampah dengan fraksi volume sampah sebesar 87,15% memiliki kekuatan tekan sebesar 160 MPa. Selanjutnya, dengan penambahan silica sebesar 0,4975% (v/v) kekuatan tekan komposit menjadi 200 MPa, atau meningkat sebesar 23% dibandingkan komposit tanpa silica. Peningkatan ini juga dikonfirmasi melalui FTIR Spectroscopy yang menunjukkan adanya pergeseran kecil pada puncak spektra poliuretan akibat penambahan silica, utamanya pada gugus fungsi amina dan karbonil. Kekuatan mekanik komposit ini lebih baik daripada batu bata (80 MPa), batuan shale (73 MPa), batuan siltstone (92 MPa) dan beberapa jenis batuan yang lain. Dengan menggunakan uji kerapatan didapatkan komposit ini memiliki massa jenis 0,7 g/cm3, setara dengan kayu Jati (Tectona grandis) dan Mahoni (Swietenia macrophylla) yang memiliki massa jenis masing-masing 0,8 g/cm3 dan 0,7 g/cm3. Ini menunjukkan komposit yang dihasilkan sangat cocok untuk diaplikasikan sebagai bahan bangunan pengganti kayu.
IMPLEMENTATION OF GUIDED INQUIRY PHYSICS INSTRUCTION TO INCREASE AN UNDERSTANDING CONCEPT AND TO DEVELOP THE STUDENTS' CHARACTER CONSERVATION Sarwi, S.; Sutardi, S.; Prayitno, W. W.
Jurnal Pendidikan Fisika Indonesia Vol 12, No 1 (2016)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v12i1.4264

Abstract

The Measurement Concepts Instruction (MCI) is carried out by implementation of guided inquiry experiment  model. The objectives is to develop the understanding concept and SMA students' character. The method used experiment educational research, with post- test control group design. The data of the understanding on property and measurement is collected by essay test and an observation sheets for students' character conservation. The subject of tutorial and non tutorial groups consist of 32 students respectively. The data were analyzed by t test and correlation analysis. The results showed a) the positive correlation between students' character and mastery on concept in high category (p = 0.002) and b) students' character conservation is significantly difference between tutorial and non tutorial groups. It can be concluded that the implementation of the guided inquiry experiment model to effective increase the understanding property and measurement and to develop students' character of senior high school students.Pembelajaran Fisika (PF) dilaksanakan melalui implementasi model eksperimen inkuiri terbimbing. Tujuan utama penelitian ini untuk mengungkap konsep besaran dan pengukuran dan mengembangkan nilai karakter konservasi siswa SMA. Metode penelitian ialah eksperimen kependidikan dengan post-test control group design digunakan. Subjek penelitian adalah kelompok perlakuan dengan tutorial dan non tutorial masing-masing 32 siswa. Data penelitian konsep besaran dan pengukuran dan nilai karakter konservasi dikumpulkan dengan tes uraian dan lembar observasi. Data dianalisis menggunakan uji t dan uji korelasi. Hasil penelitian yaitu: a)  ditemukan korelasi positif antara nilai karakter konservasi dan penguasaan konsep besaran dan pengukuran pada kategori tinggi dan sangat signifikan (p = 0,002), dan  b) diperoleh perbedaan penguasaan konsep yang signifikan antara kelompok tutorial dan non tutorial. Simpulan penelitian bahwa implementasi model eksperimen inkuiri terbimbing efektif untuk meningkatkan penguasaan besaran dan pengukuran dan mengembangkan nilai karakter konservasi siswa SMA.
STUDENTS’ UNDERSTANDING OF FUNDAMENTAL CONCEPTS OF MECHANICAL WAVE Sutopo, S.
Jurnal Pendidikan Fisika Indonesia Vol 12, No 1 (2016)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v12i1.3804

Abstract

Contrast to force and motion concepts, students’ difficulties related to physics concepts underlying mechanical wave propagation has getting less attention in physics education research. This study exposed common students’ difficulties in solving conceptual problems related to mechanical wave propagation. Subject consisted of 128 first-year students in physics department of UM, enrolling the Introductory Physics II in 2013/2014 academic year. Data was gathered using two-tier, multiple choices test with Confidence Scale Rating. The study concluded that some fundamental concepts of wave such as general mathematical representation of wave propagation, motion of medium particles, and the relationship of v = λf, were not well understood by most students; even many students hold misconceptions. The study suggested further research to explore the causes of student’s difficulties more outentically, for example, using think aloud or clinical interview methods.Kontras dengan topik gaya dan gerak, kesulitan siswa terkait konsep-konsep yang melandasi fenomena perambatan gelombang masih kurang mendapatkan perhatian para peneliti pendidikan fisika. Artikel ini mengangkat kesulitan umum yang dialami mahasiswa dalam memecahkan masalah konseptual terkait fenomena perambatan gelombang. Subjek penelitian terdiri atas 128 mahasiswa tahun pertama jurusan fisika UM yang mengikuti perkuliahan Fisika Dasar II tahun akademik 2013/2014. Analisis didasarkan pada jawaban mahasiswa terhadap soal pilihan ganda dan tingkat keyakinan mahasiswa terhadap ketepatan jawabannya. Penelitian menyimpulkan bahwa konsep-konsep fundamental yang meliputi representasi matematis tentang karakteristik umum gelombang berjalan, gerakan partikel medium saat dilewati gelombang, dan hubungan  belum dipahami dengan baik oleh sebagian besar mahasiswa; bahkan banyak mahasiswa yang terindikasi mengalami miskonsepsi. Disarankan untuk dilakukan penelitian lanjutan untuk mengeksplorasi lebih dalam dan lebih otentik penyebab kesulitan tersebut, misalnya menggunakan teknik think aloud atau interview klinis.

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