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The Effectiveness of Mathematics Learning Using Scientific Approaches Assisted by Powerpoint Media Nika Fetria Trisnawati; Ruslan Hasyim; Mulyono Mulyono; Arie Anang Setyo; M Fathurrahman Fathurrahman
Mathematics Education Journal Vol. 5 No. 1 (2021): Vol. 5 No. 1 (2021)
Publisher : Department of Mathematics Education University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/mej.v5i1.15720

Abstract

This research is a pre-experimental research with one-group pretest-posttest design that aims to determine the effectiveness of statistical learning through the scientific approach assisted by PowerPoint media. The population of this research is the eighth-grade students even semester of 2017/2018 academic year, which consists of 10 classes. The sampling technique is cluster random sampling. Data about the feasibility of learning and student activities were obtained by using an observation sheet, data about students' responses to learning were obtained using a questionnaire sheet, and to find out the learning outcomes of statistical material a learning achievement test was used. Analysis of the data used is descriptive analysis to describe the implementation of learning, student activities, student responses, and student learning outcomes and inferential analysis to test the research hypothesis. The results showed that: (1) the implementation of learning using the Scientific Approach assisted by Powerpoint media for 5 meetings in the excellent category, (2) student activities in the very effective category, (3) students' responses to learning tended to be positive, (4) learning outcomes students achieve mastery learning 87.88%, an average value of 78.58. Thus from the results of the study it can be concluded that Mathematics Learning with the Scientific Approach assisted by Powerpoint media in Sorong City Junior High School Students on statistical material is effective in improving student learning outcomes.
STUDI EKSPERIMEN DAN ANALISA PERPINDAHAN PANAS KONVEKSI PADA SUATU RONGGA DENGAN VARIASI DERAJAT KEVAKUMAN Mulyono Mulyono
Jurnal Gamma Vol. 1 No. 2 (2006): Maret
Publisher : Jurnal Gamma

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

Abstract

In the world of industry, isolation material is often used to maintain the substance temperature in thesituation cold or hot. Besides expensive and thick, the size usage of isolation material is sometimes lookedless practical. To replace the isolation material function is often air cavity by low pressure or vacuum.Making degree of vacuum exist 100 % at air cavity is not easy. Usually there is still air in cavity will cause thehappening of hot transfer of natural convection between both the surface of former cavity. Coefficient ofconvection hot transfer (h) at one cavity of besides influenced by different temperature it also influenced bycavity geometry, orient from cavity and characteristic that had by fluid, for example : pressure, temperature,specific mass, conductivities and viscosities.Problems that arising out in this research is how is the relation coefficient of convection hot transfer(h), number Nusselt (Nu), number of Rayleigh and resistance thermal (R) with the variation of degreevacuum exist at a cavity.Target of this research is to get the relation empirically of convection hot transfer coefficient (h),number Nusselt (Nu), number of Rayleigh and Resistance Thermal (R) with the existence of degree variationof vacuum exists at a cavity. While the benefit in this study is hamper the speed of hot transfer betweensystems with the media in around.
Korelasi Antara Kadar Serum Leptin, Zinc, dan IgE pada Obesitas Mulyono Mulyono; Wistiani Wistiani; Dewi Ratih; Saekhol Bakri
Medica Hospitalia : Journal of Clinical Medicine Vol. 3 No. 1 (2015): Med Hosp
Publisher : RSUP Dr. Kariadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (223.279 KB) | DOI: 10.36408/mhjcm.v3i1.208

Abstract

Latar belakang : Telah diketahui bahwa kadar serum zinc berhubungan dengan kadar serum leptin pada obesitas. Di sisi lain, penelitian terdahulu menunjukkan hubungan antara obesitas dengan IgE, sebagai penanda atopi, masih inkonsisten. Belum terdapat penelitian yang menilai signifikansi korelasi obesitas dengan serum leptin, zinc, and IgE di Indonesia. Penelitian ini bertujuan untuk menilai korelasi antara kadar serum leptin, zinc, dan IgE pada anak obesitas. Metode : Penelitian ini merupakan penelitian belah lintang, dilakukan di Semarang, melibatkan 80 anak obesitas, laki-laki (n=40) dan perempuan (n=40), berusia 13–14 tahun, dari Januari hingga Desember 2013, dengan kriteria inklusi anak obesitas dan menyetujui informed consent. Riwayat atopi dinilai menggunakan kuesioner International Study of Asthma and Allergies in Childhood (ISAAC). Pemilihan subyek secara consecutive sampling. Sampel darah diambil untuk pemeriksaan kadar zinc serum menggunakan metode AAS, leptin dan IgE serum menggunakan ELISA. Analisis statistik menggunakan Pearson's correlation test. Hasil : Dari 80 subyek, rata-rata kadar serum leptin adalah 10443,15 (SD=4288,76) pg/ml, kadar serum zinc 83,29 (SD=15,56) ng/dl, kadar serum IgE 103,48 (SD=108,36) IU/ml, secara berturutan. Pengujian statistik dengan Pearson's correlation test, secara statistik tidak terdapat hubungan antara kadar serum leptin dan kadar serum zinc, tidak terdapat hubungan antara kadar serum leptin dan kadar serum IgE, dan tidak terdapat hubungan antara kadar serum zinc dan kadar serum IgE dengan nilai r= 0,137, (p=0,227); r= -0,380, (p=0,741); dan r= -0,146 (p=0,195), secara berurutan. Simpulan : Tidak terdapat hubungan antara kadar serum leptin, zinc dan IgE pada anak obesitas.
Aplikasi Programmable Logic Controller (PLC) Pada Sistem Kontrol Proses Pengelasan Inner dan Outer Tabung Iradiasi I Wayan W W; Sofyan Sori; Jakaria Jakaria; Artadi Heru W; Mulyono Mulyono
Jurnal Forum Nuklir JFN Vol 4 No 1 Mei 2010
Publisher : BATAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (223.03 KB) | DOI: 10.17146/jfn.2010.4.1.221

Abstract

Pada proses pengelasan inner dan outer tabung iradiasi, diperlukan sumber daya manusia yang handal sehingga hasil pengelasan memenuhi persyaratan yang ditetapkan untuk dapat diiradiasi di reaktor nuklir. Karena adanya keterbatasan sumber daya manusia yang mampu melakukan pengelasan tabung iradiasi secara sempurna, maka dibuat sistem kontrol proses pengelasan inner dan outer tabung iradiasi. Dengan sistem kontrol tersebut maka pengelasan tabung iradiasi dapat dilakukan secara otomatis. Metoda yang digunakan yaitu dengan menggunakan Programmable Logic Controller (PLC) yang difungsikan untuk mengatur proses pengelasan secara otomatis melalui program yang ditanamkan di dalamnya. Hasil yang diperoleh berupa unit kontrol yang telah diuji secara simulasi, kemudian dirangkai pada unit mesin las, dan selanjutnya dilakukan uji pengelasan terhadap tabung iradiasi. Pada hasil pengelasan dilakukan juga uji kebocoran dengan metode bubble test. Sistem kontrol dapat dinyatakan berfungsi dengan baik, karena semua langkah dalam proses pengelasan sudah terpenuhi. Hasil pengelasan yang kurang maksimal lebih besar diakibatkan oleh kondisi tabung iradiasi yang kurang sempurna seperti bentuk kurang simetris dan permukaan tidak bersih, serta kondisi bagian mekanik pada pemutar tabung iradiasi yang tidak presisi.
VALIDITAS BUKU AJAR MATEMATIKA DASAR TERINTEGRASI PENDIDIKAN KARAKTER Martyana Prihaswati; Eko Andy Purnomo; Sukestiyarno Sukestiyarno; Mulyono Mulyono
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2018: SEMINAR NASIONAL PENDIDIKAN SAINS DAN TEKNOLOGI
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4268.481 KB)

Abstract

The establishment of a healthy ecosystem in the industrial revolution era 4.0 begins with the formation of millennial characters who are currently experiencing degradation. The tendency of basic mathematics learning that gives more attention to the cognitive aspects has an impact on the mindset that is formed, which is learning to get value, not learning to form characters that are ready to face the industrial era 4.0. The need to link learning with character values can be realized in the development of an integrated mathematics textbook of character education. The purpose of this study was to determine the validity of integrated basic textbooks in character education. The research method used is research and development methods or Research and Development (R & D) with procedures in accordance with the development model of Borg & Gall. The results of the research shown in the design validation resulting in an average score of 3.13 including the valid criteria. So that the basic mathematics textbooks are integrated valid character education. Further research is needed in the trial class as the implementation of integrated basic textbooks on character education.Keywords : Borg & Gall, textbooks, character education
IMPLEMENTASI LESSON STUDY SEBAGAI SARANA MENUMBUHKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS PADA MATAKULIAH MATEMATIKA DASAR Martyana Prihaswati; Eko Andy p.; Sukestiarno Sukestiarno; Mulyono Mulyono
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2017: Prosiding Seminar Nasional Pendidikan, Sains dan Teknologi
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (302.034 KB)

Abstract

Basic mathematics courses are one of the subjects taught in non-mathematics courses or majors where the majority of students tend to avoid math. Mathematical problem solving skills of non-math students tend to be low. Though problem-solving ability is the main reason to learn math. So it is necessary to improve learning with lesson study through the application of problem based learning with character education approach. This research uses qualitative approach with descriptive method of analysis. The conclusion of this study is the implementation of lesson study through the application of PBL learning with character education approach is in accordance with the stages of the lesson study, namely planning (plan), implementation (do), and reflection (see). These three stages can improve students' mathematical problem solving skills in basic mathematics courses. Need to improve the way of learning, learning methods, and the atmosphere of learning so that the ability of students more leverage. Keywords : problem solving, lesson study, basic mathematic
LEARNING REFLECTION ON BASIC MATHEMATICAL SUBJECT IN HIGHER EDUCATION AS THE FINAL STAGE OF LESSON STUDY IMPLEMENTATION Martyana Prihaswati; Eko Andy Purnomo; Sukestiyarno Sukestiyarno; Mulyono Mulyono
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2018: PROCEEDING 1ST INSELIDEA INTERNATIONAL SEMINAR ON EDUCATION AND DEVELOPMENT OF ASIA (INseIDEA)
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (371.951 KB)

Abstract

Students often have math anxiety which results in low learning outcomes. Giving story questions turned out to raise student’s difficulties in solving problems, including identif ying elements that are known, asked, andadequacy of elements, and making mathematical models of story problems. This indicates that the problemsolving ability of non-mathematics major students in basic mathematics courses is low. Lesson Study Learning based on character education can facilitate the acquisition of solutions to the above problems. The most important stages in lesson study are stages of reflection (see), in which the stages are stated all findings in learning are then given input in order to improve learning. This study uses the descriptive method with a qualitative approach. The activity carried out is to describe the reflection of basic mathematics learning as the final stage of the lesson study implementation. The research variable is in the form of a dependent variable, such as students' problem solving abilities and independent variables, namely student activity and creativity. It was obtained an average problem solving ability of 81.52. While the students’ activeness with an average of 8 3.4 categories is very active and the average of students’ creativity is 81.3 with a very good category. The character building for students, such as honesty, discipline, creativity, curiosity, enthusiasm, responsibility, tolerance, hard work, democratic, friendly / communicative, independent, religious, caring for the environment, and socially concerned. Hopefully, further research can be carried out to improve abilities understanding’s student concepts in basic mathematics subjects.Keywords: lesson study, reflection, basic mathematics
LESSON STUDY : PENGEMBANGAN LEMBAR KERJA MAHASISWA PADA PEMBELAJARAN MATEMATIKA DASAR DI PERGURUAN TINGGI Martyana Prihaswati; Eko Andy Purnomo; Sukestiyarno Sukestiyarno; Mulyono Mulyono
Jurnal Karya Pendidikan Matematika Vol 5, No 2 (2018): Jurnal Karya Pendidikan Matematika Volume 5 Nomor 2 Tahun 2018
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (193.523 KB) | DOI: 10.26714/jkpm.5.2.2018.101-106

Abstract

Pembelajaran matematika dasar masih dilakukan secara tradisional menggunakan metode ekspositori.namun ketikamahasiswa diminta untuk mempresentasikan hasil kerjanya, mahasiswa merasa kesulitan dalam menyatakan ulang konsep yang telah diajarkan karena sifat materi anti turunan yang sangat abstrak. Hal tersebut mengindikasikan rendahnya kemampuan pemahaman konsep mahasiswa. Perlu adanya pengembangan lembar kerja mahasiswa dengan pendekatan konstruktivisme yang diharapkan dapat membantu meningkatkan kemampuan pemahaman konsep mahasiswa. Tujuan dari penelitian ini adalah mengetahui validitas lembar kerja mahasiswa dengan pendekatankonstruktivisme berbasis pendidikan karakter materi anti turunan.Penelitian ini merupakan penelitian pengembangan dengan metode penelitian Research and Development (R&D) dengan prosedur pengembangan dari Borg & Gall. Teknik pengambilan data menggunakan teknik wawancara. Hasil penelitian diperoleh bahwa lembar kerja mahasiswa dengan pendekatankonstruktivisme berbasis pendidikan karaktermateri anti turunan valid dengan nilai rata-rata 3,8. Lembar kerja mahasiswa dengan pendekatan konstruktivisme materi anti turunan ini dapat diujicobakan di program studi non matematika yang memiliki mata kuliah matematika dasar.
ANALISIS PENGARUH RASIO KEUANGAN TERHADAP HARGA SAHAM PERUSAHAAN PERBANKAN YANG TERDAFTAR DI BURSA EFEK INDONESIA (BEI TH 2010-2012) Sri Murwanti; Mulyono Mulyono
Benefit: Jurnal Manajemen dan Bisnis Benefit : Kumpulan Makalah Diskusi Dosen FE UMS Volume 19 No 2 Desember 2015
Publisher : Program Studi Manajemen Fakultas Ekonomi dan Bisnis Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/benefit.v19i2.2311

Abstract

This study aims to analyze the influence of : 1 ) Return on Assets ( ROA ) to the stock price onthe banking companies listed on the Stock Exchange th period 2010-2012 ; 2 ) Return On Equity ( ROE) to the stock price on the banking companies listed on the Stock Exchange th period 2010-2012 ; 3 ) NetProfit Margin (NPM ) on stock prices in the banking companies listed on the Stock Exchange th period2010-2012 ; 4 ) Earning per share (EPS ) to the stock price on the banking companies listed on the StockExchange th period 2010-2012 ; 5 ) Price Earning Ratio ( PER ) on stock prices in the banking companieslisted on the Stock Exchange th period 2010-2012 ; and 6 ) ROA , ROE , NPM , EPS , PER simultaneously on stock prices in the banking companies listed on the Stock Exchange th period 2010-2012 . This research was conducted using secondary data . The population in this study are listed banking industry in IndonesiaStock Exchange ( IDX ) of 28 companies , the samples taken were 84 observations by purposive samplingtechnique . The method of analysis used by multiple regression analysis with first tested the classicalassumptions include normality test, multicollinearity , heteroscedasticity test , and hypothesis testing usedis a simultaneous significant test ( Test F ) , partial significant test ( the self- t ) . The results of this studyprove that : ROA no significant effect on the stock price on the banking companies listed on the StockExchange th period 2010 - 2012 , ROE no significant effect on the stock price on the banking companieslisted on the Stock Exchange th period 2010 - 2012 , NPM significantly influence stock price on the bankingcompanies listed on the Stock Exchange th period 2010 - 2012 , EPS significantly influence stock prices inthe banking company listed on the Stock Exchange th period 2010 - 2012 , PER no significant effect on thestock price on the banking companies listed on the Stock Exchange th period 2010 - 2012 , ROA , ROE ,NPM , EPS and PER simultaneously significant effect on stock prices in the banking companies listed onthe Stock Exchange th period 2010 - 2012
HIRARC PADA BAGIAN MINI BUS PT MEKAR ARMADA JAYA MAGELANG Agustina Agustina; Mulyono Mulyono
The Indonesian Journal of Occupational Safety and Health Vol. 6 No. 2 (2017): The Indonesian Journal Of Occupational Safety and Health
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1441.145 KB) | DOI: 10.20473/ijosh.v6i2.2017.177-186

Abstract

Occupational health and safety is mandatory for every worker. Various tools and advanced technology to simplify and speed up an industrial activity, however these activities also have negative impacts which may cause harm to workers. The purpose of this study was to identify the Hazards, Assessment and Risk Management Section Mini Bus (body) in PT Mekar Armada Jaya Magelang Work Accident Prevention. The study was conducted in PT Mekar Armada Jaya Magelang at Jl Mayjen Bambang Soegeng No. 7, Magelang- Central Java. This research was carried out for 8 weeks starting on August 22, 2016 until October 14, 2016. This type of research is observational with cross sectional study. Primary data obtained by observation. While secondary data obtained from the company. The results of this research are largely derived from the potential danger of equipment and working environment and risks to each post terdentifikasi work almost the same as the activity and the equipment used. The conclusion is that there is a risk of potential hazards in PT Mekar Armada Jaya Magelang. So we recommend a special welding training for the regular welder, periodic health examinations and provide cover protector as well as provide smoking areas ( in units ) that separate from the main work sites. Keywords: hazard identification, risk assessment and control of mini bus 
Co-Authors A. Shofy Mubarak AA Sudharmawan, AA abdul basith Achmad Satrio Adi Nur Cahyono Agus Mulyanto Agus Nuryatin Agustina Agustina Ahmad Yani Akhmad Samsu Rijal Ali Mustofa Anang Tri Prasetyawan Annisa Nur Rohmah Purnamasari Ardelia Ernestine Arga Rizki Setiyanto Arie Anang Setyo Arifa Rahmatika Salsabilla Artadi Heru W Aspita Laila Ayu Setyaningrum Ayu Siti Ni’mah Syuridiniah Bau E Benny Fremmy Bintang Nurdiansyah Putra Brainvendra Widi Dionova Budhi Prasetiyo Budi Hermawan Choirul Anam Cintia Anggraini Cornelia Angelina P.H Daffa N. H Dewi Ratih Dharmayanti Pri Handini Dian Herasari Dian Mestika Sari Diana Urip Rahayu Dinda Bintang Anjani Dwi Retnoningrum Dwiana Hendrawati Efridani Lubis Eko Andy p. Eko Andy Purnomo Eva Azhra Latifa Ewi Ismaredah Faridhatun Nikmah Feti R Kristanti Fitri Amilia Fitri Amillia Fitri Suryanti H Ahd Fauzi H Majeri H Taufikurrahman Hadi Laksono Handani Handani Humuntal Banjarnahor I Wayan W W Iman Saifullah Indah Parwatih Irvan Fauzi Isnaini Rosyidah Isnarto Isnarto Istikomah Suci Lestari Jakaria Jakaria Khoirul Anwar Konita L Kristin Andriani M Fathurrahman Fathurrahman Maria Magdalena Mariani Sitanggang Martyana Prihaswati Melina Br. Sembiring Mirza Rizaldi Muchamad Lukman Fauzi Muhammad Haqqi Muhammad Saleh Suaidy Mukh Doyin Mukhammad Bakhruddin Murita Putri Z Mu’alimin Mu’alimin Mu’jizat Al Marwa Najma Khairani Harahap Nanda R Nida Sopiah Novita Sari Saragih Nur Fatowil Aulia Nur Rika T.R Nuzul Barkah Prihutomo Nyoman Suci Widyastiti Rifky Pradifta Eka Putra Rika Susanti Roidlotul Nikmah Annafi Ruslan Hasyim Saekhol Bakri, Saekhol Sahat Saragih Setyo Hadi W Shindy Sagita Br Ginting Slamet Priyoatmojo Soedjono Soedjono Sofyan Sori Sri Murwanti Sugeng Riani Suharso Suharso Sukestiarno Sukestiarno Sukestiyarno Sukestiyarno survival survival Suseno Suseno Susi Sulistia Suwarti Suwarti Suwarti Suwarti Syakrila Ratu Awwali Taufik Taufik Teguh Harijono Mulud Tri Puji Rahayuningsih Trisnawati, Nika Fetria Ummul Zulaikhah Wahju Wuladari Wahju Wulandari Wahyono Wahyono Wistiani Wistiani Yetty Movieta Nancy Yetty Movieta Nency Yosephin Elisabeth Panggabean Yuyun, Qurotun A'yuni Zaenuri Zaenuri Zuliyanti Zuliyanti Zulkifli Matondang