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Jurnal Penelitian Pendidikan IPA (JPPIPA)
Published by Universitas Mataram
ISSN : 24602582     EISSN : 2407795X     DOI : -
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics
Science Educational Research Journal is international open access, published by Science Master Program of Science Education Graduate Program University of Mataram, contains scientific articles both in the form of research results and literature review that includes science, technology and teaching in the field of science. The Science Educational Research Journal is published twice in a year in January and July editions. The editors receive writing in Indonesian or English, either from the university or from outside the university.
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Articles 21 Documents
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Search results for , issue "Vol. 5 No. 2 (2019): July" : 21 Documents clear
Penggunaan LKM Untuk Menunjang Kegiatan Laboratorium Virtual Fisika Inti Hidayati Hidayati; Masril Masril
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.250

Abstract

To improve the quality of the Nuclear Physics lectures in addition to understanding the material as knowledge aspect, students are also expected to practice for the skills. The Nuclear Physics lecture material is microscopic so it requires laboratory activities, but there is no suitable practical tools available in the laboratory of Physics Department, mathatics and science faculty, universitas negeri padang. Therefore, a virtual laboratory model was developed in this research which was supported by students' worksheet. The valid and practical students' worksheet have been obtained. Then, it was tried out to students who take the Nuclear physics lecture to see whether the students' worksheet are effective to support virtual laboratory activities. The research conducted is included in the type of quasi-experimental research. The population is students who take part in the Nuclear Physics lecture in semester January-June 2018. The samples were taken using Cluster Random Sampling techniques. Data on knowledge and skills competencies were analyzed using the t test at a real level of 0.05. Based on the results of data analysis, there were significant differences in the two sample classes. The results of the regression analysis indicate that there is a strong correlation between the use of students' worksheet to support virtual laboratory activities for knowledge and skills competencies.Keywords: Nuclear Physics, Students Worksheet, Virtual Laboratory
Efektifitas Pelaksanaan Kurikulum 2013 ditinjau dari Kesiapan Sekolah dan Pengaruhnya terhadap Perkembangan Sekolah Melkianus Suluh; Dekriati Ate
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.280

Abstract

Abstract: This study aims to determine: (1) school readiness and response to the 2013 curriculum, (2) the effectiveness of the 2013 curriculum implementation on school development, (3) the supporting and inhibiting factors for the implementation of the 2013 curriculum in physics learning, and (4) Implementation of process standards and curriculum evaluation standards for 2013. This research is a qualitative descriptive study. The research subjects were Physics Teachers, Mathematics Teachers, and Indonesian Teachers. Research data was collected by conducting in-depth interviews. The results of the study show that: 1) the principal and teacher state the readiness for the implementation of the 2013 curriculum. 2) the application of the 2013 curriculum influences the efforts of schools to develop schools through increasing teacher human resources, providing supporting facilities and infrastructure and learning facilities; 3) supporting factors for the implementation of the 2013 curriculum are the availability of adequate teacher resources, the availability of adequate supporting facilities and infrastructure, the support of parents and the government, and the willingness of students. Meanwhile, the inhibiting factors are minimal learning media, limited student books, limited educational staff, readiness and teacher thinking methods that still use old learning patterns; 4) teachers have difficulty implementing scientific approach based learning due to lack of student enthusiasm, minimal learning media, limited laboratory and library facilities and infrastructure, for aspects of assessment teachers experience difficulties with the number of items and forms of assessment.Keywords: 2013 curriculum; School Readiness; School Development
Analysis of Validation of Instruments to Measure Student’s Critical Thinking Ability and Science Literation Tomi Widiatmo; A Wahab Jufri; Jamaluddin Jamaluddin
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.272

Abstract

Abstrak: This study aims to produce a valid and reliable instrument to measure the influence of guided inquiry learning models on students' critical thinking skills and scientific literacy through assignment techniques. The instruments of this study are a syllabus, learning implementation plan (RPP), questions of critical thinking and scientific literacy. An analysis of validity is carried out by proving the content and criteria validity. The results of the analysis of validity, reliability, level of difficulty, and differentiation indicate that the instrument has met the criteria that are feasible and valid for measuring students' critical thinking and literacy skills.Keywords: Validity; Research Instruments; Critical Thinking; Science Literacy; Guided Inquiry.
Pengembangan Lembar Kegiatan Mahasiswa Berbasis Eksperimen Pada Materi Pencemaran Lingkungan Fitriani Fitriani
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.217

Abstract

Abstract: The characteristic of the material of environmental pollution requires the real object from surrounding as learning resources. Hence, it demands the students move in or out of the classroom activity. Therefore, it is required to develop a student’s worksheet based on experiments that are expected to explain the theory about nature that can be revealed by experimental activities, especially on the material of environmental pollution. This study was Research and Development from the thiagarajan model of 4 D (Define, Design, Development and Disseminate). However, this study was conducted until the development stage only without the disseminate stage, because this study did not use it for a large scale. The instruments used in this study were validation sheets and respondent questionnaires for student’s worksheets based on experiments. The result of this study showed that the validity percentage based on the value of three expert validators with an average of 93,52 % included the very valid category. Meanwhile, the average percentage results of the respondent questionnaire included very applicable category from the first and the second tryouts were 90,98 % and 89,16 %, respectively. In conclusion, student’s worksheet based on experiments can be stated as the teaching materials which has been validated and very applicable to be used in the learning process. Keywords: Student’s worksheet based on experiments; Environmental pollution; Development
Synthesis of SnO2 Thin Layer with a Doping Fluorine by Sol-Gel Spin Coating Method Lalu Muliyadi; Aris Doyan; Susilawati Susilawati; Syamsul Hakim
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.257

Abstract

A thin layer of tin oxide with doping Fluorine was synthesized using the sol-gel spin coating method. The synthesis aims to determine the quality of thin layers formed based on temperature variations and the number of layers. The basic material used is SnCl2.2H2O, while the doping material used is NH4F with variations in concentrations of dopants 0, 5, 10, 15, 20 and 25%. The substrate used is glass with a size of 10 x 10 x 3 mm. The synthesis of the thin layer includes substrate preparation, sol-gel making, thin film making, and heating process. At this stage SnO2:F is deposited on a glass substrate with sol-gel spin coating technique at the concentration of sol 1 M with doping levels of Fluorine 0, 5, 10, 15, 20 and 25%, and treated with maturation for 24 hours. Making a thin layer using a spin coater at a speed of 2000 rpm for 3 minutes. The layer made consists of one layer, two layers, three layers and four layers. The resulting layer shows that the higher the doping percentage, the higher the transparency of the layer. In addition, the more the number of layers, the lower the transparency level. Keywords: Thin Film, Tin Oxide, Fluorine, Sol-gel, Spin Coating
Implementasi Pembelajaran Lesson Study Pada Matakuliah Genetika Mahrus Mahrus; Lalu Zulkifli; Syachruddin AR
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.197

Abstract

Abstract: The purpose of this study was to improve the results and learning process of Genetic subjects in the Biology Education Study Program through lesson study (LS). The research type is descriptive, the sampling technique used purposive. The study sample used 40 students in the sixth semester of class a Biology Education Study Program, Faculty of Education, University of Mataram in academic year 2017/2018. The research data collection technique used observation, documentation, and tests. Data on student learning outcomes and LS-based learning processes were analyzed descriptively. LS implementation in this study consisted of four cycles and each cycle consisted of three stages, namely: planning, implementation, and reflection. Classically the average value of students' cognitive achievement is 82.1% in cycle I and II while in cycle III and IV it increases to 82.67%. Data from LS implementation observation results obtained an average value of 91.63%. The conclusion of this study is the application of LS learning can improve student achievement and learning processes on Genetic subjects in the Biology Education Study Program. It is recommended to other researchers to conduct similar follow-up research in broader research areas, more samples, use more complex research designs, and use more subjects so that more optimal results can be found. Keywords: Lessons Study; learning; genetics; learning achievements; collaborative
Pengembangan Bahan Ajar IPA Berbasis Inkuiri Terbimbing untuk Meningkatkan Literasi Sains Baiq Sri Komalasari; A Wahab Jufri; Didik Santoso
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.279

Abstract

Abstract: The purpose of this study is to produce a product in the form of science teaching materials that can improve the scientific literacy of students. This research is included in research and development of education which is a method for producing certain products and testing the effectiveness of these products. The product developed was validated by experts consisting of 3 people. Learning tools that are validated are syllabus, lesson plans, and scientific literacy instruments. The results of the study show that the learning device in the form of syllabus shows an average of 3.9 (78%) in the appropriate category, the Learning Implementation Plan (RPP) shows an average of 3.9 (78%) in the feasible category, and the items show the average value is 4.1 (82%) in the feasible category. Thus, inquiry-based science teaching materials developed in appropriate categories can be applied in learning. The results of the questionnaire response analysis of students showed that students' responses were very good for teaching materials because 77.8% of students were fluent that guided inquiry-based teaching material was interesting. In a large-scale trial, the N-gain value obtained in the experimental class was 70.74 with high criteria. Keywords: Science Teaching Materials; Guided Inquiry; Science Literacy
The Development of Learning Devices Based on Guided Inquiry and Affectivities for Students' Critical Thinking Skills Lita Sumiyarti; Dadi Setiadi; Jamaluddin Jamaluddin
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.275

Abstract

Abstract: The purpose of this research is to make the learning device based on guided inquiry in science learning and affectivities to improve students’ critical thinking skills and to examine its validity, effectiveness, and practicability. This research adapts Borg & Gall Research and Development and modification. The instruments of the research were instrument validation results, practicality, and effectiveness. Data were collected by employing a validation sheet that was validated by the assessor to gain validation and practicality scores, the student's positive response questionnaire and learning result test sheet were full filled-in by the students, and the observation sheet was full filled-in by the observer. The average score of total validity is in the score range of 2.6<SV≤3.5 and is an invalid category. The result of practicality research of learning devices based on practicality questionnaire the range of 3.5-4.0 and is in a very practice category. The result of effectiveness based on learning result test showed that 75 % of the students are completely based on the results of the research, it can be concluded that the learning device based on guided inquiry is valid, practical, and effective that is feasible to be used in a learning activity in the classroom.Keywords: Development Research; Guided Inquiry; Critical Thinking Skill
Development of Scientific Literacy and Pedagogical Content Knowledge (PCK) of Prospective Science Teachers through Lesson Study-Based Courses A Wahab Jufri; Agus Ramdani; Jamaluddin Jamaluddin; Afriana Azizah
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.235

Abstract

Lesson Study has been adopted as an effort to improve the quality of education in many countries. Scientific literacy and pedagogical content knowledge (PCK) are two indicators of quality education which most agree are important considerations for science teachers This research has been undertaken by following a lesson study-based action research intervention. The objectives were to analyze its effects on development of prospective science teacher (PST) scientific literacy and PCK indicators. Research subjects were 32 fourth semester PSTs enrolled in Strategies for Teaching Biology course. The research was conducted in three cycles with a plan-do-see phase in each cycle. The data were obtained from PSTs’ tasks and analyzed by comparing the mean score gained for two indicators of scientific literacy and three indicators of students’ PCK. Results of this study indicates that the mean scores gained in each indicator of scientific literacy and PCK were higher in the third and second cycles of lesson study when compared to the first cycle. Therefore it can be concluded that implementing lesson study based action research brought about improvement the PSTs’ scientific literacy and PCK, as well as the quality of teaching and learning processes. Key words: lesson study, scientific literacy, pedagogical content knowledge
Aplikasi Pupuk Organik dan NPK untuk Meningkatkan Pertumbuhan Vegetatif dan Produksi Buah Terong Hijau Ahmad Raksun; Lalu Japa; I Gde Mertha
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.188

Abstract

Abstract: Research has been conducted on the application of organic and NPK fertilizer to increase the growth and yield of green eggplant which aims to find out (1) the influence of organic fertilizer on vegetative growth and yield of Green eggplant, (2) the effect of NPK fertilizer on vegetative growth and yield of Green Eggplant, (3) the effect of interaction between organic fertilizer and NPK fertilizer on vegetative growth and yield of Green Eggplant. A Factorial design was used which consisted of 2 factors. The first factor is the dose of organic fertilizer and the second factor is the dose of NPK fertilizer. The treatment of organic fertilizer consists of 4 levels, namely: P0 = without giving organic fertilizer (control), P1 = giving 0.5 kg organic fertilizer /1 m2 land, P2 = giving 1.0 kg organic fertilizer /1 m2 land, P3 = giving 1.5 kg organic fertilizer/1 m2 land. NPK fertilizer consists of 5 levels namely: N0 = without NPK fertilizer (control), N1 = giving 5 gr NPK fertilizer/plant, P2 = giving 10 gr NPK fertilizer/plant, P3 = giving 15 gr NPK fertilizer/plant, P4 = giving 20 gr NPK fertilizer/plant. Growth parameters were stem height and length of green eggplant leaves. Yield parameters were fruit length and green eggplant fruit weight. Data were analyzed by using ANOVA. The results showed that the application of organic fertilizer has a significant effect on the growth and yield of green eggplant. The application of NPK fertilizer has a significant effect on the growth and yield of green eggplant. The interaction of organic fertilizer and NPK fertilizer did not significantly affect the growth and yield of green eggplant. Key Words: organic fertilizer; NPK fertilizer; growth and production of green eggplant.

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