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                        Analysis of Mathematical Problem Solving Skills using Meta-Cognitive Strategy from The Perspective of Gender-Based Self-Efficacy 
                    
                    Mufida, Aina; 
Suyitno, Hardi; 
Marwoto, Putut                    
                     Unnes Journal of Mathematics Education Research Vol 7 No 1 (2018): December 2018 
                    
                    Publisher : Universitas Negeri Semarang 
                    
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This research aims to analyze the effect improved self-efficacy in students’ ability to solve mathematical problems from the gender perspective with the implementation of meta-cognitive strategy for the topic of prism and pyramid. It is a mixed method research using the concurrent embedded model. Subjects involved were students of Class VIII (eighth grade) of MTs Asy-Syarifah Mranggen (Islamic Junior High School of Mranggen). It is found in the field that when students have to deal with applied mathematics concerning everyday life problems of significant difficulty level, they are not confident about their own abilities to solve them. Results show that 1) Self-efficacy greatly influences students’ ability in solving mathematical problems; 2) At the same level of self-efficacy, boys and girls undergo the same process and get the same results in terms of mathematical problem solving skills; 3) Students have different levels of ability in solving mathematical problems based on self-efficacy; 4) There has been an increase in self-efficacy prior to and after the implementation of met-cognitive strategy for the topic of prism and pyramid.
                            
                         
                     
                 
                
                            
                    
                        PENGARUH KEMAMPUAN KOGNITIF, KREATIVITAS, DAN MEMECAHKAN MASALAH TERHADAP SIKAP ILMIAH SISWA SD 
                    
                    Hanifah, Desty Putri; 
Marwoto, Putut; 
Sugianto, Sugianto                    
                     Journal of Primary Education  Vol 5 No 1 (2016) 
                    
                    Publisher : Journal of Primary Education 
                    
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Penelitian ini bertujuan untuk mengetahui pengaruh kemampuan kognitif, kreativitas, dan memecahkan masalah terhadap sikap ilmiah. Penelitian ini menggunakan pendekatan kuantitatif, metode kausal dan teknik analisis jalur. Hasil penelitian adalah sebagai berikut: 1) kemampuan kognitif berpengaruh secara langsung sebesar 10,43% terhadap kemampuan kreativitas, 4,49% terhadap kemampuan memecahkan masalah, dan 1,96% terhadap sikap ilmiah; 2) kemampuan kreativitas berpengaruh langsung sebesar 6% terhadap kemampuan memecahkan masalah dan 5,06% terhadap sikap ilmiah; 3) kemampuan kognitif berpengaruh secara tak langsung sebesar 12,4% terhadap kemampuan memecahkan masalah melalui kemampuan kreativitas, serta berpengaruh tak langsung sebesar 9,23% terhadap sikap ilmiah melalui kemampuan kreativitas. Kemampuan memecahkan masalah tidak berpengaruh terhadap sikap ilmiah siswa dikarenakan siswa SD belum mencapai tahap memecahkan masalah yang sesungguhnya. Mereka masih harus dibantu guru sehingga pencapaian kemampuan memecahkan masalahnya dapat optimal. Kemampuan kognitif sangat penting bagi kemampuan lainnya. Kemampuan kognitif yang diperkuat dengan kreativitas dapat meningkatkan kemampuan memecahkan masalah dan sikap ilmiah. Tercapainya sikap ilmiah menunjukkan salah satu indikator keefektifan pembelajaran sains.
                            
                         
                     
                 
                
                            
                    
                        Keefektifan Model Project Based Learning Terbimbing untuk Meningkatkan Keterampilan Proses Sains dan Hasil Belajar IPA 
                    
                    Wijanarko, Andrian Gandi; 
Supardi, Kasmadi Imam; 
Marwoto, Putut                    
                     Journal of Primary Education Vol 6 No 2 (2017): August 2017 
                    
                    Publisher : Universitas Negeri Semarang 
                    
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                                DOI: 10.15294/jpe.v6i2.17561                            
                                            
                    
                        
                            
                            
                                
Latar belakang yang mendorong penelitian ini adalah hasil belajar kognitif siswa yang belum memenuhi kriteria ketuntasan minimal serta pembelajaran belum mengoptimalkan keterampilan proses sains. Tujuan penelitian ini adalah untuk menguji keefektifan model PjBL terbimbing untuk meningkatkan hasil belajar kognitif siswa dan keterampilan proses sains siswa. Penelitian kuantitatif ini dalam bentuk quasy experimental design dengan jenis non equivalent control group design. Kelas eksperimen dikenai pembelajaran menggunakan model PjBL terbimbing, kelas kontrol dikenai pembelajaran menggunakan model PjBL. Subjek penelitian 55 siswa kelas V SD N Kleteran I dan SDN Banaran. Data berupa hasil belajar kognitif dan psikomotor keterampilan proses sains siswa dikumpulkan melalui observasi, tes dan dokumentasi. Penelitian menunjukkan hasil sebagai berikut: (1) terdapat perbedaan hasil belajar kognitif antara kelompok siswa yang mengikuti model PJBL terbimbing dengan kelompok siswa yang mengikuti model pembelajaran PJBL, diperoleh nilai thitung = 2.32. Nilai ini lebih besar dari ttabel yang sebesar 1.67. (2) Terdapat perbedaan keterampilan proses sains antara kelompok siswa yang mengikuti model pembelajaran PjBL terbimbing dengan yang mengikuti model pembelajaran PjBL (thitung = 3.18 > t tabel = 1.67). Peningkatan hasil belajar dan keterampilan proses yang menggunakan model PjBL terbimbing lebih baik dari pada PjBL. Jadi model PjBL efektif untuk meningkatkan hasil belajar dan keterampilan proses siswa.Background to conduct this study is the students’ cognitive learning result which has not fulfilled minimum mastery criteria and the learning process which has not optimized science process skills. The research problems of this study are does guided PjBL model effective for improving students’ cognitive learning result? does guided PjBL model effective to optimize students' science process skills? The purpose of this study is to test the effectiveness of guided PjBL model to improve students’ cognitive learning result and students' science process skills. This quantitative research was in the form of quasy experimental design (quasi-experiment) with nonequivalent control group design types (classes are experimental and control). Experimental class, in the learning process was using guided PjBL model subjected learning, while, the learning process in control class was using PjBL model. The research subject were 55 students of V graders in SD N Kleteran I and SDN Banaran, it was determined by using purposive sampling technique. Data was in the form of cognitive and psychomotoric students' learning result of science process skills, it was collected through observation, test, and documentation. The result of this study are as follows: (1) there are differences in cognitive learning result between groups of students who follow guided PjBL model and group of students who follow PjBL model, the value (tcalculate = 2:32> ttable = 1.67), (2) there are differences in learning result between the science process skills of students who take guided PjBL model and group of students who take PjBL model (tcalculate = 3:18> ttable = 1.67). The conclusions of the study are guided PjBL model is effective to improve and science process skills and students’ learning result.
                            
                         
                     
                 
                
                            
                    
                        Mathematical Communication Skills Reviewed from Self-Efficacy by Using Problem Based Learning (PBL) Model Assisted with Manipulative Teaching Aids 
                    
                    Herdini, Resty Ayu; 
Suyitno, Hardi; 
Marwoto, Putut                    
                     Journal of Primary Education  Vol 8 No 1 (2019): April 2019 
                    
                    Publisher : Journal of Primary Education 
                    
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                                DOI: 10.15294/jpe.v8i1.25311                            
                                            
                    
                        
                            
                            
                                
The purposes of this study were to determine the effectiveness of PBL model assisted with the manipulative teaching aids towards the mathematical communication skills, and to find out the self-efficacy based on the dimensions of magnitude, strenght, and generally. This study applied mixed method type of research with concurrent embedded design. The sample in this study is 9 students consist of 3 students in the magnitude dimension, 3 students in the strength dimension, and 3 students in the generally dimension that had been determined based on the written and oral Mathematical Communication Ability Tests (TKKM). The instruments used to collect data in this study consists of learning aids or devices such as, written TKKM Tests, questionnaire sheet and interview guidelines. The techniques of collecting data were conducted by using questionnaires, tests and interviews. The effectiveness was described based on (1) the average completeness test of 0.436; (2) the average difference test of 2.867; and (3) N-gain test of 0.468. The results of this study showed that learning conducted by using problem based learning model assisted with manipulative teaching aids is effective toward the mathematical communication skills. In addition, by using problem based learning model assisted with manipulative teaching aids can improve self efficacy in its every dimensions, including: the dimensions of magnitude obtain an average of 82.32; the dimension of strength gained an average of 80.37; and the dimensions of generally get an average of 81.78.
                            
                         
                     
                 
                
                            
                    
                        The Use of Monopoly Media to Improve Primary Student’s Critical Thinking Skills in Science Learning 
                    
                    Dirgantara, Marvinda Rizki Dita; 
Susilowati, Sri Mulyani Endang; 
Marwoto, Putut                    
                     Journal of Primary Education Vol 8 No 3 (2019): March 2019 
                    
                    Publisher : Universitas Negeri Semarang 
                    
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The purpose of this research was to investigate the difference improvement of critical thinking skills by using inquiry model assisted with monopoly media with direct instruction learning model in Primry Schools. The method used in this research was a type of quantitative research methods especially Non equivalent of pre-test and post-test control group design was used with 77 students as the research subjects of Diponegoro distric at Sempor Kebumen. The data collection techniques used were test, interviews, observation. The results of the present research showed that the critical thinking skills of students by using inquiry model assisted with monopoly media is better than those taught by direct instruction learning model and the result of the t-test obtained significance value of 0.003 < 0.05. The percentage of critical value of subject matter of Science Learning based on students worksheets (LKS) and experiments for high critical criteria are 13.88%, critical criteria 66.67%, moderate critical criteria 19.44%. Then, the average final scores of students in the experimental class was 80.52% and the control class was 74.63%, While the stage of average critical thinking was at the level 4 which is to formulate arguments and determine the outcome of the consideration by the integration between initial concept and experiment. Therefore, it can be concluded that the use of inquiry model assisted with monopoly media is more effective used than that of direct instruction learning model.
                            
                         
                     
                 
                
                            
                    
                        PENGARUH KONDISI PENUMBUHAN PADA SIFAT FISIS FILM TIPIS GA2O3 DENGAN DOPING ZNO 
                    
                    Sulhadi, -; 
Marwoto, Putut; 
Sugianto, -                    
                     Sainteknol : Jurnal Sains dan Teknologi Vol 8, No 2 (2010): December 2010 
                    
                    Publisher : Universitas Negeri Semarang 
                    
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                                DOI: 10.15294/sainteknol.v8i2.321                            
                                            
                    
                        
                            
                            
                                
Telah dapat ditumbuhkan film tipis Ga2O3:ZnO di atas substrat silikonmenggunakan dc magnetron sputtering (home made). Parameter deposisi yangdivariasikan dalam pembuatan film tipis Ga2O3:ZnO adalah daya plasma. Prosespenumbuhan dilakukan selama 3 jam. Struktur film dipelajari dengan menggunakandifraksi sinar X (XRD) dan SEM. Hasil difraktogram XRD dibandingkan dengandata JCPDS untuk mengidentifikasi struktur kristal yang tumbuh. Film tipis yangditumbuhkan dengan daya plasma 20,15 W dan 24,10 W teramati puncak difraksibersesuaian dengan orientasi bidang (201) yang menunjukkan lapisan tipisGa2O3:ZnO memiliki struktur monoklinik dan intensitas tertinggi bersesuaian denganorientasi bidang (400) pada fase kubik. Pada citra SEM dengan perbesaran 10.000kali teramati bahwa film yang ditumbuhkan dengan daya plasma 20,15 Wmempunyai morfologi yang lebih rata. Kondisi tersebut dikarenakan atom-atom yangmenempel pada substrat ada yang terlepas terlebih dahulu sebelum datang atom-atomyang tersputter dari target. Hal ini sebagai konsekuensi laju atom yang menujusubstrat relatif rendah karena ditumbuhkan pada daya plasma yang juga relatifrendah.Kata kunci: Ga2O3:ZnO, daya plasma, XRD, SEM, dc magnetron sputtering.
                            
                         
                     
                 
                
                            
                    
                        PEMBUATAN BAHAN GESEK KAMPAS REM MENGGUNAKAN SERBUK TEMPURUNG KELAPA SEBAGAI PEMODIFIKASI GESEK 
                    
                    Sutikno, -; 
Hindarto, Nathan; 
Marwoto, Putut; 
Rustad, Supriadi                    
                     Sainteknol : Jurnal Sains dan Teknologi Vol 8, No 2 (2010): December 2010 
                    
                    Publisher : Universitas Negeri Semarang 
                    
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                                DOI: 10.15294/sainteknol.v8i2.327                            
                                            
                    
                        
                            
                            
                                
Tujuan penelitian ini adalah untuk memfabrikasi bahan gesek menggunakanbahan dasar serbuk tempurung kelapa yang dapat diterapkan pada kampas remkendaraan bermotor. Formula bahan gesek dasar terdiri-dari sekitar sepuluhingredient. Serbuk tempurung kelapa dipilih untuk mengganti grafit atau serbuk batubara. Pada dasarnya bahan gesek kampas rem tersusun dari pengikat, pengisi,pemodifikasi gesek, dan serat. Pengikat, pengisi, dan penguat yang dipakai dalampenelitian ini adalah berturut-turut SBR 1712, CaCO3 dan serbuk tempurung kelapa.Spesimen dipersiapkan berdasarkan tahap eksperimen berikut: persen volumemasing-masing ingredient diukur, bahan-bahan dicampur dengan menggunakanblender, di-cure pada 190 C selama 3 jam dan kemudian dipanasi pada 200 C selama4 jam. Komposisi serbuk tempurung kelapa divariasi antara 10% sampai 30% darivolume total mould dan diperhitungkan menggunakan pendekatan Golden Section.Kadar unsur masing-masing bahan gesek diukur menggunakan energy dipersive xrayspectroscopy (EDS). Morfologi permukaan bahan gesek kampas rem diamatimenggunakan scanning electron microscopy (SEM). Kekerasan permukaan diukurmenggunakan Rockwell Hardness Tester (Wilson M1C1), Acco Wilson Instrumentsdan kekuatannya diukur menggunakan mesin uji tarik.Kata kunci: bahan gesek, kampas rem, serbuk tempurung kelapa
                            
                         
                     
                 
                
                            
                    
                        SENSOR GAS BERBASIS FILM TIPIS DENGAN KONFIGURASI TRANSISTOR EFEK MEDAN (FET) UNTUK DETEKSI GAS CO 
                    
                    Sujarwata, Sujarwata; 
Marwoto, Putut                    
                     Sainteknol : Jurnal Sains dan Teknologi Vol 11, No 2 (2013): December 2013 
                    
                    Publisher : Universitas Negeri Semarang 
                    
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                                DOI: 10.15294/sainteknol.v11i2.5578                            
                                            
                    
                        
                            
                            
                                
Pembuatan dan karakterisasi Transistor Efek Medan (FET) berbasis film tipis dengan struktur bottom-contact dan panjang channel 100 μm untuk aplikasi sensor gas. Pembuatan FET dengan cara: permulaan dilakukan pencucian substrat Si/SiO 2 dengan etanol dalam ultrasonic cleaner, kemudian dilakukan pendeposisian elektroda source/ drain dengan metode penguapan hampa udara dan teknik lithography. Selanjutnya dilakukan deposisi film tipis CuPc diantara source/drain sebagai panjang channel dan elektrode gate. Karakteristik FET, untuk daerah aktif untuk V DS (2,80 s/d 3,42) V dan kuat arus I (0,00095 s/d 0,00169) A. FET akan aktif beroperasi hanya diperlukan tegangan V DS (2,79 V s/d 3,43 V) dan dengan ukuran sangat kecil ( 1,5 mm x 3,1 mm ) serta jarak antara S ke D adalah 100 μm. Aplikasi sensor gas telah dilakukan untuk mendeteksi gas CO, diperoleh hasil untuk response time 90 detik dan recovery time 120 detik. DS
                            
                         
                     
                 
                
                            
                    
                        Remediation of Sound Wave Material Assisted by Sasando to Improve Understanding of Concepts and Analytical Thinking Abilities 
                    
                    Gelu, Afrianus; 
Marwoto, Putut; 
Aji, Mahardika Prasetya                    
                     Journal of Innovative Science Education Vol 9 No 2 (2020): August 2020 
                    
                    Publisher : Universitas Negeri Semarang 
                    
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                                DOI: 10.15294/jise.v8i3.34805                            
                                            
                    
                        
                            
                            
                                
Physics learning in sound wave material by utilizing sasando musical instruments is one of the learning experiences that allows students to develop cognitive, affective, and psychomotor abilities. Through sasando, sound material can be learned, for example the concept of factors that affect the frequency, resonance, and intensity of sound. The purpose of this study was to determine the effect of applying PBL learning models assisted by sasando musical instruments to the students understanding of concepts and analytical thinking ability. Data collection techniques are carried out through observation and tests. The results of data analysis showed that PBL learning strategies assisted by sasando musical instruments had an effect on students’ both conceptual understanding and analytical thinking ability. The results of the N-Gain pretest and posttest calculations in the experimental class showed an increase in understanding concepts and analytical thinking ability of students. The understanding concept of N-Gain value increases by 51.76% with the medium category, while the value of N-Gain analytical thinking increases by 52.95% with the medium category. In general, the conclusions that can be drawn from this study are PBL learning strategy strategies assisted by sasando musical instruments have a positive effect on understanding concepts and students' analytical thinking skills.
                            
                         
                     
                 
                
                            
                    
                        ANALISIS KEMAMPUAN PEMECAHAN MASALAH MODEL POLYA MATERI GETARAN, GELOMBANG, DAN BUNYI SISWA SMP 
                    
                    Astuti, Nurul Heni; 
Rusilowati, Ani; 
Subali, Bambang; 
Marwoto, Putut                    
                     UPEJ Unnes Physics Education Journal Vol 9 No 1 (2020) 
                    
                    Publisher : UPEJ Unnes Physics Education Journal 
                    
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                                DOI: 10.15294/upej.v9i1.38274                            
                                            
                    
                        
                            
                            
                                
This study aims to determine the problem solving ability of  the 9th grade students of  Banyubiru 1 and 2 Junior High School in 2019/2020 in the material of wave, and sound. This is a survey research with descriptive qualitative analysis. The instrument used was an integrated test with Polya's model problem solving steps and interview guidelines. Test questions tested consists of 2 problem descriptions. The result shows that the ability of the students  problem solving ability was still at the low level which is at 68.97%. Whereas,  90.32% of students' score are still below the minimum completeness criteria (KKM) in science subject. Students are able to achieve 2 indicators of Polya model problem solving namely understanding the problem and making plans.  However, students have not yet been able to achieve the other 2 indicators, namely  implementing the plan and checking again. The students found the difficulties in interpreting the Problem-type questions. They got difficult in understanding the intentions of the problem so that there is an error in compiling a strategy that results in students experiencing confusion in writing each answer. So training is needed in working on problem solving problems.