51 research outputs found

    Genetic Material Upgrading: Misconception Identification Study in High School Biology Teachers

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    This study aims to identify and map patterns of genetic misconceptions in high school biology teachers. This research was conducted in several stages, including the development of diagnostic test instrument with Certainty of Response Index (CRI). The instrument used in measuring misconceptions in this study is a three-tier test diagnostic instrument. There are 20 questions covering Basic Competencies 3.3, 3.5, 3.6, 3.7, and 3.8. The cognitive level of the questions covers C2 to C5 in Bloom Taxonomy. The validator's assessment shows that the instrument is suitable for data collection. The results of data collection indicate that the topics identified as having misconceptions among high school teachers are quite high (above 50%), among others: (1) The relationship between DNA, genes, and chromosomes; (2) Chromosome structure of eukaryotic cells; (3) The process of protein synthesis (transcription, translation, and genetic code); (4) Mendel Law 1; (5) Mendel Law 2; (6) Crossing-Over, Sex-Linkage, and Non-Disjunction; and (7) Causes of Mutations. Apart from misconception data, this study also reveals the experiences of teachers in conducting Biology teaching and learning activities, especially related to Genetics in high school

    Development of Practical Guidance based on Research to Improve Science Process Skills and Learning Outcome in Biology Education Students

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    Efforts to improve students' understanding of science process skills in learning the Animal Development Structure subject are developing a research-based Practicum Manual for the Animal Development Structure course. The purpose of this research is to develop a research-based Practicum Manual for Animal Development Structure courses that are suitable for use as a learning resource and experiment in the Animal Development Structure course. The development of laboratory engineering modules uses the ADDIE development model (Analyze, Design, Development, Implementation, Evaluation). This research is a development research and uses questionnaire and test instruments. The data were analyzed descriptively qualitatively and the results were analyzed using the Gain normality test. Experts in developing teaching materials and materials assess that the lecture modules developed are of good qualifications and are suitable for use. The trial results on a limited scale as well as the lecture module field tests are in good qualifications

    PENGEMBANGAN COLLABORATIVE PROBLEM SOLVING INVENTORY (CPSI) BERBASIS WEB UNTUK MENGUKUR KETERAMPILAN KOLABORASI DALAM PEMECAHAN MASALAH SISWA

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    Abstrak. Collaborative Problem Solving (CPS) adalah salah satu keterampilan penting abad ke-21. Keterampilan ini juga merupakan keterampilan yang harus ditanamkan pada siswa dalam pembelajaran. Pengukuran CPS dapat dilakukan dengan menggunakan instrument berupa inventory. Dalam penelitian ini, dikembangkan Collaborative Problem Solving Inventory (CPSI) berbasis web dengan metode pengembangan Learning Development Cycle (LDC). CPSI yang dikembangkan oleh penyusun merupakan pengukuran terhadap Collaborative Problem Solving yang inovatif, menekankan pada pengukuran sebelum, selama dan sesudah kegiatan pembelajaran Collaborative Problem Solving dilakukan. Tahapan penelitian ini meliputi: (1) Observasi, Survei dan Analisis Kebutuhan; (2) Focus Group Discussion; (3) Penyusunan Desain CPSI; (4) Pengembangan CPSI Berbasis Web melalui Model Pengembangan LDC; (5) Validasi CPSI oleh ahli pengembang bahan ajar (kelayakan) dan guru (kepraktisan); dan (6) Analisis Data. Berdasarkan hasil penelitian didapatkan instrumen CPSI berbasis web dengan indikator penilaian keterampilan kolaborasi yang telah divalidasi oleh ahli dan praktisi. Hasil validasi menunjukkan bahwa instrumen layak digunakan dengan perbaikan kecil (validitas 3,75 oleh ahli media; validitas 3,78 oleh ahli evaluasi; dan rerata 3,65 oleh praktisi). Tindak lanjut penelitian dapat dilakukan dengan mengujicobakan instrumen dalam situasi pembelajaran di kelas, dengan terlebih dahulu melakukan perbaikan terkait kemenarikan tampilan dan desain website.Abstract. Collaborative Problem Solving (CPS) is one of the essential skills of the 21st century. This skill is also must be instilled in students in learning process. CPS can be gauged by using an instrument in the form of inventory. In this study, a web-based Collaborative Problem Solving Inventory (CPSI) was developed with the Learning Development Cycle (LDC) development method. The CPSI developed by the authors is a measurement of innovative Collaborative Problem Solving, emphasizing on measurements before, during and after Collaborative Problem Solving learning activities are carried out. The stages of this research include: (1) Observation, Survey and Needs Analysis; (2) Focus Group Discussion; (3) Preparation of CPSI Design; (4) Development of Web-Based CPSI through LDC Development Model; (5) CPSI validation by experts in developing teaching materials (feasibility) and teachers (practical); and (6) Data Analysis. Based on the results of the study, it was obtained that the CPSI instrument was web-based with indicators for assessing collaboration skills that had been validated by experts and practitioners. The validation results showed that the instrument is feasible to use with minor improvements (validity 3.75 by media experts; validity 3.78 by evaluation experts; and mean 3.65 by practitioners). Follow-up research can be done by testing the instrument in a classroom learning situation, by first making improvements related to the attractiveness of the appearance and website design

    The legal understanding of restaurant entrepreneurs on halal certification after the enactment Omnibus Law and Government Regulation No. 39 of 2021: Study in Lowokwaru District, Malang City

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    ABSTRACT Islam regulates the command to work and consume halal food and tayyib. It is important for restaurant entrepreneurs to pay attention halal nature of their food. However, still many restaurants haven’t certified halal. Whereas halal certification is an obligation (mandatory) as protection and certainty consumer law. Halal certification is regulated in Law No. 11 of 2020 concerning Job Creation (Omnibus Law) and PP No. 39 of 2021 concerning the Implementation of Halal Product Assurance. This study aimed to know the legal understanding of restaurant entrepreneurs on halal certification and to determine the legal consequences of entrepreneurs who haven’t halal certification perspective Omnibus Law and BPJPH. This research method used juridical-empirical. The results of this study showed that the legal understanding of restaurant entrepreneurs in Lowokwaru District, Malang City on the obligation of halal certification was less understood. They haven’t understood the provisions of free of charge (Self Declare) according to article 4A of Job Creation Law and the period of termination according to article 139-140 PP No. 39 of 2021. Entrepreneurs who haven’t been certified halal will get social consequences excluded from business actors who have been certified halal. So far no one article regulated the legal consequence. Administrative sanctions of written reprimand in advance become a possible alternative conducted by the Halal Product Assurance Agency (BPJPH) so that restaurant entrepreneurs immediately take care of halal certification. ABSTRAK Islam mengatur perintah mencari rezeki dan mengonsumsi makanan halal nan thayyib (baik). Penting bagi pelaku usaha rumah makan memperhatikan kehalalan makanannya. Namun, masih banyak rumah makan yang belum bersertifikasi halal. Padahal sertifikasi halal merupakan suatu kewajiban sebagai perlindungan dan kepastian hukum konsumen. Kewajiban sertifikasi halal dimuat dalam Undang-undang No. 11 Tahun 2020 tentang Cipta Kerja dan PP No. 39 Tahun 2021 tentang Penyelenggaraan Bidang Jaminan Produk Halal. Tujuan penelitian ini untuk mengetahui pemahaman hukum hukum pelaku usaha rumah makan terhadap kewajiban sertifikasi halal dan mengetahui konsekuensi hukum pelaku usaha yang tidak memiliki sertifikasi halal perspektif UU Cipta Kerja dan BPJPH. Metode penelitian ini adalah yuridis-empiris. Hasil penelitian menunjukkan pemahaman hukum pelaku usaha rumah makan di Lowokwaru, Kota Malang terhadap kewajiban sertifikasi halal kurang paham. Mereka belum memahami ketentuan kemudahan bebas biaya (Self Declare) menurut pasal 4A UU Cipta Kerja dan jangka waktu penahapan menurut pasal 139-140 PP No. 39 Tahun 2021. Terhadap pelaku usaha yang belum bersertifikasi halal, akan mendapat konsekuensi sosial tersisih oleh pelaku usaha yang telah memiliki sertifikasi halal. Konsekuensi hukumnya sampai saat ini belum ada pasal yang mengaturnya. Sanksi administratif teguran tertulis terlebih dahulu menjadi alternatif yang dapat dilakukan BPJPH agar pelaku usaha rumah makan segera mengurus sertifikasi halal. مستخلص البحث ينظم الإسلام أمر طلب الرزق واستهلاك الطعام الحلال و الطيب. من المهم لممثلي الأعمال في المطاعم الانتباه إلى حلال طعامهم. ومع ذلك ، لا يزال هناك العديد من المطاعم غير شهادة الحلال. أن شهادة الحلال هي التزام لحماية المستهلك واليقين القانوني. الإلتزام بشهادة الحلال وارد في القانون رقم ١١ عام ٢٠٢٠ بشأن خلق فرص العمل و اللوائح الحكومية رقم ٣٩ عام ٢٠٢١ بشأن تنفيذ قطاع ضمان المنتجات الحلال. الغرض من هذه الدراسة هو معرفة الفهم القانوني للجهات الفاعلة في مجال المطاعم تجاه الإلتزام بشهادة الحلال ومعرفة العواقب القانونية للفاعلين التجاريين الذين ليس لديهم شهادة حلال بعد التصديق على اللائحة. المنهج البحث في هذا البحث الجامعي هي قانونية - تجريبية. تظهر نتائج الدراسة أن الفهم القانوني للجهات الفاعلة في مجال المطاعم في لوووكوارو ، مدينة مالانج بشأن الإلتزام بشهادة الحلال لم تكن واضحًا. بإنهم لا يفهمون توفير الراحة المجانية(Self Declare) وفقًا للمادة ٤A من قانون خلق فرص العمل وفترة التنفيذ وفقًا للمو ١٣٩ - ١٤٠ اللوائح الحكومية رقم ٣٩ عام ٢٠٢١. سيكون للفاعلين التجاريين الذين لم يتم اعتمادهم شهادة الحلال، عواقب اجتماعية تتمثل في استبعادهم من الجهات التجارية التي لديها شهادة الحلال. لا تزال العواقب القانونية ممكنة لأنه لا توجد مادة تنظم ذلك. العقوبة الإدارية للتحذير الكتابي مقدمًا يمكن تنفيذه بواسطة BPJPH بحيث يهتم ممثلو المطاعم على الفور بشهادة الحلال

    Evo & Lusi: A Novel to Increase Motivation to Learn Evolution

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    This study aims to determine the feasibility of evolution learning novels as an alternative learning resource in high school biology learning and to determine the effectiveness of evolution learning novels in increasing learning motivation in students. The research method used is Research and Development (RD). The type of research and development used is the ADDIE model (Analyze, Design, Develop, Implement and Evaluate). The implementation stage is carried out with a pre-experimental design type one-group pretest and post design. The validation results that have been carried out, the product developed has an average validation percentage of 82.5%, which is very valid. The percentage of validation is obtained from the validation results by learning novel development experts and evolutionary material experts, but with various revisions that need to be made, the majority of which lie in writing errors and laying the concept of evolution. The products produced increased student learning motivation when tested on a limited basis at SMA N 1 Bandar Batang Regency. The initial motivation level of SMA N 1 Bandar Batang Regency students is included in the excellent category with a percentage of 59.17%. After being given a novel to read, the student motivation level increase to 79.86% or in high criteria. The results obtained, the product produced as an evolution learning novel is included in the category of feasible and quite effectiv

    The Effectiveness of the SAVI Learning Model in Improving Students’ Metacognitive and Critical Thinking Skills in MAN Kota Magelang

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    This study aims to determine the effectiveness of the SAVI (Somatic, Auditory, Visualization, and Intellectual) learning model on students' metacognitive and critical thinking skills. The SAVI model has four stages: preparation, delivery, training, and results display. The researchers chose imagery and metaphor to convey material about the circulatory system in humans. This research is a quasi-experimental study with the Nonequivalent Control Group Design. The SAVI model is applied to the experimental class. Data collection was carried out by pretest and posttest to assess the improvement of these two skills. The test used is the independent sample t-test and normalized gain. The results showed significant differences in improving metacognitive and critical thinking skills between students in the experimental and control classes (0.00 <0.05). The SAVI model is also quite effective in improving these two skills, with an N-Gain of 51.58% and 62.41%, respectively.ABSTRAK: Penelitian ini bertujuan untuk mengetahui efektivitas model pembelajaran SAVI (Somatic, Auditory, Visualization, and Intellectual) terhadap keterampilan metakognitif dan berpikir kritis peserta didik. Model SAVI memiliki empat tahapan yaitu persiapan, penyampaian, pelatihan dan penampilan hasil. Peneliti memilih imagery dan metafora sebagai alat bantu penyampaian materi sistem sirkulasi pada manusia. Penelitian ini merupakan penelitian quasi eksperimen dengan desain Noenequivalent Control Group Design. Model SAVI diterapkan pada kelas eksperimen. Pengumpulan data dilakukan dengan pre-test dan post-test untuk menilai peningkatan dua keterampilan tersebut. Uji yang digunakan adalah uji independent sample t-test dan normalized gain. Hasil penelitian menunjukkan adanya perbedaan signifikan dalam peningkatan keterampilan metakognitif dan berpikir kritis antara peserta didik kelas eksperimen dengan kelas kontrol (0.00 < 0.05). Model SAVI juga cukup efektif untuk meningkatkan dua keterampilan tersebut dengan N-Gain masing-masing sebesar 51.58% dan 62.41%

    AKTIVITAS ANTIBAKTERI EKSTRAK TIRAM PUTIH (Pleurotus ostreatus) TERHADAP Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, dan Bacillus cereus

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    Penyakit infeksi adalah penyakit yang di sebabkan oleh mikroorganisme patogen seperti bakteri, virus, jamur dan parasit. Penyakit infeksi menyebabkan kematian tertinggi di Indonesia, maka perlu dilakukan peneletian untuk menemukan antibmikroba salah satunya adalah dari jamur tiram putih Ppleurotus ostreatus) tujuan dari penelitian ini adalah untuk mengetahui aktivitas antibakteri  dari ekstrak jamur tiram putih (Pleurotus ostreatus) terhadap bakteri pathogen Bacillus cereus, Escherichia coli, Pseudomonas aeruginosa, dan Staphylococcus aureus. Penelitian ini diawali dengan proses ekstraksi menggunakan metode maserasi menggunakan pelarut etanol 96%, kemudian dilakukan pengujian antibakteri dengan menggunakan metode mikrodilusi untuk menentukan nilai Konsentrasi Hambat minimum (KHM) dan Konsentrasi Bunuh Minimum (KBM). Hasil pengujian menunjukkan bahwa ekstrak jamur tiram putih (Pleurotus ostreatus) memiliki aktivitas sebagai antibakteri terhadap Escherichia coli, Pseudomonas aeruginosa, dan Bacillus cereus dengan nilai KHM 512 µg/mL, sedangkan terhadap Staphylococcus aureus memiliki nilai KHM 256 µg/mL

    Analisis dan Perancangan Sistem Pengenalan dan Konversi mata Uang ASing Terhadap Rupiah Menggunakan Metode Klasifikasi Support Vector machine

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    ABSTRAKSI: Automasi sistem yang dapat memudahkan dan membantu pekerjaan telah dipakai di segala jenis aspek kehidupan manusia. Fasilitas kenyamanan dan kemudahan inilah yang sedang dicoba dibuat sebagai salah satu fasilitas di dunia pariwisata. Indonesia yang kaya akan kebudayaan dan sumber daya alam telah menarik banyak wisatawan mancanegara untuk datang ke Indonesia. Sistem ini dibuat untuk memudahkan para wisatawan asing tersebut menukarkan mata uang asing yang dimilikinya dengan mata uang rupiah. Dengan adanya kemudahan ini diharapkan semakin banyak wisatawan asing yang datang ke Indonesia sehingga dapat menambah penghasilan bagi penduduk sekitar, pendapatan daerah, dan pendapatan negara.Sistem pengenalan uang kertas asing ini dibuat dengan berdasarkan teori pengolahan citra digital. Sistem mengambil gambar dari uang kertas yang akan dikenali, melalui proses pre-processing,ekstraksi ciri, dan klasifikasi sehingga sistem dapat mengenali asal negara dan nominal dari uang tersebut. Metode ekstraksi ciri yang digunakan adalah GLCM dan PCA, sedangkan metode klasifikasi yang digunakan adalah metode SVM. Setelah itu sistem akan mengambil kurs asing dari webpage Bank Indonesia melalui sambungan internet. Perancangan sistem ini menggunakan perangkat lunak MATLAB R2011b. Pada penelitian ini hanya dibuat aplikasi saja dan tidak sampai dibuat perangkat kerasnya.Performansi sistem terbaik yang didapatkan untuk mengenali negara dan nominal pada sistem ini didapatkan sebesar 96% pada 100 data uji dan 20 data latih secara offline menggunakan metode ekstraksi ciri PCA dengan 20 PC dan metode klasifikasi SVM OAO dengan nilai C=5 dan jenis kernel linear. Sedangkan pada saat online atau realtime, akurasi terbaik yang didapat adalah 77,61% dengan 200 data uji dan 20 data latih pada tempat dengan intensitas cahaya yang cukup. Performansi ini adalah nilai akurasi sistem dalam mengenali uang. Dengan ini, maka dapat disimpulkan sistem pengenalan uang asing menggunakan metode klasifikasi SVM dapat bekerja dengan baik.Kata Kunci : uang asing, Support Vector Machhine, kurs, rupiahABSTRACT: Automation system that can facilitate and assist the work has been used in all kinds of aspects of human life. These ease and convenience which is being attempted by making this system as one of the facilities in tourism field. Indonesia is rich in culture and natural resources has attracted many foreign tourists to come to Indonesia. The system was created to make it easier for foreign travelers to exchange their foreign currency to rupiah currency. With this ease, it is expected that a growing number of foreign tourists coming to Indonesia could increase the income of the local people, local revenues and state revenues.The system is made using digital image processing theory. System would capture the picture of the money then system will recognize the money by pre-processing, feature extraction, and classification processes so that the system could identify the nominal and the nation. The system use GLCM dan PCA as feature extraction and SVM as classification method. System would download kurs from Bank Indonesia webpage by internet connection. The design of system is created in MATLAB R2011b. This research creates the applications only, as a brain of the system.The performance of system is measured by the accuracy. The best accuracy from the system is 96% from 100 testing data and 20 training data when using PCA feature extraction methode with 20 PC and SVM OAO classification method with C=5 and kernel linear at offline condition. In online or realtime condition, the best accuracy achieved is 77,61% in the place with adequate light intensity with 200 test data and 20 training data. This means that the identification of foreign money system using SVM classification methode, could work well.Keyword: foreign currency, Support Vector Machine, currency, rupia

    Online Application of Science Practicum Video Based on Local Wisdom to Improve Student's Science Literacy

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    During the Covid-19 pandemic, all learning activities were carried out online, including practicum activities. To find out the success of practicum activities carried out online, this research was carried out. This study aims to develop a practicum learning video based on local wisdom to improve the scientific literacy of prospective elementary school teacher students. The development of learning videos based on local wisdom is a product produced by students while participating in online practicum activities. This research was conducted with a quasi-experimental method. The research subjects used were 20 fifth semester elementary school teacher education students who were selected by convenience sampling. The instrument developed in the form of multiplechoice questions as many as 20 questions that have been tested for validation and reliability and used for pretest and posttest. Data from students' pretest and posttest results were processed by stacking Rasch model analysis to determine changes in students' scientific literacy skills before and after participating in online practicum with videos based on local wisdom. Based on the results of the student's pretest and posttest analysis, data obtained from the logit value change from 1.2 to 3.2 and categorization was carried out based on the increase in scientific literacy skills, namely 20% low category, 65% moderate, and 15% high. Based on these results, online practicums with local wisdom-based learning videos are able to explore students' scientific literacy skills and can be applied to other practicums. In addition, students' technological literacy skills are also trainedPenelitian ini bertujuan mengembangkan video pembelajaran praktikum berbasis kearifan lokal untuk meningkatkan literasi sains mahasiswa calon guru sekolah dasar. Pengembangan video pembelajaran berbasis kearifan lokal ini adalah produk yang dihasilkan oleh mahasiswa selama mengikuti kegiatan praktikum secara online. Penelitian ini dilakukan dengan metode kuasi eksperimen. Subjek penelitian yang digunakan adalah 20 mahasiswa pendidikan guru sekolah dasar (PGSD) semester lima yang dipilih secara Convenience sampling. Instrumen yang dikembangkan berupa soal pilihan ganda sebanyak 20 soal yang sudah diuji validasi dan relibilitasnya dan digunakan untuk pretest dan postest. Data hasil pretest dan postest mahasiswa diolah dengan analisis stacking model rasch untuk mengetahui perubahan kemampuan literasi sains mahasiswa sebelum dan sesudah mengikuti praktikum online dengan video berbasis kearifan lokal. Berdasarkan hasil analisis pretes dan postest mahasiswa diperoleh data perubahan nilai logit dari 1,2 menjadi 3,2 dan dilakukan kategorisasi berdasarkan peningkatan kemampuan literasi sains yaitu 20% kategori rendah, 65% sedang, dan 15% tinggi. Berdasarkan hasil tersebut praktikum daring dengan video pemmbelajaran berbasis kearifan lokal mampu menggali kemampuan literasi sains mahasiswa dan dapat diterapkan untuk praktikum lainnya. Selain itu kemapuan literasi teknologi mahasiswa juga terlatih

    ANTIFUNGAL ACTIVITY OF EXTRACT AND FRACTION OF AURICULARIA AURICULAR ON CANDIDA ALBICANS, MICROSPORUM GYPSEUM, AND ASPERGILLUS FLAVUS

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    Objective: Indonesia with high humidity and rainfall strongly supports the growth of fungi. The incidence of fungal infections has increased dramatically over the past three decades. Several factors including microbiological resistance led to the failure of antifungal therapy. This research was to evaluate the antifungal activity of extract and fraction of Auricularia auricula against the test fungus.Methods: Antifungal activity was performed by microdilution method using extract and n-hexane fraction, ethyl acetate fraction, methanol, and water fraction of A. auricula. MIC was determined by observing the turbidity compared with the control solution. Minimum fungicidal concentration (MFC) was determined by the presence of fungi colonies growth on medium after incubation for 24 h.Results: The fractions of A. auricular have antifungal activity against Candida albicans, with MIC 512 μg/ml and MFC 512 μg/ml; Microsporum gypseum with MIC 256 μg/ml in the extract; MIC 512 μg/ml and MFC 512 μg/ml of ethyl acetate fraction; MIC 256 μg/ml and MFC 512 μg/ml in n-hexane fraction; and Aspergillus flavus with MIC 2048 μg/ml and MFC 2048 μg/ml in the extract and ethyl acetate fraction. The most potent activity on C. albicans was exhibited by ethyl acetate fraction with MIC and MFC 512 μg/ml. Scanning electron microscopy showed changes in the structure of fungi cells after contact with the test solution.Conclusion: The best antifungal activity of A. auricula was ethyl acetate fraction against C. albicans
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