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Variabel
Published by STKIP Singkawang
ISSN : 2599302X     EISSN : 25993038     DOI : http://dx.doi.org/10.26737/var
Core Subject : Science, Education,
Variabel is a peer-reviewed scientific open access, with e-ISSN: 2599-3038 and p-ISSN: 2599-302X published by Institute of Managing and Publication of Scientific Journals at STKIP Singkawang. Variabel is firstly published in 2018 and periodically published twice per year on April and October. Variabel is available for free (open access) to all readers. Variabel publishes both the research and theoretical study (no longer than 5 years after the draft proposed) in terms of pure Mathematics and Science, and also Mathematics and Science Education includes Physics, Chemistry, Biology, and Science in school and educational institutions. All finding in scientific paper can be published in this journal.
Arjuna Subject : Umum - Umum
Articles 72 Documents
Pemanfaatan Trichokompos dan Biochar Limbah Panen Padi untuk Meningkatkan Pertumbuhan Tanaman Jagung dan Sifat Kimia Tanah Ultisol Rini Suryani; Sutikarini Sutikarini; Agus Suyanto
Variabel Vol 5, No 1 (2022): APRIL 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v5i1.2799

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh pemberian trichokompos dan biochar dan mendapatkan dosis trichokompos dan biochar yang terbaik bagi pertumbuhan dan hasil tanaman jagung pada tanah Ultisol. Penelitian dirancang dengan metode eksperimen lapangan pola Rancangan Percobaan Petak Terpisah (Split Plot) yang terdiri dari 2 faktor perlakuan, yaitu faktor pemberian biochar sebagai petak utama terdiri dari 3 taraf perlakuan, yaitu B0 = tanpa biochar, B1 = 10 ton/ha dan B2 = 15 ton/ha. Faktor pemberian trichokompos jerami padi sebagai anak petak terdiri dari 4 taraf yaitu K0 = tanpa trichokompos, K1 = 10 ton/ha, K2 = 15 ton/ha, K3 = 20 ton/ha. Parameter pertumbuhan yang diamati meliputi tinggi tanaman, berat kering dan volume akar pada fase vegetatif maksimum. Sifat kimia tanah yang diamati meliputi C organik, N, P dan K tanah pada akhir penelitian. Data hasil pengamatan dianalisis uji F pada taraf 5% kemudian dilakukan Uji lanjut menggunakan uji Beda Nyata Jujur (BNJ). Hasil penelitian menunjukkan adanya pengaruh nyata dari faktor tunggal pemberian biochar sekam padi dan trichokompos jerami padi dan terjadi interaksi perlakuan terhadap pertumbuhan jagung dan sifat kimia tanah Ultisol. Dosis biochar yang dapat meningkatkan pertumbuhan pada tanaman jagung di tanah Ultisol adalah 10-15 ton/ha. Dosis terbaik pemberian trichokompos terhadap pertumbuhan tanaman jagung di tanah Ultisol adalah 15-20 ton/ha. Terdapat interaksi pemberian biochar sekam padi dan trichokompos pada tanaman jagung di tanah Ultisol. Dosis terbaik yang direkomendasikan pada pemberian kombinasi perlakuan biochar dan trichokompos yaitu B1K3 (biochar 10 ton/ha dan trichokompos 20 ton/ha).Kata Kunci: Tanaman Jagung; Biochar; Trichokompos; Tanah UltisolUtilization of Trichocompost and Biochar from Rice Waste to Increase Corn Growth and Chemical Properties of Ultisol SoilABSTRACTThis study aims to determine the effect of giving trichocompost and biochar and to obtain the best dose of trichocompost and biochar for the growth and yield of corn on Ultisol soil. The study was designed using the field experiment method with a Split Plot Experimental Design pattern which consisted of 2 treatment factors, namely the factor of giving biochar as the main plot consisting of 3 treatment levels, namely B0 = no biochar, B1 = 10 tons/ha and B2 = 15 tons/ha. Factors giving rice straw trichocompost as subplots consisted of 4 levels, namely K0 = no trichocompost, K1 = 10 tons/ha, K2 = 15 tons/ha, K3 = 20 tons/ha. Growth parameters observed included plant height, dry weight, and root volume in the maximum vegetative phase. The chemical properties of the soil observed included organic C, N, P, and K soil at the end of the study. Observational data were analyzed by F test at 5% level then further test was carried out using the Honest Significant Difference (HSD) test. The results showed that there was a significant effect of the single factor giving rice husk biochar and rice straw trichocompost and there was an interaction treatment on corn growth and the chemical properties of Ultisol soil. The dose of biochar that can increase the growth of corn on Ultisol soil was 10-15 tons/ha. The best dose of trichocompost on the growth of corn on Ultisol soil was 15-20 tons/ha. There was an interaction between giving rice husk biochar and trichocompost to corn plants on Ultisol soil. The best recommended dose for the combination of biochar and trichocompost treatment was B1K3 (10 tons/ha biochar and 20 tons/ha trichocompost).
Pengembangan Perangkat Penilaian Hasil Belajar dalam Pembelajaran Tematik Integratif dengan Pendekatan Saintifik di Kelas V Sekolah Dasar Maria Angelina Fransiska Mbari; Desi Maria El Puang; Elisabeth Gleko
Variabel Vol 5, No 1 (2022): APRIL 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v5i1.2880

Abstract

Penelitian ini bertujuan untuk: (1) menghasilkan perangkat penilaian yang layak untuk pembelajaran tematik-integratif kelas V SD, (2) mengetahui kepraktisan perangkat penilaian yang dikembangkan, dan (3) mengetahui keefektifan perangkat penilaian di kelas V SD pada subtema Komponen Ekosistem. Prosedur pengembangan perangkat penilaian didasari oleh penelitian dan pengembangan (Research and Development) model ADDIE. Tahapan model ADDIE merupakan Analysis, Design, Develop, Impelentation, dan Evaluation. Subjek penelitian ini adalah guru dan peserta didik SDK Bhaktyarsa Maumere, SDK Maria Ferrari, SDI Iligetang, SDI Wailiti. Jumlah responden guru berjumlah 5 orang dan siswa berjumlah 127 orang. Teknik Pengumpulan data yang digunakan adalah angket, observasi, dan wawancara. Teknik analisis data yang digunakan adalah analisis deskriptif. Hasil penelitian menunjukkan bahwa (1) perangkat penilaian hasil belajar yang dikembangkan telah memenuhi kriteria layak digunakan dengan skor maskimal yang diperoleh adalah 95, (2) perangkat penilaian hasil belajar yang dikembangkan telah memenuhi kriteria praktis berdasarkan respon guru dan peserta didik dengan skor maksimum 27, (3) perangkat penilaian hasil belajar yang dikembangkan telah memenuhi kriteria efektif berdasarkan ketuntasan hasil belajar siswa yaitu > 60%.Kata Kunci: Perangkat Penilaian; Pembelajaran Tematik Integratif; Sekolah DasarDevelopment of Learning Outcomes Assessment Tool in Integrative Thematic Learning with a Scientific Approach in Grade V Elementary SchoolABSTRACTThis study aims to: (1) produce appropriate assessment tools for thematic-integrative learning for fifth grade elementary school, (2) determine the practicality of the assessment tools developed, and (3) determine the effectiveness of assessment tools in fifth grade elementary school on the sub-theme of Ecosystem Components. The procedure for developing the assessment tool was based on the ADDIE Research and Development model. The stages of the ADDIE model were Analysis, Design, Develop, Implementation, and Evaluation. The subjects of this study were teachers and students of SDK Bhaktyarsa Maumere, SDK Maria Ferrari, SDI Iligetang, SDI Wailiti. The number of teacher respondents amounted to 5 people and students amounted to 127 people. Data collection techniques used were questionnaires, observations, and interviews. The data analysis technique used was descriptive analysis. The results showed that (1) the learning outcome assessment tool developed had met the criteria for proper use with the maximum score obtained was 95, (2) the developed learning outcome assessment tool had met the practical criteria based on teacher and student responses with a maximum score of 27, (3) the learning outcomes assessment tool developed has met the effective criteria based on the completeness of student learning outcomes > 60%.
Pengembangan Tes Diagnostik Menggunakan Model Teslet untuk Mengidentifikasi Kesulitan Belajar Peserta didik SMA pada Materi Momentum dan Impuls Fenny Trinovitasari; Haratua Tiur Maria S.; Muhammad Musa Syarif Hidayatullah
Variabel Vol 5, No 2 (2022): OCTOBER 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v5i2.3091

Abstract

Penelitian ini bertujuan menghasilkan tes diagnostik menggunakan model teslet pada materi momentum dan impuls untuk mengidentifikasi kesulitan belajar peserta didik SMA Negeri di Pontianak. Secara khusus bertujuan untuk: (1) mengidentifikasi karakteristik butir tes diagnostik menggunakan model teslet disusun pada materi momentum dan impuls. (2) mengetahui kelayakan tes diagnostik menggunakan model teslet pada materi momentum dan impuls. Penelitian ini merupakan penelitian dan pengembangan (Research and Development) dikembangkan dengan model Four-D menggunakan 9 langkah pengembangan tes diagnostik menurut Mardapi. Tes tediri dari 12 soal pokok yang masing-masing terdiri dari 3 subsoal, total keseluruhan 36 soal. Data kualitatif didapatkan dari validasi tim ahli yang merupakan guru mata pelajaran fisika dan dosen Pendidikan Fisika FKIP UNTAN. Uji skala kecil dengan subjek peserta didik kelas XI IPA 6 SMA Negeri 3 melibatkan 23 peserta didik, dan uji skala besar di kelas XI IPA 3 SMA Negeri 3, XI IPA 1 SMA Negeri 7, dan XI IPA 1 SMA Negeri 5 melibatkan 98 peserta didik. Karakteristik yang digunakan adalah karakteristik menurut Sutrisno. Berdasarkan analisis data, didapat tes diagnostik yang dikembangkan dengan model teslet dapat digunakan untuk mengidentifikasi kesulitan belajar peserta didik, yaitu: (1) tingkat validitas isi tinggi sebesar 0,94, (2) validitas butir soal lebih dari 0,413 dan 0,195 dengan jumlah soal valid sebanyak 36 soal, (3) reliabilitas tinggi sebesar 0,893, (4) tingkat kesukaran soal kategori sedang, (5) soal dibuat dengan bahasa yang sederhana dengan tingkat keterbacaan 7,05, sehingga soal yang dapat digunakan sebanyak 36 soal.Kata Kunci: Kesulitan Belajar; Tes Diagnostik; Teslet; Momentum dan ImpulsDevelopment of Diagnostic Tests Using Teslet Models to Identify High School Students' Learning Difficulties on Momentum and ImpulseABSTRACTThis study aims to produce diagnostic tests using a teslet model on momentum and impulse to identify learning difficulties for state high school students in Pontianak. It specifically aims to: (1) identify the characteristics of diagnostic test items using a teslet model composed on momentum and impulse materials. (2) knowing the feasibility of diagnostic tests using a teslet model on momentum and impulse materials. This research was a research and development developed with the Four-D model using 9 steps of diagnostic test development according to Mardapi. The test consisted of 12 main questions, each consisting of 3 sub-questions, a total of 36 questions. Qualitative data was obtained from the validation of a team of experts who are physics teachers and lecturers of Physics Education FKIP UNTAN. The small-scale test with the subjects of class XI science 6 SMA Negeri 3 students involved 23 students, and the large-scale test in class XI IPA 3 SMA Negeri 3, XI IPA 1 SMA Negeri 7, and XI IPA 1 SMA Negeri 5 involved 98 students. The characteristics used were those according to Sutrisno. Based on data analysis, diagnostic tests developed with a teslet model could be used to identify students' learning difficulties, namely: (1) a high content validity level of 0.94, (2) the validity of question items of more than 0.413 and 0.195 with a total of 36 valid questions, (3) high reliability of 0.893, (4) difficulty level of medium category questions, (5) questions made in simple language with a readability level of 7.05, so that the questions that could be used were as many as 36 questions.
Respon Morfologis dan Fisiologis Tanaman Melon (Cucumis melo) dengan Penambahan Ekstrak Kulit Pisang Kepok (Musa paradisiaca) Tristi Indah Dwi Kurnia; Ahmadi Susilo
Variabel Vol 5, No 2 (2022): OCTOBER 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v5i2.3683

Abstract

Penelitian ini bertujuan untuk mengkaji pengaruh ekstrak kulit Pisang Kepok terhadap respon morfologis dan fisiologis tanaman melon. Penelitian dilaksanakan pada bulan Februari sampai dengan Mei 2021 di Taman Suruh Kabupaten Banyuwangi dengan ketinggian tempat 300 m dpl. Desain penelitian adalah Rancangan Acak Lengkap (RAL) dengan 5 perlakuan dan 5 ulangan sehingga didapatkan 30 plot penelitian, yakni P0 = tanpa ekstrak kulit Pisang Kepok (EKP); P1 = 30 ml EKP; P2 = 40 ml EKP; P3 = 50 ml EKP dan P4 = 60 ml EKP. Data diamati setiap minggu dari minggu pertama hingga minggu ke 4. Parameter tanaman yang diamati dibagi menjadi 2 karakter, yakni morfologis dan fisiologis. Karakter morfologis, yakni tinggi tanaman, jumlah daun, dan luas daun. Adapun karakter fisiologis, yakni kandungan klorofil pada daun tanaman melon pada saat panen. Konsentrasi klorofil total, klorofil a dan klorofil b dihitung dengan metode Wintermans & de Mots. Data dianalisis dengan menggunakan uji F pada nilai α = 5%, jika ditemukan perlakuan yang berbeda nyata, selanjutnya data diuji dengan uji Beda Nyata Terkecil (BNT) pada taraf 5%. Hasil penelitian menunjukkan bahwa respon morfologis dan fisiologis tanaman melon menunjukkan adanya perbedaan yang signifikan ketika ditambahkan ekstrak kulit Pisang Kepok. Pemberian ekstrak kulit Pisang Kepok dengan dosis 50 mL per tanaman memberikan respon morfologis dan fisiologis terbaik pada tanaman melon.Kata Kunci: Melon; POC; Kulit Pisang Kepok; Morfologis; Fisiologis Morphological and Physiological Response of Melon Plant (Cucumis melo) with the Addition of Kepok Banana Peel Extract (Musa paradisiaca)ABSTRACTThe aims of the study were to examine the Kepok Banana peel extract on the morphological and physiological responses of melon plants. This research was carried out from February to May 2021 in Taman Suruh, Banyuwangi Regency with an altitude of 300 m above sea level. The research design was a Complete Randomized Design (CRD) with 5 treatments and 5 tests so that 30 research plots were obtained, namely P0 = without Kepok Banana peel extract (EKP); P1 = 30 ml EKP; P2 = 40 ml EKP; P3 = 50 ml EKP and P4 = 60 ml EKP. Data are observed weekly from the first week to fourth week. The observed plant parameters were divided into 2 characters, namely morphological and physiological. Morphological character, namely plant height, number of leaves, and leaf area. As for the physiological character, namely the chlorophyll content in the leaves of melon plants at the time of harvest. The total chlorophyll, chlorophyll a and chlorophyll b concentrations were calculated by the Wintermans & de Mots method. The data were analyzed using the F test at a value of α = 5%, if a real different treatment was found, then the data was tested with the Smallest Real Difference (BNT) test at a level of 5%. The results showed that the morphological and physiological responses of melon plants showed significant differences when added to the peel extract of Kepok Banana. The dosage of 50 mL of EKP per plant was the dose that gives the best morphological and physiological response results in melon plants.
Efektivitas Permainan Gasik 2.0 pada Pembelajaran IPA untuk Menumbuhkan Keterampilan Abad 21 Siswa SMP Frilisa Dliyaul Haya; Ahmad Salim; Suberi Suberi
Variabel Vol 5, No 2 (2022): OCTOBER 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v5i2.2445

Abstract

Penelitian ini bertujuan untuk mengetahui efektivitas permainan Gasik 2.0 pada pembelajaran serta mengetahui gambaran keterampilan abad 21 siswa pada aspek kognitif dan psikomotor. Keterampilan Abad 21 yang difokuskan yaitu keterampilan 4Cs yang dirujuk dari Partnership 21 meliputi (1) Critical Thinking and Problem Solving; (2) Creativity and Innovation; (3) Communication; (4) Collaboration. Metode pengumpulan data yang digunakan yaitu metode eksperimen. Sampel penelitian yaitu 150 siswa SMP Negeri 1 Bonang. Permainan Gasik diterapkan pada 75 siswa sebagai kelas eksperimen, sedangkan 75 siswa yang lain diberikan pembelajaran dengan diskusi sebagai kelas kontrol. Pengumpulan data menggunakan soal tes dan lembar observasi keterampilan. Data hasil tes dianalisis menggunakan uji-t, sedangkan hasil observasi dianalisis menggunakan statistik deskriptif. Hasil uji-t menunjukkan nilai signifikansi 0.00 sehingga terdapat perbedaan antara nilai postes kelas eksperimen dengan kelas kontrol. Rata-rata nilai postes pada kelas kontrol yaitu 45, sedangkan pada kelas eksperimen sebesar 59. Hasil analisis tersebut menunjukkan bahwa penggunaan permainan Gasik 2.0 pada pembelajaran terbukti mampu menumbuhkan keterampilan abad 21 pada aspek kognitif. Namun, peningkatannya tergolong rendah. Untuk hasil observasi keterampilan abad 21 pada aspek psikomotor di kelas eksperimen terdapat satu keterampilan yang memenuhi standar, yaitu kolaborasi, sedangkan pada kelas kontrol belum memenuhi standar.Kata Kunci: Keterampilan Abad 21; 4C; Permainan Gasik; Gamifikasi The Effectiveness of Gasik 2.0 Games on Science Learning to Grow 21st Century Skills of Junior High School StudentsABSTRACTThis study aims to determine the effectiveness of Gasik 2.0 games on learning and find out the picture of students' 21st century skills on cognitive and psychomotor aspects. The 21st Century skills focused on were the 4Cs skills referenced from Partnership 21 including (1) Critical Thinking and Problem Solving; (2) Creativity and Innovation; (3) Communication; (4) Collaboration. The data collection method used was the experimental method. The research sample was 150 students of SMP Negeri 1 Bonang. Gasik's game was applied to 75 students as an experimental class, while another 75 students were given learning with discussion as a control class. Data collection used test questions and skill observation sheets. The test result data were analyzed using a t-test, while the observation results were analyzed using descriptive statistics. The results of the t-test showed a significance value of 0.00 so there was a difference between the posttest value of the experimental class and the control class. The average posttest score in the control class was 45, while in the experimental class it was 59. The results of the analysis showed that the use of Gasik 2.0 games in learning had proven to be able to grow 21st century skills in cognitive aspects. However, the increase was relatively low. For the results of the observation of 21st century skills on psychomotor aspects in the experimental class, there was one skill that meets the standards, namely collaboration, while in the control class it had not met the standards.
Pelabelan Prima pada Graf Simpul Semi Total dari Graf Sikat Dany Riansyah Putra; Mariatul Kiftiah; Fransiskus Fran
Variabel Vol 5, No 2 (2022): OCTOBER 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v5i2.2699

Abstract

Artikel ini membahas mengenai pelabelan prima pada suatu graf sederhana  dengan himpunan simpul  dan himpunan sisi . Suatu graf  adalah graf prima jika terdapat pemetaan bijektif  sedemikian sehingga untuk setiap simpul  dan  yang bertetangga berlaku FPB. Selanjutnya, untuk graf sederhana yang berupa graf simpul semi total dari graf sikat, dikonstruksi suatu pelabelan prima dengan pembuktiannya memanfaatkan algoritma Euclidean. Hasil konstruksi menunjukkan bahwa graf simpul semi total dari graf sikat merupakan graf prima.Kata Kunci: Pemetaan; Graf Prima; Relatif Prima; Faktor Persekutuan Terbesar Prime Labeling for a Semi-Total Point Graph of a Brush GraphABSTRACTIn this article, we investigate prime labeling for a simple graph G, where V(G) and E(G) are vertex set and edge set of G, respectively. A graph G is called a prime graph if there exists a bijective mapping  such that for each u and v are adjacent vertices in G then we have GCD. Furthermore, in terms of a semi-total point graph of a brush graph, a prime labeling was constructed using the Euclidean algorithm. As a result, this graph was a prime graph.
Pengembangan Media Pembelajaran Berbasis Moodle untuk Materi Momentum dan Impuls di Kelas X SMA Mutiara Chelsiyanti; Haratua Tiur Maria Silitonga; Hamdani Hamdani
Variabel Vol 5, No 2 (2022): OCTOBER 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v5i2.3639

Abstract

Menghasilkan media pembelajaran berbasis moodle yang layak dan mengidentifikasi apakah terdapat peningkatan pada hasil belajar peserta didik setelah menggunakan media pembelajaran berbasis moodle merupakan tujuan dari penelitian ini. Untuk merealisasikan tujuan penelitian, digunakan metode penelitian dan pengembangan atau research and development (R&D). Model pengembangan yang digunakan adalah model ADDIE, memiliki 5 tahap yaitu analysis, design, development, implementation dan evaluation. Instrumen yang digunakan untuk menilai kelayakan produk berupa lembar validasi dan angket respon peserta didik. Data penelitian dianalisis dengan teknik analisis deskriptif kuantitatif. Peserta didik diberikan soal pretest dan posttest sebanyak 15 soal pilihan ganda, untuk melihat apakah terdapat peningkatan pada hasil belajar mereka. Hasil validasi materi dan validasi media masuk dalam kriteria sangat baik, dengan skor rata-rata sebesar 4,37 dan 4,375. Berdasarkan hasil uji coba terbatas dan uji coba lapangan diperoleh persentase total sebesar 96,42% dan 86,76% dengan kriteria sangat layak. Sehingga, dapat disimpulkan bahwa media pembelajaran berbasis moodle untuk materi momentum dan impuls sudah valid dan layak. Berdasarkan hasil analisis data uji wilcoxon didapatkan bahwa terdapat peningkatan pada hasil belajar peserta didik.Kata Kunci: Pengembangan Media Pembelajaran; Moodle; Momentum dan ImpulsDevelopment of Moodle-Based Learning Media for Momentum and Impulse in Class X SMAABSTRACTProduce Moodle-based learning media that are feasible and identifying whether there is an increase in student learning outcomes after using Moodle-based learning media were the goal of this study. To realize the research objectives, research and development (R&D) methods are used. The development model used was ADDIE, which have 5 stages, namely analysis, design, development, implementation, and evaluation. The instrument used for evaluating appropriateness of product was validation sheet and student response questionnaire. The research data were analyzed by using the quantitative descriptive analysis techniques. The students were given a pretest and posttest questions as many as 15 multiple choice questions, to see if there is an improvement in their learning outcomes. The results of the material validation and media validation were included in the very good criteria, with an average score of 4.37 and 4.375. Based on the results of limited trials and field trials, the total percentages were 96.42% and 86.76% with very feasible criteria. So, it can be concluded that the Moodle-based learning media for momentum and impulse materials is valid and feasible. Based on the results of the Wilcoxon test data analysis, it was found that there was an increase in student learning outcomes.
Hubungan Kemampuan Spasial Matematis dengan Minat Belajar Siswa pada Materi Geometri Donna Anissa; Citra Utami; Rika Wahyuni
Variabel Vol 5, No 2 (2022): OCTOBER 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v5i2.1933

Abstract

Tujuan penelitian ini adalah untuk mengetahui hubungan kemampuan spasial matematis dengan minat belajar siswa dalam belajar materi geometri. Metode penelitian ini merupakan penelitian korelasi dan ex post facto dengan pendekatan kuantitatif. Populasi dalam penelitian ini adalah seluruh siswa kelas VIII SMP Negeri 4 Singkawang. Teknik pengambilan sampel dalam penelitian ini adalah purposive sampling. Sampel dalam penelitian ini adalah siswa kelas VIII H yang berjumlah 26 siswa. Teknik pengumpulan data dalam penelitian ini berdasarkan teknik pengukuran dan teknik komunikasi tidak langsung, yaitu menggunakan tes kemampuan spasial matematis pada materi geometri yang berbentuk uraian dan angket minat belajar. Teknik analisis data yang digunakan adalah Korelasi Pearson Product Momen (PPM). Hasil penelitian menunjukkan bahwa (1) tingkat kemampuan spasial matematis pada materi geometri tergolong tinggi dengan nilai rata-rata keseluruhan 60, (2) minat belajar siswa pada materi geometri tergolong tinggi dengan nilai rata-rata keseluruhan 82, (3) terdapat hubungan kemampuan spasial matematis dengan minat belajar siswa pada materi geometri dengan kontribusi sebesar 69%. Jadi dapat disimpulkan bahwa terdapat hubungan antara kemampuan spasial matematis dengan minat belajar siswa pada materi geometri.Kata Kunci:Kemampuan Spasial Matematis; Minat Belajar; Geometri The Relationship of Mathematical Spatial Ability with Students' Learning Interest on GeometryABSTRACTThe purpose of this study is to determine the relationship of mathematical spatial ability with students' interest in learning geometry. This research method was a correlation and ex post facto research with a quantitative approach. The population in this study was all grade VIII students of SMP Negeri 4 Singkawang. The sampling technique in this study was purposive sampling. The sample in this study was class VIII H students totaling 26 students. The data collection technique in this study was based on measurement techniques and indirect communication techniques, namely using mathematical spatial ability tests on geometric in the form of descriptions and questionnaires of interest in learning. The data analysis technique used was analysis of the average value and Pearson Product Moment Correlation (PPM). The results showed that (1) the level of mathematical spatial ability in geometry was relatively high with an overall average score of 60, (2) students' interest in learning geometry was relatively high with an overall average score of 82, (3) there was a relationship between mathematical spatial ability and students' interest in learning geometry with a contribution of 69%. So it can be concluded that there was a relationship between mathematical spatial ability and students' interest in learning geometry.
Penyelesaian Persamaan Bentuk Kuadrat Berbantuan Aplikasi Photomath Berdasarkan Sistem Bilangan Real Nadya Febriani Meldi; Ahmad Yani T.; Dede Suratman
Variabel Vol 5, No 2 (2022): OCTOBER 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v5i2.3224

Abstract

Penelitian ini bertujuan mendeskripsikan ketidaksesuaian istilah dalam prosedur pengerjaan matematika materi persamaan kuadrat berdasarkan aplikasi photomath yang disesuaikan dalam objek kajian dalam analisis real. Ketidaksesuaian yang dimaksud adalah prosedur pengerjaan yang kurang lengkap serta beberapa penamaan yang tidak dikenal dalam matematika. Penelitian ini merupakan penelitian kualitatif dengan metode deskriptif. Deskriptif dilakukan untuk mengungkap temuan ketidaksesuaian dari prosedur pengerjaan persamaan bentuk kuadrat yang dianalisis dari langkah pengerjaan yang tersaji pada aplikasi photomath. Langkah penyelesaian pada aplikasi photomath merupakan objek kajian serta aksioma lapangan yang menjadi dasar utama dalam proses kajian. Teknik analisis yang digunakan adalah tematik analisis. Hasil penelitian menunjukkan bahwa telah diperoleh empat langkah penyelesaian yang tidak bersesuaian pada disiplin ilmu matematika dalam menyelesaikan persamaan kuadrat pada aplikasi photomath, yaitu “keluarkan faktor”, “pindahkan satu suku ke ruas lainnya dan ubahlah tandanya (pindah ruas)”, ”hasil kali faktor-faktor adalah nol, setidaknya salah satu faktor adalah nol”, “bagi kedua ruas dengan suatu bilangan”.Kata Kunci: Penyelesaian Persamaan Bentuk Kuadrat; Aplikasi Photomath; Sistem Bilangan Real Solving Quadratic Shape Equations Assisted Photomath Application Based on Real Number SystemsABSTRACTThis study aims to describe the discrepancy of terms in the procedure for mathematical work of quadratic equation material based on the application of photomath adjusted in the object of study in real analysis. The discrepancies in question are incomplete workmanship procedures as well as some unknown naming in mathematics. This research was a qualitative research with a descriptive method. Descriptive is carried out to reveal findings of discrepancies from the procedure for working on quadratic shape equations analyzed from the work steps presented in the photomath application. The completion step in the photomath application was the object of study and the field axiom that was the main basis in the study process. The analysis technique used was thematic analysis. The results showed that four non-conforming solution steps have been obtained in the mathematical discipline in solving quadratic equations in the photomath application, namely "issue a factor", "move one tribe to another and change the sign (moving segments)", "the product of factors is zero, at least one of the factors is zero", "divide both fields by a number".
Pengembangan Modul Fisika Sekolah Menengah Atas (SMA) Berbasis Scientific Approach dengan Aplikasi Spreadsheet Excel Ahmad Fauzi
Variabel Vol 5, No 2 (2022): OCTOBER 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v5i2.3770

Abstract

Penelitian ini bertujuan untuk mengembangkan modul Fisika SMA (Sekolah Menengah Atas) berbasis Scientific Approach dengan aplikasi Spreadsheet Excel. Penelitian ini termasuk penelitian pengembangan (Research and Devolepment) menggunakan desain penelitian yang dikembangkan Sukmadinata. Penelitian ini dilaksanakan di SMAN 1 Surakarta. Subjek penelitian ini adalah siswa SMA kelas XII tahun ajaran 2020/2021. Materi pembelajaran Fisika yang dikaji dalam pengembangan modul ini adalah gerak parabola. Penelitian diawali dengan analisis kebutuhan kemudian dilanjutkan dengan pengembangan modul. Sebelum modul diujicobakan di lapangan, modul divalidasi ahli dan dinilai guru pada aspek materi, tampilan modul, dan bahasa. Setelah itu, modul diujicobakan kepada siswa melalui tiga tahap, yaitu uji coba one on one, uji coba kelompok kecil, dan uji coba kelompok besar. Data-data yang dikumpulkan bersifat kualitatif didukung data-data kuantitatif. Data dikumpulkan melalui teknik wawancara dan angket terhadap guru dan siswa. Data yang diperoleh dianalisis menggunakan teknik analisis deskriptif. Hasil validasi ahli menunjukkan bahwa modul masuk kriteria sangat baik. Hasil penilaian guru menunjukkan bahwa modul yang dikembangkan masuk kriteria sangat baik. Hasil uji coba modul ke siswa secara langsung dengan teknik one on one, kelompok kecil, dan kelompok besar menunjukkan bahwa modul yang dikembangkan masuk kriteria sangat baik. Berdasarkan hasil validasi dan uji coba dapat disimpulkan bahwa penelitian ini berhasil mengembangkan modul Fisika SMA (Sekolah Menengah Atas) berbasis Scientific Approach dengan aplikasi Spreadsheet Excel dengan kriteria sangat baik.Kata Kunci: Modul; Pendekatan Sains; Spreadsheet ExcelDevelopment of Senior High School Physics Module Based on Scientific Approach with Spreadsheet Excel ApplicationABSTRACTThis research aims to develop a physics module for SMA (Senior High School) based on the scientific approach with an Excel Spreadsheet application. This research included research and development using a research design developed by Sukmadinata. This research was conducted at SMAN 1 Surakarta. The subjects of this study were high school students of class XII for the academic year 2020/2021. The physics learning studied in the development of this module was parabolic motion. The research began with a needs analysis and then continues with the development of modules. Before the module was tested in the field, the module was validated by experts and assessed by the teacher on aspects of material, module appearance, and language. After that, the module was tested on students through three stages, namely one on one trial, small group trial, and large group trial. The data collected was qualitative and supported by quantitative data. Data were collected through interview techniques and questionnaires to teachers and students. The data obtained were analyzed using descriptive analysis techniques. The results of expert validation showed that the module had very good criteria. The results of the teacher's assessment showed that the developed module met the criteria very good. The results of testing the module to students directly with the one on one technique, small groups, and large groups indicate that the developed module met the criteria very good. Based on the results of the validation and testing, it could be concluded that this study succeeded in developing the Physics module for SMA (Senior High School) based on the Scientific Approach with the Excel Spreadsheet application with very good criteria.