Wayan Dasna

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Verified

Wayan verified their affiliation via an institutional email.

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• Ph.D
• Lecturer at State University of Malang

Penelitian ini dilaksanakan dengan tujuan untuk menilai efek penggunaan model pembelajaran CADI (Cooperative Argument Driven Inquiry) dalam meningkatkan keterampilan berpikir kritis dan argumentasi ilmiah siswa pada materi kesetimbangan kimia. Desain penelitian yang diterapkan adalah quasi experimental pretest-posttest faktorial 2x2, dan partisipan...

The study aims are to determine whether there is a difference in the average learning outcomes between students who are subject to Direct instruction model aided by mobile augmented reality and Direct instruction model supported by non mobile augmented reality. The presence or absence of significant differences in cognitive learning outcomes betwee...

This study aims to test the effectiveness of the use of Guided Inquiry-Based Student Worksheets (LKPD) in improving science literacy and science learning outcomes of grade 4 students on the topic of changes in the state of matter. A quantitative research approach was applied using a quasi-experimental design with a non-equivalent control group. Dat...

This research aims to enhance prospective chemistry teachers' scientific argumentation skills through integrated chemical literacy strategy (ICLS) learning and to examine the patterns of relationship between students' scientific argumentation skills in terms of content and socio-scientific issues (SSI). The study used mixed methods: the embedded de...

Integrated STEM learning is an appropriate approach to improve students' abilities and skills needed in the 21st century. Therefore, this literature study aims to discuss the effectiveness of integrated STEM implementation in science learning. The focus of this research includes integrated STEM implementation, effectiveness, and analysis of abiliti...

The purpose of this review article was to understand the application of metacognitive strategies in science education as well as identify the syntax of these strategies and their impact on the studied variable. The method used was called a systematic literature review (SLR), and it consisted of three steps: planning, carrying out, and reporting. Th...

Single crystal of [Ni(4-AP)4(NCS)2] complex compound has been obtained using solvothermal method at 70 °C for 15 hours (yield = 41%). Crystal structure of [Ni(4-AP)4(NCS)2] has a distorted octahedral structure with orthorhombic crystal system, Pccn space group, Z = 4, and a, b, and c values of 17.1091(5) Å, 9.6686 (3) Å, 16.1998 (5) Å. Hirshfeld Su...

The [Co(4-ampy)4(NCS)]2·CO2 complex compound was successfully synthesized using the reflux method from the reaction between CoCl2·6H2O, 4-aminopyridine, and KSCN in methanol solvent for 6 h at 64 °C. The synthesized compound is a dark purple cube-shaped crystal with a melting point of 209 °C. FTIR test showed the presence of isothiocyanate anion at...

p>This study focused on examining how the Station Rotation model and self efficacy in their abilities affect their critical thinking and literacy skills in primary schools. The study engaged 217 students from 5 schools in Malang City, Indonesia. They were divided into an experimental cohort (n=105) and a control cohort (n=112), with ages ranging fr...

p style="text-align:justify">Changes and challenges in the highly dynamic world of education require postgraduate students to manage their learning well and create something from their creative thinking according to the needs of the field. One of them is the activity of students in developing integrated natural science teaching materials is very ne...

The reaction of AgSCN with 2-aminopyridine in ammonia solution produces the colorless crystal of catena-poly [Ag(SCN))(C6H5N2)]n. The crystals were characterized by FTIR analysis and single crystal X-Ray diffraction. The silver(I) ion bind to one N atom of 2-aminopyridine, one N atom of thiocyanate and two S atoms of two thiocyanates to form a pseu...

STEM (Science, Technology, Engineering, and Mathematics) dan STEAM (Science, Technology, Engineering, Arts, and Mathematics) melawan CT (Computational Thinking) berperan penting dalam pembelajaran sains. Penelitian ini bertujuan untuk melihat penelitian terbarukan terkait pengaruh STEM dan STEAM terhadap kemampuan CT. Kajian dilakukan berdasarkan 3...

Background The well‐aligned proton exchange membrane (PEM) developed through magnetic field treatment has had a significant impact on the chemistry community related to fuel cell technologies. This is because it possesses advanced proton transport properties that can be efficiently utilized in energy storage devices. The aligned membrane boasts exc...

Artikel pengabdian ini bertujuan untuk mengoptimasi pembelajaran kimia melalui peningkatan pemahaman bersama dan pendampingan bagi para guru MGMP Kimia dalam implementasi kurikulum merdeka di Kabupaten Lumajang. Kurikulum merdeka memberikan kebebasan bagi guru dalam menyusun materi pembelajaran yang sesuai dengan kebutuhan dan potensi siswa. Namun,...

This study airms to examine differences in understunding the concept of magnets and arguments about magnets at different grade levels. This type of research is survey research. The research subjects consisted of 188 students spread across different grade levels and school in the city of Kupang, namely class VI of elementary school, class VII of jun...

Berpikir kreatif dan metakognitif termasuk dalam ranah berpikir tingkat tinggi yang melibatkan kontrol aktif dalam proses kognitif untuk memecahkan suatu masalah. Berbagai upaya untuk meningkatkan penguasaan berpikir kreatif dan keterampilan metakognitif sangat diperlukan, salah satunya melalui penggunaan buku model pembelajaran kolaboratif berdasa...

Three zinc(II) complexes containing 4-aminopyridine (4-NH2py) [Zn(4-NH2py)2(NCS)2] (1), [Zn(4-NH2py)2Cl2] (2), and [Zn(4-NH2py)2(NCS)Cl] (3) were synthesized and characterized by FTIR and single crystal X-ray diffraction. All complexes adopt a slightly distorted tetrahedral geometry with different crystal packing. Complex 1 crystallizes in the orth...

Keterampilan berpikir kritis/ Critical Thinking (CT) adalah salah satu kompetensi yang harus dikuasai siswa dalam pembelajaran abad 21. Berbagai upaya dilakukan pendidik untuk meningkatan keterampilan berpikir kritis siswa selama proses pembelajaran. Hal ini terlihat dari pesatnya perkembangan penelitian terkait topik ini dalam dua dekade terakhir....

The limitations of inquiry-based learning tools have an impact on the low critical thinking skills of elementary students in science learning. This study aims to examine the effectiveness of inquiry-based learning tools to improve critical thinking skills. The study design is a quasi nonequivalent control group experiment. The experimental class wa...

This study aims to analyze prospective science teachers’ information literacy and scientific argumentation skills and their correlations in online learning during the COVID-19 pandemic. This survey research with a cross-sectional design involved 342 students from a state university in Surabaya. The survey was given online to all respondents with a...

Two complexes of [Mn(Quin)2(N(CN)2)2]∞ (1) and [Co(Quin)2(N(CN)2)2]∞ (2) were synthesized and characterized. The as-synthesized complexes crystallized in a triclinic lattice with a space group of P-1. The unit cell parameter of 1 was a = 7.5207(14) Å, b = 7.7729(16) Å, c = 9.5968(15) Å, α = 96.388(6) o, β = 112.617(5) o, γ = 102.751(6) o, while for...

The Ni(2-ampy)2[N(CN)2]2 complex has been successfully synthesized using the reflux method and has been characterized. The complex (blue cubic) was characterized by melting point, FTIR, and XRD tests. Melting point measurement gave 245oC at ambient pressure and the colour turned from blue to green. FT-IR analysis indicated some vibrations of 2-amin...

Penelitian ini bertujuan untuk menganalisis trend penelitian miskonsepsi kimia peserta didik pada tingkat SMA dan instrumen diagnosisnya. Metode penelitian ini menggunakan metode Systematic Literature Review (SLR). Data penelitian diperoleh, dari 20 artikel yang diseleksi pada basis data Eric, Scopus, Google Schoolar, Crosccef yang terindikasi dari...

The synthesis of copper(II) or Nickel(II) complex with bis-2,4-dimethoxy-1,3,5-triazapentadiene ligand has been reported using a direct reaction and reflux method. These methods take a relatively long synthesis time, so it is necessary to develop a faster synthesis method. This study reports a solvothermal method to synthesize bis-2,4-dimethoxy-1,3...

This study aimed to examine the impact of context-based chemistry learning on cognitive, affective, psychomotor, and social aspects of students, integration of context-based learning with chemistry learning models or strategies, and implementation of effective context-based chemistry learning. A total of 34 articles for further analysis were obtain...

While collaborative problem-based learning (PBL), particularly in Western nations, has been researched and shown to be beneficial in enhancing students' metacognitive skills, it is still sparingly used in Asian nations like Indonesia. This study's goal was to learn more about the potential benefits of cooperative PBL on students' metacognitive skil...

Learning activities become teaching and learning activities that are quite complicated and challenging. As for a learning model that can be applied, namely the collaborative learning (CL) model with problem-based learning (PBL). This model is like providing space in developing students' social skills. Thus, with the initiative of the researcher to...

Collaborative Learning (CL) is a learning model that implies cooperation in a group consisting of two or more people to achieve a common goal while respecting each individuals contribution as a whole. CL is more synonymous with social interaction. In the learning process, the centre of attention is the interaction of educators with students, intera...

The implementation of Case-Based learning in chemistry learning has grown rapidly in the last ten years. To find trends and issues in the application of case-based learning in chemistry learning, a systematic review is needed. This study aims to analyze the types of CBL and forms of CBL cases used in chemistry learning. The research method used is...

Low-density polyethylene (LDPE) is a plastic that cannot be degraded naturally. Therefore, processing is needed to prevent pollution from this plastic waste. In this research, LDPE plastic was processed into activated carbon and then composited with magnetite nanoparticles using the coprecipitation method with variations in the ratio of activated c...

This study intends to determine (1) the relevance of the practicum e module to the curriculum in chemistry learning; (2) the validity of the chemistry practicum e-module from various applications; and (3) the effectiveness of the application of the Ethnoscience-integrated chemistry practicum e-module in chemistry learning. This study uses the Syste...

Currently in the era of globalization in the 21st century, students are required to master various abilities and thinking skills. Students' abilities do not develop well with learning that only focuses on training in convergent thinking without providing problems that students must face. As a result, students have difficulty in developing and impro...

This research aims to determine differences in students’ conceptual and critical thinking of XI High School Students that teach using Problem Based Learning-STEM strategy on learning chemical equilibrium. This research use design quasi-experimental factorial 2x2 design with convenience sampling. Instruments used in this research are students’ conce...

Misconceptions are defined as wrong ideas or views of a person's concept different from the scientific concepts formulated by experts in their field. It must be reduced immediately so as not to hinder the process of understanding the next interconnected matter. Reducing students' misconceptions can be done through remedial learning. This study aime...

Green chemistry in chemistry learning has been a central issue in chemistry education research the last ten years. The objectives of this literature review are: a) to map green chemistry research topics in chemistry learning the last ten years; b) to find out the opportunity for the implementation of Green chemistry in chemistry learning. The resea...

Green chemistry in chemistry learning has been a central issue in chemistry education research the last ten years. The objectives of this literature review are: a) to map green chemistry research topics in chemistry learning the last ten years; b) to find out the opportunity for the implementation of Green chemistry in chemistry learning. The resea...

This study aims to synthesize complex compounds from the Co(II) ion with mixed ligands of 2-aminopyridine and thiocyanate ions. The complexes obtained have Co(II) : 2-aminopyridine: thiocyanate ratio of 1:2:2 based on preliminary analysis by SEM-EDX, DHL, and FTIR. The complex in the form of a blue needle crystal is stable at room temperature and m...

ABSTRAK Sudah diselesaikan kegiatan workshop tentang penguatan materi ikatan kimia, penguatan materi kimia koordinasi dan penulisan karya ilmiah pada diskusi bersama musyawarah guru matapelajaran (MGMP) Kimia SMA Kabupaten Malang. Tujuan penataran adalah memahami pandangan guru-guru kimia terhadap pelaksanaan kegiatan tentang penguatan materi ikata...

The synthesis of ionic complexes of cadmium(II) chloride and cobalt(II) chloride with N,N'-diethylthiourea (detu) ligands has not been previously reported. Therefore, in this research, the synthesis was carried out to study the structure and characterization of the two ionic complex compounds. The cadmium(II)-detu ionic complex was synthesized usin...

p> Abstract: The purpose of this study is to investigate effect of the Argument Driven Inquiry model on the scientific argumentation skills of 11^th grade students in terms of goal orientation. A quasi-experimental research design is a 2 x 2 factorial. The study involved an experimental group (ADI) and a control group (Inquiry) each consi...

Game-based learning attention to the design of learning and game that can help the learning process be fun, creative, innovative, and not boring. This research aimed to review empirical research articles in chemistry learning using the Systematic Literature Review (SLR) method is to identify, analyze, and interpret the findings on the research topi...

The development of complex compounds as antibacterial continues to be carried out to overcome cases of microbial resistance. One of them is the development of complex compounds with thiocyanate and aminopyridine ligands which show good potential as antibacterial. Complex compound of zinc(II) chloride with thiocyanate and 2-aminopyridine ligands was...

p> Abstract: Argumentation is an important activity in scientific exploration which has been agreed as a major component in science education. Quality argumentation skills are formed with the understanding of concepts owned by students. The current low level of argumentation skills is caused by the learning process. Application of guided inquiry le...

Bibliometric analysis related to cooperative learning methods is a new theme and has never been studied. The research pattern related to cooperative learning methods is still uncharted and it is not known how effective it is when analyzed from several previous studies. Cooperative learning chemistry concepts provide suitable solutions for improving...

In developing student creativity, it is still a topic of discussion from various experts, especially at the university level, which is related to the optimization of the right brain as a student which is used to increase creativity and imagination. With this assumption, it is imperative in efforts to develop creativity for students that it is very...

Pollution is serious environmental problem. One of causes of pollution is the presence of heavy metals. Besides heavy metal, there are plastics that cause serious problem in environment because they are difficult to decompose. These two problems appear an idea about synthesizing activated carbon-magnetite (Fe3O4) composite based on polyethylene tha...

The learning model during the pandemic is still teacher-centered so that most students experience problems in learning science. The purpose of this study was to measure the implementation of guided inquiry assisted by interactive multimedia on scientific literacy skills, learning outcomes of fifth-grade elementary school students. This research is...

Increasing the metacognitive abilities of chemistry students is an indisputable output of the teaching and learning process today. Collaborative problem based learning is a learning method that has been tested and proven to be applied, especially in Western countries in increasing the metacognitive abilities of students, but it is still very minima...

Low Vocational High School students' perception and achievement towards Chemistry has been a critical issue. Various studies have been carried out to find a proper solution for such issue. In Indonesia, Vocational High School aims to produce skillful graduates who are ready-to-work in the relevant area. In Vocational High School, Chemistry is a sup...

div align="center"> Abstract: The aims of this study to examine effect of the learning cycle 5E model assisted by e-scaffolding on the conceptual in learning the reaction rate of students with different achievement motivations. The application of the learning model learning cycle 5E assisted by e-scaffolding is used to teach students to be able to...

p> Abstract: Laboratory-based learning is learning that aims to develop an understanding of scientific content, problem-solving skills, science skills and understanding. This study aims to determine the effect of guided inquiry laboratory on critical thinking skills in terms of students' initial abilities in the material reaction rate. The research...

This study aimed to examine the effect of the Learning Cycle 4E-RE on the vocational school students’ chemistry learning outcomes in light vehicle engine maintenance subject. The research subjects were 164 Vocational High School (SMK) students majoring in Technology and Engineering, the Automotive Engineering expertise program, consisting of 100 st...

The purpose of this study was to describe the effect of ADI-based SETS on students’ conceptual understanding and scientific argumentation skills learned from different cognitive styles in buffer solution learning. The design used in this study was a quasi-experimental post-test only control group with a non-equivalent design of the factorial versio...

Critical thinking skills are abilities that a person should has in the modern era. Students who learn Chemistry practice their critical thinking skills to make decisions, pose a reasoning to solve a problem by collecting information, making hypotheses, and analyzing data. The aim of this research is to describe the effect of inquiry with STEM to cr...

The damage of natural equilibrium nowadays requires urgent action. All global changes we face are the forms of self-reorganization process in nature. The long history of chemistry creates the means for overpowering nature for natural resources exploitation, for the sake of humankind. Chemistry is one of the key sciences to understand natural change...

In COVID-19 pandemic condition, all information is demanded to be accessed quickly, precisely, and accurately. Information that has high speed, accuracy, and accuracy can be used as a good source of learning. learning resources are all things that can be used to help implement independent learning. Learning resources commonly used in chemistry, one...

Potassium ion battery (PIB) is an alternative to replace Lithium ion battery (LIB). In this study, amount of Ni ²⁺ is added to substitute of Cr(III) on Cr 2 O 3 . The purpose of this study is to determine the effect of adding Ni ²⁺ ions to Cr 2 O 3 and to test its potential as anode of PIB. Synthesis used the coprecipitation method followed by calc...

p> Abstract: This research was conducted with the aim of testing the influence of guided inkuiri strategies assisted by interactive multimedia and learning motivation on the learning outcomes of elementary school students. This research uses quasi experimental design. Research subjects of 60 elementary school students. The instruments used were que...

The voltaic cell teaching materials used in high school are still in the form of textbooks that do not present multiple representations of chemistry, namely the macroscopic, submicroscopic, and symbolic levels. The three levels of chemical representation can be visualized using flipbook teaching materials so that students are expected to understand...

Study of complex compounds structures of zinc(II) chloride and cadmium(II) chloride with potassium cyanide and N,N’-diethylthiourea (detu) as compound A and B, respectively, have not been reported. Therefore, the synthesize of those complex compounds had been carried out to study their structure prediction. In this research, compounds A and B were...

Applications of quadcopter or hexacopter have helped many scientists and engineers find lots of easiness for survey purposes, particularly in terms of accelerating data collection with high accuracy. For the unmanned aerial vehicles (UAV) to be performing that kind of superior characteristic, direct-current brushless motor plays a very crucial role...

Studies in the area of chemistry teaching discovered that problem-based learning strategies (PBL) effectively improve students’ conceptual understanding. However, there is minimal information about the effectiveness of PBL if it is applied with multiple representations (MR) for the students with different learning preferences. This study aimed to p...

Prussian Blue Like (PBL) compounds that are potentially used as K-Ion Battery (KIB) electrodes have been synthesized from zinc(II) chloride and quinoline (Qn) precursors combining melting and direct reaction method. The formed K2[Zn(Qn)2][Co(SCN)6] compounds melt in range 179-181°C with conductivity value reaches 468 μS/cm. Thiocyanate and quinolin...

Studying hydrocarbon material requires ability in problem solving so students are able to identify, analyze, and describe abstract chemical concepts and principles into concrete. The purpose of this study was to the improving of students' hydrocarbon problem solving abilities through the SAVI learning model assisted by puzzle media. The research de...

Potassium ion-based batteries have potential as cathode for replacement lithium-ion battery. Prussian Blue-Like (PBL) compounds are one of a candidate for potassium ion battery. In this study, we synthesized the PBL compound using zinc chloride, quinoline, chromium(III) chloride, and potassium thiocyanate with a mole ratio of 1:2:1:6 and as well as...

This study aimed to investigate the effects of metacognitive strategy on students’ metacognitive knowledge and achievements. The design of this study was a quasi-experimental with nonequivalent control group design. The research subjects were two classes of 11th-grade public high school students in Malang Regency, Indonesia. One class was taught wi...

This research has been conducted to determine the effect of the Learning Cycle 4ERE (LC 4ERE) model on the learning motivation of vocational students in chemistry subjects. The study examined the influence of the LC 4ERE learning model on the motivation to learn adaptive chemistry of vocational students and how vocational students learning motivati...

p> Abstract: This research aimed to find out the differences HOTS and learning outcomes between Problem Based Learning model and conventional, uses types of research a quasi-experimental. The results of this study indicate that: There is a significant difference HOTS between experimental class students and control class students, there is a signifi...

Peningkatan kualitas pembelajaran dengan menerapkan pembelajaran STEM sebagai suatu pendekatan preventif diharapkan mampu membantu siswa memaknai pembelajaran khususnya sains sehingga berimbas pada peningkatan keterampilan argumentasi. Pendekatan STEM disajikan sebagai jawaban atas tuntutan kebutuhan generasi berkualifikasi tinggi yang terfokus pad...

The purpose of research is determine the effectiveness of teaching materials based contextual elements of group 15 for the course of inorganic chemistry. The research design is one group pretest-posttet only. Subjects were students of Chemistry Education University of Palangka Raya as many as 47 people. Based on the research results, is obtained pe...

Capabilities include competence, self-efficacy; self-confidence; self-discipline; to be responsible; self-initiative; and metacognition and what someone will bring to the workforce. This research strives to analyze the capability preferences of the prospective teacher in terms of learning independence. This descriptive study uses learning methods....

This research aimed to identify the effects of inquiry-based learning on the conceptual understanding of students with various learning styles in the multimedia learning environment. This research was factorial experiment with the quasi-experimental design. There were total of 157 primary school students in Bali, Indonesia being involved as the sub...

Capabilities include competence, self-efficacy; self-confidence; self-discipline; to be responsible; self-initiative; and metacognition and what someone will bring to the workforce. This research strives to analyze the capability preferences of the prospective teacher in terms of learning independence. This descriptive study uses learning methods....

Here we report our effort to integrate microcontroller to control AC current-generating MOSFET H-bridge circuit-based device. We have carried out the tests of the potential application of the induction heating generated by the device for material synthesis by controlling the variation of AC current at constant frequency value. The results showed th...

We report a large-scale solid-state synthesis of non-stoichiometric Zn5S2 powders at considerably low (400 K) sintering temperatures. The DTA measurement has been carried out to reveal the temperature dependence phase transformation of the samples. Our best powder XRD refinement analysis so far shows that the studied compound belongs to monoclinic...

enelitian ini bertujuan untuk mengetahui perbedaan kemampuan berpikir tingkat tinggi antara siswa yang dibelajarkan dengan model project based learning (PjBL) dan siswa yang dibelajarkan dengan model konvensional yang ditinjau dari motivasi berprestasi. Penelitian ini merupakan quasi eksperiment dengan rancangan non equivalent control group. Data p...

Tujuan dari penelitian ini adalah untuk mengetahui efektifitas problem posing pada learning cycle 5E dalam meningkatkan hasil belajar dan kemampuan berfikir tingkat tinggi. Problem posing diterapkan pada fase explanation dan fase elaboration. Rancangan penelitian menggunakan quasi experimental dengan posttest only non equivalent control group desig...

Tujuan penulisan ini adalah untuk mengetahui bagaimana cara melakukan penilaian proses pada pembelajaran berbasis inkuiri. Penulisan ini menggunakan kajian literatur melalui telaah jurnal, hasil penelitian yang relevan, dan buku sumber. Hasil analisis menunjukkan bahwa proses penilaian dapat dilakukan pengajar dalam pembelajaran dengan strategi ink...