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Wawan Gunawan Wawan Gunawan
Sekolah Ilmu Dan Teknologi Hayati, Institut Teknologi Bandung Jl. Ganesa No. 10, Bandung 40132, Indonesia
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PENGARUH METODE DISCOVERY LEARNING BERBASIS ANIMASI DAN GAYA BELAJAR TERHADAP PEMAHAMAN KONVERSI SATUAN PANJANG PADA SISWA KELAS IV SD NEGERI SUMBERJO 2 JOMBANG Zuli Miftahul Anam; Wawan Gunawan; Suhari
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 Nomor 02, Juni 2026 Published
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.45163

Abstract

This study aims to analyze the effect of animation-based Discovery Learning method and learning styles on the understanding of length unit conversion in fourth-grade students of SD Negeri Sumberjo 2 Jombang. The study used a quantitative approach with a 2 × 3 factorial design, involving two independent variables, namely learning methods (animation-based Discovery Learning and animation-based lecture method) and learning styles (visual, audio, and kinesthetic), and one dependent variable in the form of understanding of length unit conversion. The population and sample of the study amounted to 120 students taken using a random sampling technique. Data collection was carried out through an understanding test and a learning style questionnaire. Data were analyzed using a two-way ANOVA test after fulfilling the prerequisite tests for normality and homogeneity. The results showed that the data were normally distributed and homogeneous. A two-way ANOVA analysis showed that the animation-based Discovery Learning method significantly influenced the understanding of length unit conversion (F = 89.333; Sig. = 0.000), learning style significantly influenced the understanding of length unit conversion (F = 5.942; Sig. = 0.004), and there was a significant interaction effect between the learning method and learning style (F = 5.404; Sig. = 0.006). The coefficient of determination (R²) value of 0.477 indicates that 47.7% of the variation in understanding of length unit conversion was explained by the learning method and learning style. These findings indicate that animation-based Discovery Learning is more effective than the lecture method, especially when adapted to students' learning styles. Therefore, selecting adaptive learning methods and considering students' learning style characteristics is crucial to improving the understanding of mathematical concepts in elementary schools.
ANALISIS BUTIR SOAL PILIHAN GANDA MATERI NILAI-NILAI KRISTIANI MENJADI PEGANGAN HIDUPKU UNTUK KELAS VII SMP NEGERI 1 NABIRE Marzel Joska Hitipeuw; Alfrida Balisa; Yonece Delila Mara; Wawan Gunawan
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 Nomor 02, Juni 2026 Published
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.45174

Abstract

Learning evaluation plays a strategic role in measuring the achievement of educational objectives and serves as a basis for improving the learning process. In the context of Christian Religious Education, evaluation focuses not only on cognitive aspects but also on the internalization of Christian values ​​as a guide to life, thus requiring high-quality and tested instruments. This study aims to analyze the quality of multiple-choice questions on the topic "Christian Values ​​as My Lifeline" for seventh-grade students at SMP Negeri 1 Nabire, in terms of validity, discriminating power, and difficulty level. This study used a quantitative approach with a descriptive-evaluative approach. The subjects were seventh-grade students selected using purposive sampling. The instrument consisted of 25 multiple-choice questions with five answer alternatives. Data collection was conducted through a learning achievement test, while data analysis included validity testing using product-moment correlation, discriminating power analysis, and difficulty level analysis. The results showed that most of the items were of fairly good quality. A total of 15 items were declared valid and 10 were invalid, indicating that the instrument adequately represented the learning indicators, although some still needed improvement. The discriminatory power of the items was in the fair to good category, with a small number of items not being able to optimally differentiate student abilities. The difficulty level was predominantly in the moderate and easy categories, indicating a relatively balanced distribution of item difficulty and appropriateness for learning evaluation. These findings contribute to the development of more effective evaluation instruments, particularly for values-based learning. The study's conclusions indicate that the test instrument is of suitable quality for use in learning evaluation, but requires revision to items that are invalid and have low discriminatory power. This study recommends the importance of ongoing item analysis to improve evaluation quality and encourages further research that integrates reliability analysis and a more comprehensive measurement approach.
ANALISIS BUTIR SOAL PILIHAN GANDA DENGAN MATERINYA TENTANG SUMBER DAYA ALAM KELAS IV SD NEGERI INPRES KOTA BARU NABIRE Alfrida Balisa; Marzel Joska Hitipeuw; Yonece Delila Mara; Wawan Gunawan
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 Nomor 02, Juni 2026 Published
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.45177

Abstract

Improving the quality of basic education requires evaluation instruments capable of objectively and accurately measuring learning outcomes. However, in practice, the quality of multiple-choice questions in elementary schools still does not fully meet the criteria for good evaluation, requiring an in-depth analysis of the questions used. This study aims to analyze the quality of multiple-choice questions on natural resources for fourth-grade students at SD Negeri Inpres Kota Baru Nabire by examining validity, reliability, discriminatory power, and difficulty levels. The method used was a quantitative approach with a descriptive evaluative approach, involving fourth-grade students as research subjects. Data collection techniques included tests and data analysis using the Anates application. The results showed that all questions were valid with correlation coefficients above r table. The instrument's reliability was in the good category with a Cronbach's Alpha value of 0.731. Most questions had sufficient to good discriminatory power, and the difficulty level was in the easy and medium categories, indicating a balanced distribution. These findings provide an important contribution to the development of higher-quality learning evaluation instruments based on empirical data. The study's conclusions indicate that the test instrument is suitable for use with some improvements to items with low discriminating power. It also recommends developing items based on Higher Order Thinking Skills and further analyzing the effectiveness of distractors to improve the quality of future learning evaluations.
ANALISIS BUTIR SOAL MULTIPLE CHOICE MATA PELAJARAN MATEMATIKA MATERI MENGHITUNG BANGUN DATAR UNTUK KELAS 3 SD NEGERI INPRES KOTABARU DI NABIRE Yonece Delila Mara; Marzel Joska Hitipeuw; Alfrida Balisa; Wawan Gunawan
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 Nomor 02, Juni 2026 Published
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.45179

Abstract

This research is motivated by the importance of quality evaluation instruments in elementary school mathematics learning, particularly in calculating plane figures, which demands conceptual accuracy and students' numeracy skills. Instruments that do not meet quality standards have the potential to produce inaccurate measurements, impacting learning decisions. The purpose of this study was to analyze the quality of multiple-choice test items based on validity, reliability, difficulty index, and discriminatory power in third-grade elementary school students. The method used was a quantitative descriptive approach, with third-grade students at SD Negeri Inpres Kotabaru in Nabire as the subjects. Data collection was conducted using an objective multiple-choice test with five answer options. Data analysis used the Pearson Product Moment test for validity, the Cronbach's Alpha coefficient for reliability, and analysis of the difficulty index and discriminatory power to assess item quality. The results showed that all test items were valid because their calculated r values ​​were greater than the table r and significance below 0.05. The instrument also had very high reliability, with a Cronbach's Alpha value of 0.946, indicating strong internal consistency. The difficulty index analysis showed that the majority of questions fell into the moderate category, with a distribution between easy and very easy, supporting diverse student ability levels. The discriminatory power analysis showed that the majority of questions fell into the good and excellent categories, effectively discriminating student abilities. These findings contribute to the development of high-quality, empirically analyzed evaluation instruments in elementary school mathematics learning. The study's conclusions confirm that the developed instrument meets high-quality standards and is suitable for use as a learning evaluation tool. Implications of this study include strengthening data-driven evaluation practices, increasing the accuracy of learning outcome assessments, and developing more systematic instruments. Further research recommendations focus on broader instrument testing and the development of technology-based evaluation models to enhance learning effectiveness.
Optimasi Efisiensi Mesin Corrugator C101: Analisis Root Cause dan FMEA untuk Meminimalisir Shortage Produksi Wawan Gunawan; Sri Mukti Wirawati; Rico
Jurnal Intent: Jurnal Industri dan Teknologi Terpadu Vol. 9 No. 1 (2026): INDUSTRIAL
Publisher : Prodi Teknik Industri, Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/intent.v9i1.4944

Abstract

Production shortages are one of the main problems that impact a company's operational efficiency. This study aims to identify the factors causing production shortages in the carton sheet production process at a paper company, as well as to determine the root causes and prioritize solutions through the Root Cause Analysis (RCA) and Failure Mode and Effect Analysis (FMEA) methods. Data collection was conducted through interviews, observations, and questionnaires with Section Heads and Shift Leaders in the Corrugator C101 area. The RCA results indicate that the main causes come from machine, human, material, and method factors. Furthermore, through the FMEA method, it was found that the cause with the highest Risk Priority Number (RPN) value was shaft wear on shaft 2 with an RPN value of 179.2. The proposed solution was formulated using the 5W + 1H approach as the basis for the improvement plan. This study is expected to be a reference in strategic decision-making to minimize the risk of shortages and increase company productivity.
Rancang Bangun Charger Aki 12 dan 24 Volt Menggunakan Trafo CT 10 A dan Elco 10000 µF Wijaya Wijaya; Erman Al Hakim; Rio Mubarak; Wawan Gunawan
Nian Tana Sikka : Jurnal ilmiah Mahasiswa Vol. 4 No. 4 (2026): Juli: Nian Tana Sikka : Jurnal ilmiah Mahasiswa
Publisher : Fakultas Ekonomi & Bisnis, Universitas Nusa Nipa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59603/niantanasikka.v4i4.1459

Abstract

A battery charger is a device used to recharge a battery so that it can be reused. This study aimed to design and construct a charger with selectable 12 V and 24 V outputs using a 10 A center-tapped transformer, a 10,000 µF/100 V electrolytic capacitor, a 20 A diode, a cooling fan, a switch, a fuse, and a volt-ampere meter. The experimental stages included planning, circuit design, component selection, assembly, and device testing. The transformer reduced the AC voltage, the diode rectified it, and the capacitor filtered the rectified voltage before it reached the output terminals. Tests covered the input voltage, both output modes, and charging under a battery load. The measurement results showed an input voltage of 221 V, a charger output voltage of 13.1 V, and a voltage of 25.69 V at the capacitor section. Measurements conducted during charging and under battery load also produced values of 12.1 V and 1.2 V. These findings show that the device can provide two output levels for basic charging. However, the tests did not yet evaluate current regulation performance, voltage ripple, temperature changes during operation, or the charging cut-off function when the battery was fully charged. Further development should add overcharge protection and automatic charging control.
PROXY WAR DAN KEAMANAN NASIONAL INDONESIA: VICTORIA CONCORDIA CRESCIT PROXY WAR AND INDONESIA’S NATIONAL SECURITY: VICTORY GROWS THROUGH HARMONY Safril Hidayat; Wawan Gunawan
Jurnal Pertahanan dan Bela Negara Vol. 7 No. 1 (2017): Jurnal Pertahanan dan Bela Negara
Publisher : Republic of Indonesia Defense University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33172/jpbh.v7i1.127

Abstract

Abstrak – Perang proxy telah terjadi sejak zaman dahulu sampai dengan saat ini yang dilakukan oleh negara-negara besar menggunakan aktor negara maupun aktor non negara. Kepentingan nasional negara negara besar dalam rangka struggle for power dan power of influence mempengaruhi hubungan internasional. Proxy war memiliki motif dan menggunakan pendekatan hard power dan soft power dalam mencapai tujuannya. Indonesia dalam menghadapi strategi proxy war menjaga keamanan nasionalnya dari upaya disintegrasi dapat dihilangkan sehingga integrasi Negara Kesatuan Republik Indonesia tetap utuh. Dalam menjaga integrasi bangsa tersebut maka Indonesia perlu melakukan kontra proxy. Artikel ini menggunakan pendekatan kualitatif dengan sumber data dari referensi dan literatur yang berhubungan dengan proxy war. Keabsahan dan keterandalan data dilakukan dengan triangulasi referensi. Hasil studi menunjukkan bahwa kontra proxy war dilakukan dengan menjaga Bhinneka Tunggal Ika yang merupakan Opus Dei atas Indonesia, melakukan kebijakan yang tidak materialistik dan untuk kepentingan orang banyak (pro bono), dan menjaga keharmonian Indonesia. Kata Kunci : proxy war, motif perang proksi, keamanan nasional, kontra proxy war.  Abstract – Proxy war has been going on since ancient times until now carried out by the major powers by using state actors or non-state actors. National interests of major countries in the framework of struggle for power and power of influence affecting international relations. Proxy war has motives and approaches of hard power and soft power to achieve its goals. Indonesia in the face of proxy war strategy in order to maintain its national security efforts so that the disintegration can ce eliminated and integration of the Unitary Republic of Indonesia remain intact. In keeping with the integration of the nation, so Indonesia needs to do the counter proxy. This article uses a qualitative approach to the data source of reference and literature related to the proxy war. Validity and reliability of data was done by triangulation reference. The results showed that the counter proxy war can be conducted through maintaining unity in diversity which is Opus Dei on Indonesia, pursue policies that are not materialistic, and for the public good (pro bono), and maintain the harmony of Indonesia. Keywords: proxy war, motives of proxy war, national security, counter proxy war.
Co-Authors Abidin As, Zaenal Achmad Noor Fatirul Ade Saputra Nasution Alfrida Balisa Aminuyati Amrina Rosyada ANDRI KURNIAWAN Angga Maulana Anis Saadah Arif Yachya Asep Darmansyah Atik Rochaeni Atiqoh Bayu Septiansyah Chye Retty Isnendes Cynthia Reidha Purwanty Dadan Kurnia Desti Christian Cahyaningrum Edy Sumarno Erman Al Hakim Feny Rita Fiantika Feri Effendi Fika Nurul Fadilah Hamidah Hamidah Hari Karyono Harky Ristala Harwanto Hasna Nur Islami Hidayat Hidayat Hidayat, Safril Himawan, Herson Cahaya Ida Nuraida Iis Holisin Ilfan Askul Pehala Inkha Hedian Dena Fritiar Islami, Hasna Nur Juhana Juhana jurnalmap map Kevin Andrian Seda Kristian, Indra Marzel Joska Hitipeuw Mega Oktaviawati Mira Ismiyanti Pribadi Mohammad Andi Hakim, Mohammad Andi Mujib Nanik Pujiastuti Nurmida Chaterine Sitompul Nurul Ashyfa Khotima R. Dian Dia-an Muniroh Rahmad Budiman Ramadhani Eka Putra Regina Delviani Putri Rendi Wiranto Rico Rijanti Rahaju Maulani Rika Yulia Putri Rio Mubarak Rosmiati, Mia Rufii Rusmawati, Retno Danu Sabariah Septian MN, Angga Setiawan, Agustina Sri Mukti Wirawati Sudana, Dadang Suhari Suharti Sunardi Sunardi sunardi sunardi Sunyoto Hadi Prayitno Susafaati SUF Syahria, Nukmatus Ulwia Hamsi Warini Wijaya Wijaya Woro Utari Wulandari, Inten Widuri Yani Yani Yasir " Yaya Mulyana A Azis Yonece Delila Mara Yoso Wiyarno Yoyok Dwi Setyo Pambudi Zifana, Mahardhika Zuli Miftahul Anam