In the era of globalization and the demands of the Asean Economic Community (MEA) requires quality human resources. According to the 2019 PISA survey, Indonesia is ranked 72 out of 77 countries and the 2013 curriculum requires students to work on high-level thinking chemistry questions. Based on the results of interviews with chemistry teachers at SMAN 1 Pekanbaru, MAN 1 Pekanbaru, and SMAN 14 …
Chemistry is an abstract conceptual understanding and algorithmic understanding. This study aims to find out the concepts that are misconceptions and the percentage of misconceptions in students chemical bonding material. This study uses a descriptive method with a quantitative approach. Analysis misconceptions are carried out at SMA Negeri 1 Pangkalan Kerinci, using a four-tier multiple choice…
This study aims to analyze the feasibility of the four tier multiple choice diagnostic test instrument, to find out on what concepts students have misconceptions and find out the category of students' misconceptions on the reaction rate material. This study uses quantitative descriptive research methods. The population in this study were all students of class XII MIPA SMAN 2 Pekanbaru, while th…
This study aims to produce an interactive e-module (electronic module) product using sigil software on the subject of valid chemical bonds according to material and media experts based on aspects of content feasibility, presentation, language, graphics and software utilization as well as user response. This study uses an R & D design (research and development) with the ADDIE development mo…
This research aims to develop Student Activity Worksheet on hydrocarbon compounds based on the SIMAS ERIC Model. Student Worksheet Based are designed according to the stage of the SIMAS ERIC learning model. The type of this research is research and development (R and D) with reference to the development process of 4-D. The object of this research is student activities worksheets based on Simas …
This study aims to develop Osborn-based worksheets on the subject of Acids and Bases for class XI SMA/MA, determine the validity of worksheets based on content feasibility aspects, Osborn characteristics feasibility aspects, linguistic aspects, presentation aspects, graphic aspects and determine user responses to the developed worksheets. This type of research is research and development with a…
Advances in science and technology can now be used to develop the quality of education. Information technology represented by computers has now been widely used as multimedia in learning. The purpose of this research is to develop androidbased learning media using the Adobe Animate application on colloidal subjects for class XI MIA SMA/MA with valid categories based on 4 aspects, namely de…
This development research aims to develop LKPD based on Introduction, Connection, Application, Reflection, Extencion (ICARE) on the subject of ion equilibrium and pH of a valid saline solution. This research is a development research (R&D) that uses the ADDIE model (Analysis, Design, Development, Implementation, Evaluation) but this research only reaches the Development stage. The research…
The development of a chemistry e-module based on phenomenon-based learning in thermochemistry material is required due to problems observed in multiple schools, including SMAN 2 Tapung Hulu, SMAN 3 Tapung, and SMAN 5 Tapung in Kampar Regency. The problems discovered are students' low critical thinking skills, particularly on thermochemistry material; the availability of innovative, interes…
The development of interactive multimedia by articulate storyline application aims to develop an innovative and independent learning media for 11th grade students at Senior High School (SMA) on Thermochemistry subject matter. This research was designed using Research & Development (R&D) design with Plomp development model. Expert assessments (validation sheets) and user (teachers and students) …
The ability of students to solve problems is still low, so an instrument for evaluating critical thinking using media is needed. This study aims to produce an evaluation instrument for critical thinking using the software iSpring QuizMaker on ion balance material and the pH of a valid salt solution according to material and media experts, knowing the validity, reliability, level of difficulty, …
The development of PQ4R-based electronic activity sheet on the subject of ionic equilibrium and pH of buffer solutions aims to develop a valid electronic activity sheet and determine user responses in learning. The research method used is the research and development (R&D) method by applying a 4D development model which includes Define, Design, Develop and Disseminate, pandemic conditions that …
Students' understanding of stoichiometric material can be seen from the average value of student learning outcomes at SMAN 5 Pekanbaru and SMAN 8 Pekanbaru which is still below the standard set by the school. This study aims to determine the types and causes of errors made by high school students in working on stoichiometry questions based on the Newman procedure. The form of research used by t…
This Research aims to develop an ICARE-based module on ion balance material and the pH of salt solutions. This development research uses a 4-D model (Define, Design, Develop, Disseminate). The research was only carried out until the develop stage and followed by user response testing. The data collection instruments used were in the form of validation sheets and user response questionnaires. Va…
This research aims to develop HOTS questions with wondershare quiz creator on ionic balance and pH buffer solution for class XI SMA/MA. The research method used is research development (R&D) with the Plomp model. The research used the Plomp model which was carried out in four stages are preliminary investigation, design, realization/construction, validation, test and revision and implementa…
This research is directed to develop e-worksheets based on contextual teaching and learning (CTL) using the Web Sway Office on acidic and alkaline materials as a valid teaching material and knowing the user's response to the developed e-worksheets. This type of the developed research is research and development using 4-D development model namely defines, designs, develops, and disseminates…
The purpose of this research is to know: (1) The process of activity sheet development based on Discovery Learning to improving students' critical thinking ability, (2) The validity of activity sheet is based on the application stages of Discovery Learning, the teacher's and students respond toward activity sheet based on Discovery Learning, that is developed for high school, (3) The students' …
The Creative Thinking Ability Assessment Instrument is a tool used to measure students' thinking skills based on available information data, find many possible answers to a problem or be able to find many ways to solve a problem. An assessment instrument will be developed according to indicators of creative thinking skills and integrated with hydrocarbon materials. Hydrocarbons are compounds de…
This development research aims to develop a LKPD based on the MEA Model on the subject of valid ion balance and pH of saline solution. This research is a development research (R&D) which refers to the 4D stage, but this research only reaches the Development stage. The research instruments used were validation sheets and user response questionnaires. The assessment on the validation sheet is giv…
The research that has been done is the Application of Problem Based Learning Model to Improve Concept Understanding and Confidence in Chemical Bonds Learning Materials in class X MIA 1 SMA Negeri 13 Pekanbaru. This research is motivated by the condition of the learning model in the field which is only centered on the teacher (teacher center) so that students do not play an active role in t…