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This study aims to explore the role and impact of the development of digital payment systems, particularly the Quick Response Code Indonesian Standard (QRIS), on the financial management practices of out-of-town students in the 2024 cohort. Using a descriptive qualitative approach and data collected through open-ended questionnaires distributed to 50 students of the Accounting Study Program at UPI, the research examines sources and management of monthly funds, the influence of QRIS on consumptive behavior, the role of QRIS in daily transactions, the handling of unexpected expenses, and students' financial awareness. The results indicate that QRIS is widely used for daily spending transactions, especially for purchasing food and beverages, due to its practicality and convenience. However, the findings also suggest a tendency for increased consumptive behavior among students who use QRIS. Nonetheless, a small portion of students reported that QRIS facilitates easier control over spending through visibility of balances and transaction histories. This study highlights the importance of financial literacy alongside the adoption of digital payment technologies to optimize students' financial management.

This study aims to develop a Riau cultural literacy module for elementary school students' narrative text writing skills that is valid, practical, and feasible to use. The method used in this study is Research and Development (R&D) with a 4D development model, which includes four stages: Define (needs analysis), Design (design), Development (development), and Disseminate (dissemination). The developed module was validated by three experts, namely teaching material experts, material experts, and language experts. Meanwhile, the practicality aspect was assessed through a practicality questionnaire given to teachers and students during a limited trial. Data collection techniques in this study include interviews, observations, and questionnaires. The data obtained were analyzed using quantitative analysis techniques and qualitative descriptions. The validation results showed that the developed teaching materials met the valid criteria with an average percentage of 96.1%. Meanwhile, the level of practicality of teaching materials based on the teacher's practicality questionnaire reached 83.3% with the category of "very practical," and the student's practicality questionnaire obtained a result of 90.3% with the category of "very practical". Based on the results of the validation and practicality test, it can be concluded that the elementary school Riau cultural literacy module has met the valid and practical criteria, so it is suitable for use in learning.

This study investigates the solutions of electrical current in linear circuit systems using two numerical methods implemented in MATLAB: the Matrix Inverse Method and the Gauss-Jordan Elimination Method. The objective is to analyze the effectiveness, accuracy, and computational efficiency of both techniques in solving systems of linear equations derived from Kirchhoff's laws. Several circuit models with varying levels of complexity are tested to compare results obtained from each method. The findings indicate that both methods yield consistent solutions, although differences in computational steps and processing time are observed. This research highlights the practicality of MATLAB as a powerful tool for electrical circuit analysis and provides insights into the selection of appropriate numerical methods for solving engineering problems.

This study aims to develop learning media based on wall magazine (mading) and dice for teaching multiplication to second-grade students at SD Negeri 212 Palembang. The research employs the Research and Development (R&D) method using the ADDIE model, which includes Analysis, Design, Development, Implementation, and Evaluation stages. After the media was developed, validation was conducted by content experts and media experts to assess its feasibility, as well as trials by practitioners and students to evaluate the practicality and effectiveness of the media. The validation results showed a feasibility score of 87% from content experts and 94% from media experts. Practitioners gave a practicality score of 92%, indicating that the media is very practical for use in teaching. Student trials were carried out in three stages: one-to-one with a practicality score of 98%, small group with 99%, and a field test involving 26 students showed an effectiveness level of 96%. This wall magazine and dice media is effective and practical to be used as learning media for teaching multiplication to second-grade elementary school students.

This study aims to develop an interactive learning media based on android using a valid and practical smart app creator to improve students' understanding of the SPBI course in the Industrial Automation Engineering Department of SMK Negeri 1 Pariaman. This study uses the Research and Development (R&D) method with the ADDIE model as a guideline in the development process. The results of this study provide evidence that the interactive learning media created falls into the "Valid" category. This is proven based on validation carried out by material experts with a validity value of 87% (0.870) and validation carried out by media experts with a validity value of 92.11% (0.921). Furthermore, a Media Practicality Test was carried out by class XI students of SMK Negeri 1 Pariaman with a practicality value of 91.60% (0.961) falling into the Very Practical category.

Education is one of the key aspects in developing high-quality human resources. Along with the advancement of time, teachers are expected to create effective learning media in the teaching and learning process. Learning media should also be adapted to students’ learning styles, such as visual, auditory, and kinesthetic.The purpose of this study is to develop and test the feasibility, practicality, and effectiveness of an IPS (Social Studies) magazine as a learning medium for Grade VIII students at SMPN 3 Kedungwaru Tulungagung. This research is a development study using the ADDIE R&D model. Data were collected through interviews, needs and learner characteristic analysis, feasibility and practicality questionnaires, as well as pretest and posttest results.The findings of this study show that the IPS magazine is highly feasible, with a feasibility percentage of 89.91% from material experts and 91.18% from media experts. The practicality results based on teacher questionnaires reached 94.87%, and student responses reached 88.62%, indicating that the IPS magazine is highly practical. The effectiveness of the media was proven through the Paired Sample Test, which showed a significance value of 0.000 < 0.05, indicating a difference in results before and after using the IPS magazine. Therefore, the IPS magazine is considered effective for use in the learning process.

This research is motivated by the problem of the available LKPD still not being This research is motivated by the problem of the available LKPD still not being optimal in terms of development and use so that students are less interested in participating in learning. This is due to the lack of teacher motivation in creating innovative LKPD. Have never developed Student Worksheets (LKPD) based on Project Based Learning (PjBL) in learning, especially in science and science learning. Based on these problems, this research aims to develop PjB-based LKPD for science and science learning in class IV elementary schools that is valid, practical and effective. The type of research carried out is development research using the ADDIE development model. The test school was class IV students at SDN 12 Sintuk Toboh Gadang, while the research school was class IV students at SDN 11 Lubuk Alung. The research results obtained that the LKPD had a material validity level of 84.9%, language validity 88.8%, media validity 87.5% in the valid category. while the practicality test at the trial school obtained a percentage of 93.33%, for the teacher response questionnaire and 93.4% for the student response questionnaire in the very practical category. Furthermore, the practicality test at the research school obtained results of 90% for the teacher response questionnaire and 92.16% for the student response questionnaire in the very practical category. In the LKPD effectiveness test in the trial school the percentage was 89.64% and in the research school the percentage was 93% with both categories being very effective. It can be concluded that PjBL-based LKPD in grade IV elementary school science learning can be declared valid, practical and effective for use in the learning process.

This research is motivated because the teaching materials used are still conventional and students' understanding of problem solving is still in the low category. Therefore, this study aims to develop research and improve the validity, practicality and effectiveness of the Science learning module for Class V MI Muhajirin, Jambi City. Reach and Development (R&D) consists of four stages, namely, define, design, develop and disseminate. This type of research is Research and Development (R&D). This research was conducted at Madrasah Ibtidaiyah Al-Muhajirin, Jambi City. The instruments used were assessment questionnaires, teacher and student interview sheets along with test questions. The subjects in this study were grade V students consisting of 20 students. The results of this study indicate that the level of validity of the application of the learning module shows a percentage of 80% included in the very effective category, the level of practicality shows 92.8% with a very practical category and the level of effectiveness shows a percentage of 64.2% with a very valid category.

This research is motivated because the teaching materials used are still conventional and students' understanding of problem solving is still in the low category. Therefore, this study aims to develop research and improve the validity, practicality and effectiveness of the Science learning module for Class V MI Muhajirin, Jambi City. Reach and Development (R&D) consists of four stages, namely, define, design, develop and disseminate. This type of research is Research and Development (R&D). This research was conducted at Madrasah Ibtidaiyah Al-Muhajirin, Jambi City. The instruments used were assessment questionnaires, teacher and student interview sheets along with test questions. The subjects in this study were grade V students consisting of 20 students. The results of this study indicate that the level of validity of the application of the learning module shows a percentage of 80% included in the very effective category, the level of practicality shows 92.8% with a very practical category and the level of effectiveness shows a percentage of 64.2% with a very valid category.

The aim of the research is to develop the Box Magic Alphabet Educational Game Tool, understand the characteristics, test practicality, ensure effectiveness and describe the difficulties experienced by students and educators in using the Box Magic Alphabet Educational Game Tool. The method used is Research and Development research using the ADDIE development model. The results of this research are: (1) The Box Magic Alphabet Educational Game Tool Development Process was developed using the ADDIE model. Based on the results of the Box Magic Alphabet product assessment instrument, it is said to be very good as a learning medium for students to recognize letters. The Box Magic Alphabet product that was developed also produced a guidebook created to make it easier for teachers in the process of making and using the Box Magic Alphabet. (2) Characteristics of the Magic Alphabet Box Educational Game Tool which has the characteristics of being simple, interesting, fun, durable and long-lasting, easy to use and can improve aspects of student development. (3) The effectiveness of the Box Magic Alphabet educational game tool in introducing letters to early childhood as an effective learning medium. This is because the existence of educational game tools can make it easier for teachers to convey information through the media provided, with a percentage value reaching 92% and is considered very valid. (4) The practicality of the Magic Alphabet Box Educational Game Tool in introducing letters to young children can be seen from its simple use, it does not confuse children and is also easy for teachers to practice, with a percentage score of 96% and is considered very valid.

This study is founded on the issues identified, specifically the dearth of learning resources, the LKPD's lack of training in mathematical critical thinking, and the fact that the LKPD that is currently available was created by educators who did not follow a scientific methodology, which has led to students' low levels of mathematical critical thinking. In order to educate mathematical critical thinking skills in class VIII MTsS Asy-Syarif Koto Laweh for the 2023–2024 academic year, this project intends to produce LKPD based on a scientific approach that satisfies the requirements of validity, practicality, and effectiveness. Using Sugiyono's development paradigm, this study is called research and development, or R&D. Student answer surveys, mathematical critical thinking ability assessments, and validation sheets are the equipment. The techniques for data analysis that are employed are validity analysis, practicality analysis, analysis of effectiveness. Based on development study conducted, LKPD is obtained with a validity level of 84.2%, of which 82.33% are on extremely practical criteria, 78.94% are on effective criteria, and 82.33% are on highly valid criteria for the level of practicality. We may conclude that the LKPD Asy-Syarif Koto Laweh created, which is based on the Scientific Approach to Train Mathematical Critical Thinking Skills in Class VIII MTsS, satisfies the requirements of being valid, practical, and efficient.

This research was motivated by the problems found, namely the lack of learning media, the LKPD used had not trained mathematical problem solving abilities, the existing LKPD was LKPD created by educators who had not been connected to Islamic teachings, resulting in a decline in students' mathematical problem solving abilities. This research aims to produce LKPD integrating Islamic values to train problem solving skills in class This research is development research or RnD using the Sugiyono development method. The instruments used were validation sheets, student response questionnaires, and mathematical problem solving ability tests. The data analysis techniques used are validity data analysis, practicality analysis, and effectiveness analysis. Based on the development research that has been carried out, an LKPD with a validity level of 80% is in the valid qualification, for the practicality qualification, namely 78.41% is in the practical criteria, and for the effectiveness level, namely 80,76% is in the effective qualification. It can be concluded that the LKPD integrates Islamic values to train mathematical problem solving abilities  which was developed including valid, practical and effective criteria.

This study aims to develop and evaluate Prezi-based audiovisual learning media on biographical text material for class X students of SMK Swasta Kristen Tomosa 1. The development of this media uses the Research and Development (R&D) method with the ADDIE model which includes five stages: analysis, design, development, implementation, and evaluation. The results of the study indicate that Prezi-based audiovisual media has very good feasibility based on validation from three experts: material experts reaching (76.2%), language experts reaching (82.8%), and design experts reaching (85.7%). The practicality of the developed media is assessed through student response questionnaires in small group trials reaching (87%), which indicates that this media is very practical to use in learning. The effectiveness of the developed media is measured by the results of student learning tests, which show a percentage completion of 100% with an average score of 90, which meets the Learning Objective Achievement Criteria (KKTP). Based on these results, it can be concluded that Prezi-based audiovisual media is feasible, practical and effective to use for learning biographical text material at SMK Swasta Kristen Tomosa 1.

This study aims to develop a Canva-based Digital Scrapbook as a learning medium for negotiation texts for tenth-grade students at SMK Negeri 1 Sogae'adu. The research uses the Research and Development (R&D) method with the Borg and Gall model, which includes ten steps: identifying problems, collecting data, designing products, validating designs, revising, product testing, revising, usage testing, final revisions, and mass production. The product trial was conducted with 6 students from class X MP 2, and the usage trial with 33 students from class X MP 1. The media was validated by three experts: material, language, and design. Material validation reached a score of 60 out of 60 (100%), language validation scored 40 out of 40 (100%), and design validation showed high feasibility. The practicality of the media, based on student questionnaires, was 91%. Effectiveness was shown by increased post-test scores, with 81% of students meeting the learning completeness criteria. The results indicate that Canva-based Digital Scrapbook media is highly feasible, practical, and effective for learning negotiation texts. This media improves student engagement, concept understanding, and interest. It supports student-centered learning and fits the needs of 21st-century students who prefer interactive, and visual, and creative approaches to understand material better.

This study aims to develop Genially-based teaching materials for the topic of news text writing for Grade VII students at UPTD SMP Negeri 5 Gunungsitoli. The research method used is Research and Development (R&D) with the Borg and Gall model, which consists of ten stages ranging from identifying potentials and problems to mass production. The research subjects were students from class VII-E (6 students: 3 male and 3 female) and class VII-D (31 students: 15 male and 16 female). The validation results of the teaching materials indicated a very high level of feasibility, with scores from three experts: material expert (100%), language expert (100%), and design expert (96.6%). A practicality test conducted on a small group yielded a score of 96.11%, categorized as "Very Practical." The effectiveness test carried out on the larger group showed an effectiveness rate of 83.87%, classified as "Very Effective" in improving students’ ability to write news texts.In conclusion, the Genially-based teaching materials are highly feasible, practical, and effective for teaching news text writing in Grade VII. This study is expected to serve as a reference and provide additional insights for future researchers.  

The purpose of this study was to develop flipbook learning media to improve listening skills in news texts of class VII students of SMP Negeri 1 Bawolato. The implementation procedure or research method used is Research and Development (R&D) with the Borg and Gall model, which includes ten stages ranging from potential and problems to mass production. The subjects in this study were class VII students of SMP Negeri 1 Bawolato, even semester class VII-A totaling 6 people, 3 boys and 3 girls, class VII-B totaling 31 people, 17 boys and 14 girls. The results of the study showed that the flipbook media had been validated by three experts, namely material, language, and design experts with a percentage level of 100% for each aspect tested so that it was categorized as "very feasible" to use. The practicality test conducted on a small group showed that the flipbook scored 96.21% which means "very practical" in its use. In addition, the results of the effectiveness test conducted on a large group showed an effectiveness level of 83.87% which was categorized as "very effective" in improving students' listening skills. It was concluded that flipbook learning media to improve listening skills in news texts was very feasible, practical, and effective in supporting learning to listen to news texts in class VII. It is hoped that further researchers will use this research as additional insight to carry out research.  

This research aims to develop online mathematics learning tools based on the local wisdom of Papua in the form of Lesson Plan and E-Worksheet products that are oriented to students' critical thinking skills and mathematical problem-solving in materials of polyhedra which (1) validity aspects, (2) practicality aspects, (3) effectiveness aspects. The cultures used in this research are the kariwari traditional house and the kaki seribu traditional house as illustrations to explain the concept of polyhedra. The research method is research and development (R&D) using the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) development design model. The subjects in this study are 8 students who are in grade VIII at Golden Gate Junior High School, Sorong City. The instruments used in this study are validation sheets, learning implementation observation sheets, teacher response questionnaires, student response questionnaires, and tests. The learning tool is valid if the results of the experts' assessment are at least in the "good" category. Learning tools are said to be practical if the results of teacher’s responses, student responses, and observations of learning implementation are at least in the "good" category. The learning tool is effective if the percentage of students who complete the critical thinking skills test and the math problem-solving ability test is at least 60%. This research produced online learning tools in Lesson Plan and E-Worksheet mathematics form based on local Papuan wisdom oriented to critical thinking skills and problem-solving skills of grade VIII junior high school students on flat-side space building materials. The validation results show that the product developed meets the valid criteria with a good category. The results of the test show that the product developed meets the practicality and effectiveness criteria. Practicality achieved the category “very good” based on teacher assessment, student responses, and the observation of learning implementation. Effectiveness achieves the effective category based on the test of critical thinking skills and mathematical problem-solving. The percentage of students who completed the critical-thinking skills test reached 87.50%, and the mathematical problem-solving ability test reached 75.00%.

The teaching of Professional Ethics in the Culinary Arts Study Program is often delivered in a theoretical manner, make lack of contextual and reflective learning experiences for students. This study aims to develop and evaluate an interactive pocket book as a learning medium to support students' understanding of ethical values in real culinary work settings. The research employed the 4-D development model (Define, Design, Develop, Disseminate), with data collected through observation, interviews, expert validation, practicality questionnaires, and pretest–posttest design. The study was conducted over three months at Universitas Negeri Medan. Validation results indicated that the media was highly feasible in terms of content, layout, and language. Practicality testing showed that students found the media very practical, while the effectiveness test revealed an improvement in learning outcomes with a gain score of 0.60 (moderate to high category). These findings demonstrate that the interactive pocket book is effective in promoting ethical learning that is contextual, reflective, and applicable. The media is recommended for integration into learning strategies focused on values and professional attitudes and is suggested for further development into digital formats to enhance flexibility and wider accessibility.

The competitiveness of Micro, Small, and Medium Enterprises (MSMEs) in Indonesia often faces obstacles due to limited product packaging that fails to adequately reflect product quality, uniqueness, and brand identity. Packaging is not merely a protective container but also a strategic communication tool that influences consumer perceptions, shapes brand image, and supports market expansion. This community service program was carried out at the Banana Chips MSME “Bu Tini” in Semarang, which previously relied on simple plastic packaging without graphic design, brand logo, or product information. The main objective of this program was to assist the MSME in developing both the design and functional aspects of packaging as a strategic effort to strengthen branding, enhance product value, and improve competitiveness. The methodology applied was community-based and participatory, consisting of field observation, focus group discussions, collaborative design with the business owner, and prototype testing of new packaging. The results demonstrate that the redesigned packaging highlights a stronger visual identity through logos, colors, and slogans, while also ensuring practicality, durability, and compliance with food safety standards. Furthermore, the new packaging improved information clarity regarding composition, expiration date, and producer details, which significantly increased consumer trust in hygiene and quality. From a broader perspective, the activity fostered social transformation by raising awareness among the owner and workers about the importance of branding and professional packaging, developing new skills, and positioning the MSME as a role model for similar businesses in the community. This program implies that packaging development is not solely a visual improvement but a strategic branding instrument that can support MSMEs in achieving sustainability and greater competitiveness in local, regional, and potentially digital markets.

This study aims to develop an effective classroom teaching model using the SQ3R knowledge differentiation method and to test the validity of the product as well as the benefits of the model. The method used in this research is research and development (F&E) that follows the Borg & Gall model consisting of 10 steps, which includes the first trial, corrections based on the trial results, field test, and survey and distribution of the product to support education in schools. In the development stage, the products were tested for validity and effectiveness. The results showed that validation from experts obtained an average score of 9.7 with the category “very valid.” In addition, the 1-1 trial resulted in an average score of 93.63% for the learning model, 102% for the material aspect, 98% for practicality, and 96% for benefits. All aspects were categorized as “very interesting,” “very easy,” and “very useful.” Based on these findings, it can be concluded that the Flipped Classroom learning model with the SQ3R differentiation method is proven effective in improving critical thinking skills of grade IV students in science subjects at SDN Klenang Lor 1. This model is also very feasible to be applied in science learning and has the potential to be adapted and applied to other subjects at the elementary school level.