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This study aimed to develop teaching materials based on Problem Based Learning (PBL) assisted by Canva media for teaching biography writing to tenth-grade vocational high school students and to examine their validity, practicality, and effectiveness. The study employed a Research and Development (R&D) method using the ADDIE model, which consists of five stages: analysis, design, development, implementation, and evaluation. The participants were 30 tenth-grade vocational high school students. Data were collected through observation, interviews, expert validation questionnaires, student response questionnaires, biography-writing tests, and documentation. The data were analyzed using descriptive quantitative and qualitative techniques. The results revealed that the developed teaching materials achieved a validity score of 95%, categorized as highly valid based on evaluations by subject-matter and media experts. The practicality level reached 94%, categorized as highly practical according to students’ responses. Furthermore, the effectiveness test demonstrated an improvement in students’ biography-writing skills, as indicated by the increase in the average score from 63.47 in the pretest to 84.73 in the posttest. The Normalized Gain (N-Gain) score of 0.58 was categorized as moderate. These findings indicate that the Canva-assisted PBL teaching materials are valid, practical, and effective for use in biography-writing instruction for vocational high school students. The study contributes to innovations in Indonesian language teaching by integrating problem-based learning with digital technology to enhance students’ writing skills.

Primary dysmenorrhea frequently disrupts the academic and daily activities of adolescent girls. This study evaluated the effectiveness of a 5-minute warm compress application in reducing menstrual pain intensity. A quasi-experimental study with a one-group pretest-posttest design was conducted on 42 female students of SMAN 28 Batam selected through purposive sampling. Participants applied a warm compress (40–45 °C) to the lower abdomen for 5 minutes. Pain intensity was measured using the Numeric Rating Scale (NRS) before and after the intervention. Data were analyzed using the Wilcoxon Signed-Rank test. Before the intervention, 42.9% of participants reported severe pain (NRS 7–10). After the 5-minute application, the severe pain category disappeared entirely (0%), with 57.1% of subjects shifting to the mild pain category (NRS 1–3). Statistical analysis showed a significant reduction in dysmenorrhea intensity (p < 0.001). A 5-minute warm compress application is a rapid and effective non-pharmacological intervention for relieving primary dysmenorrhea in adolescents. Its practicality makes this method a feasible self-care strategy to implement in school settings.

Rumbia fruit contains various bioactive secondary metabolites, particularly flavonoids, which are recognized for their antioxidant properties. These compounds contribute to the prevention of oxidative damage by scavenging and neutralizing free radicals. To enhance its practicality and ease of application, the fruit pulp extract was incorporated into a cream formulation. This study aimed to develop a topical cream containing rumbia fruit pulp extract and to evaluate its physicochemical characteristics. The antioxidant activity of the formulated cream was assessed using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assay. The results demonstrated that the extract could be successfully formulated into a stable cream preparation. Furthermore, the formulated cream complied with the quality requirements for topical creams, as evidenced by satisfactory organoleptic properties, homogeneity, pH value, spreadability, and adhesiveness. Antioxidant evaluation revealed a color transition from purple to yellow during the DPPH assay, indicating the ability of the extract to scavenge free radicals and exhibit antioxidant activity.

This study aims to develop a PAFE (KPK FPB BOARD) learning medium for KPK and FPB materials for fifth-grade students at SDN 47 Gresik. This research uses the ADDIE (Analyze, Design, Develop, Implement, and Evaluate) model, which focuses on the analysis, design, development, implementation, evaluation, and feasibility testing of the resulting learning media. This media was developed as an interactive tool capable of increasing learning interest, strengthening conceptual understanding, and providing a more enjoyable learning experience. The results indicate that Math Space media meets three main aspects of educational media development: validity, practicality, and effectiveness. In terms of validity, the media expert's assessment obtained a percentage of 95% and a percentage of 80.9%, respectively. Based on the average of the two results, the percentage obtained was 87.9%, making it highly valid. In terms of practicality and effectiveness, the N-gain calculation result of 0.80 is categorized as very effective, thus demonstrating that the use of the media significantly improves understanding of the KPK and FPB concepts. In terms of practicality, student responses reached 92.8%, indicating that this media is highly practical, easy to use, engaging, and supports independent learning. Overall, the PAFE (KPK FPB BOARD) learning media was deemed feasible, practical, and effective for use in mathematics learning, particularly in KPK and FPB. Furthermore, this media is flexible and can be used for both in-class and out-of-class learning.

This study aims to clarify the conceptual differences between measurement, assessment, and evaluation; present a comparative analysis of their characteristics; formulate concrete application examples across four Arabic language skills (istima', kalam, qira'ah, and kitabah) in madrasah; and analyze evaluation principles in creating an objective and fair assessment system. The study employs a library research method with a descriptive-analytical approach through content analysis of relevant academic sources. The findings indicate that measurement, assessment, and evaluation form a hierarchical and mutually reinforcing relationship, yet they differ in scope, function, and purpose. Measurement focuses on quantifying learning outcomes, assessment interprets those results, and evaluation provides overall judgment for decision-making. The current imbalance in Arabic language evaluation at madrasah, which often emphasizes cognitive measurement alone, can be improved through comprehensive assessment of all four language skills. This should be grounded in principles of validity, reliability, objectivity, practicality, and positive washback to ensure a fair, meaningful, and educationally sound evaluation system.  

This study aims to analyze public concerns regarding fast food consumption from the perspective of risk society, particularly among university students. The increasing consumption of fast food reflects shifts in consumption patterns influenced by globalization, practicality, and time efficiency. This research employs a qualitative approach through a literature review supported by interview data to strengthen the analysis. The findings reveal that fast food consumption is not solely driven by biological needs but also by practical, emotional, and social factors. Although students demonstrate a relatively high awareness of health risks associated with fast food, their consumption behavior persists as an adaptive response to structural conditions such as time constraints, accessibility, and academic pressures. From the perspective of risk society, this phenomenon illustrates a contradiction between risk awareness and everyday consumption practices. Risks produced by modernity are not entirely avoided but are negotiated and normalized in daily life. Therefore, fast food consumption cannot be understood merely as an individual choice but as a result of the interaction between structural factors, consumer culture, and social construction within modern society.

This study was motivated by students’ low conceptual understanding of temperature, heat, and thermal expansion at SMP Negeri 28 Batanghari, where learning achievement remained below 50%. Instruction predominantly used PowerPoint-based media, resulting in passive learning and limited contextual engagement. This study aimed to develop web-based interactive multimedia (GlidesApps) integrated with Cepak Kapung ethnoscience that is valid, practical, and effective in improving seventh-grade students’ conceptual understanding. The study employed a Research and Development (R&D) approach using a development model consisting of five stages: analysis, design, development, implementation, and evaluation. The resulting product, named LokaSains, is a web-based learning application accessible via smartphone, laptop, or computer without installation. It presents learning content on temperature, heat, and thermal expansion integrated with the ethnoscience of Cepak Kapung, a traditional cake from Batanghari Regency. Content expert validation obtained a score of 91.07% (very valid), while media expert validation reached 87.50% (very feasible) after two revisions. Teacher practicality assessment produced 98.33% (very practical), and student responses in small-group and large-group trials reached 94% and 90.35%, respectively (very good). During implementation with 28 seventh-grade students, the mean pretest score increased from 46.07 to 76.79 in the posttest. A paired samples t-test produced t = −13.053 with Sig. (2-tailed) = 0.000 < 0.05, indicating a significant difference in conceptual understanding before and after using the multimedia. The N-Gain score of 0.57 indicated moderate effectiveness in improving learning outcomes. Accordingly, the LokaSains interactive multimedia is considered valid, highly practical, and effective for teaching temperature, heat, and thermal expansion at junior high school level.

This study aims to develop a Puzzle Book learning media for the topic of angle measurement and to examine its validity, practicality, and effectiveness for third-grade elementary school students. The research employed a Research and Development (R&D) approach using the ADDIE model and involved 26 third-grade students as participants. Data were collected through expert validation sheets, student response questionnaires, and learning achievement tests, which were analyzed using descriptive quantitative and qualitative methods. The results showed that the Puzzle Book obtained a validity score of 98.0% from media experts and 100% from material experts, both categorized as highly valid. Student responses reached 100%, indicating that the media is highly practical and engaging. Furthermore, the analysis of learning outcomes revealed a gain score of 0.9187 in the high category, demonstrating that the Puzzle Book effectively improves students’ problem-solving abilities in angle measurement. Overall, the Puzzle Book learning media is highly feasible, practical, and effective for classroom implementation, as its interactive design and alignment with third-grade learning characteristics help students understand angle concepts more concretely, enjoyably, and meaningfully.

This study aims to develop an English learning module based on the role play approach to improve the speaking skills of Grade X students at SMA Negeri 21 Medan. The study is motivated by students’ low speaking ability due to limited communication practice and the use of conventional teaching methods. This research employs a qualitative approach focusing on needs analysis and initial product development. The research subjects include English teachers and Grade X students who participated in the needs analysis questionnaire. The findings indicate that students require interactive, communicative, and contextual learning and show strong interest in role play activities. Based on these findings, a role play-based module was designed to support speaking practice. However, this study is limited to the design and development stage and has not yet conducted expert validation or field testing. Therefore, further research is recommended to evaluate the feasibility, practicality, and effectiveness of the developed module.

Ramadan brings significant changes in the shopping and consumption patterns of Indonesians. There is an increase in demand for various types of food and beverages, both for sahur and iftar. The purpose of this study is to map the characteristics of food and beverage purchasing and consumption patterns in a seasonal context (Ramadan): strategic implications for UMKM in the Greater Jakarta area. The research design used is descriptive quantitative with data collection techniques implemented by distributing questionnaires. Then, the questionnaire answers are summarized to obtain the frequency distribution of each item in the questionnaire. The population of this study is people domiciled in the Greater Jakarta area. The sample size was determined using the Lameshow formula, resulting in a sample of 100 respondents spread across the Greater Jakarta area. The majority of respondents, namely 92%, stated that they experienced changes in their shopping patterns during Ramadan. The type of food purchased changed (34%) was the most dominant change. The most dominant consumption purchasing decision during Ramadan was the practicality in preparing food (40%), with favorite shopping places being traditional markets (24%) and street vendors (24%). In a consumption analysis, 83% of respondents experienced changes in their consumption patterns during Ramadan, with the most dominant change being in the amount of food consumed (29%). During sahur (pre-dawn meal), respondents tended to consume vegetables (36%) and chicken (22%). Meanwhile, fried foods (38%) and rice cakes (rice cakes) were the favorite dishes for breaking the fast.

Learning media is a tool that can be used to help students learn better and more efficiently. The media used in SMP Negeri 23 Pekanbaru is a teacher-centered picture/poster media so that students quickly get bored, and because of the limited media from the school. Most students prefer learning that involves them directly such as the element of games. The learning models used are discovery, PBL, and lecture models, and student learning activities are still lacking or less active in science learning. The purpose of this study is to develop learning media in the form of a cooperative-based snakes and ladders game with the Teams Games Tournament (TGT) type which aims to train student learning activities. The research method used is Research and Development (R&D) by implementing the ADDIE model which consists of five stages, namely Analyze, Design, Development, Implement, and Evaluation. Based on the validation results obtained, media experts were 94% with very feasible criteria, material experts were 92% with very feasible criteria, teachers gave a practicality assessment of 95% with very practical criteria, and students' responses were 85% with very interested criteria. This shows that the snakes and ladders media based on Teams Games Tournament (TGT) is very reasonable, very practical to use, and very interesting for students during the learning process. The results of observations on all student learning activities showed that 79% got a good interpretation.

This research aims to create a real character education media through a reward system called Reward Activity as a facility for teachers in controlling the discipline and politeness of third-grade elementary school students. This research uses R&D procedures with the ADDIE model which includes Analyze, Design, Develop, Implement and Evaluate. The subjects of this research were third-grade elementary school students at two schools, namely SDN 2 Sumberagung for small group trials and SDN Sambangrejo for large group trials. Information was obtained through interviews, observations, expert validation questionnaires, user reaction questionnaires and pretests and posttests. The research results show that the Reward Activity media has a media validity of 86% (very valid), practicality of 97% from students and 98% from teachers. The effectiveness test obtained high results with an N-Gain value of 0.75 for discipline character and 0.77 for politeness character. Based on the above data, the Reward Activity media is declared feasible, instant and efficient in improving the discipline and politeness of third-grade elementary school students.

Education plays a crucial and essential role in improving the quality of human resource globally, thus a research was conducted with the aim of producing a product, namely a learning module. This module is one of the learning resources that can be used by students independently. Therefore, the module was developed to function as a learniing guide for students. The lerning model used in this research is Creative Problem Solving. In this learning model, the teacher presents problems so that students can find answers innovatively and sharpen  their critical thinking skills. The suitability of this learning module will be evaluated based on three aspect, namely validity, practicality, and effectiveness. Based on the research sample data, this consists of students from class XI Electrical Power Installation Techniques (TITL) 1 at SMKN 1 Driyorejo. This method uses the Research & Development (R&D) approach. The analysis of differences in learning outcomes was carried out using the One Group Pretest-Posttest Method, the treatment in the form of a learning module based on the Creative Problem Solving model was given to student. The research result show that (1) the modules suitability is stated as very valid wth a score of 89,60, (2) aspect, it is stataed as very practical with a total average reaching 90,60, (3) effectiveness is proven from the improvement in learning outcomes in terms of knowledge and domains with an average pretest score of 51,3, while the average posttest score is 85 with a significance of 0.000.

This study examines the utilization of Aloe vera as a herbal medicine by the community of Sobawagoli Village, Indonesia. The research aims to document local knowledge related to the processing, application, and perceived benefits of Aloe vera in traditional healthcare practices. A qualitative descriptive approach with a case study design was employed. Data were collected through direct field observations, in-depth interviews with community members, and documentation of preparation methods. The findings reveal that Aloe vera is widely used for both internal and external treatments, including digestive disorders, internal heat, hypertension, burns, skin inflammation, and natural skin and hair care. The plant is processed through simple methods such as boiling, blending, and direct topical application, reflecting the accessibility and practicality of herbal medicine in rural settings. Community perceptions toward Aloe vera are highly positive, viewing it as a safe, effective, and culturally embedded alternative to chemical medicines. These practices are supported by empirical experiences and align with recent scientific studies highlighting the therapeutic properties of Aloe vera. The study underscores the importance of preserving indigenous herbal knowledge and integrating it with modern health education to promote sustainable, community-based healthcare systems.

This study aims to develop Student Worksheets (LKPD) incorporating the traditional serok kuali game on multiplication material for third-grade students at SDN Deket Wetan Lamongan and to determine their validity, effectiveness, and practicality. The research method employed was Research and Development (R&D) using the ADDIE model, which consists of the analysis, design, development, implementation, and evaluation stages. The research subjects included two expert validators, namely a media expert and a subject-matter expert, as well as 15 third-grade students at SDN Deket Wetan Lamongan. Data were collected using expert validation questionnaires, conceptual understanding tests (pretest and posttest), and student response questionnaires. The results showed that the developed LKPD demonstrated a very high level of validity, with a score of 97.5% from the media expert and 95.55% from the subject-matter expert. The effectiveness test indicated an improvement in students’ learning outcomes, with an N-Gain score of 0.803 (80.3%), which falls into the effective category. In addition, students’ responses to the use of the LKPD reached a percentage of 95.6%, categorized as very good. Based on these findings, it can be concluded that the LKPD incorporating the traditional serok kuali game is feasible, effective, and practical for use as instructional material to enhance third-grade elementary school students’ understanding of multiplication concepts.

This study aims to evaluate the validity, effectiveness, and practicality of developing problem-based teaching materials for improving student learning outcomes. The research focuses on a practical module for the subject of electric motor installation at SMKN 1 Driyorejo, where interviews and needs assessment revealed issues such as teacher-centered learning and limited student resources, primarily relying on notebooks. These factors have hindered optimal learning outcomes. The development of problem-based learning modules was intended to address these issues and improve cognitive, affective, and psychomotor learning outcomes. The research follows a Research & Development (R&D) approach with four steps: 1) Define, 2) Design, 3) Develop, and 4) Disseminate, using a one-shot case study trial design. The study involved 30 students of grade XI TITL 1 at SMKN 1 Driyorejo. Results showed the module’s validity at 3.66, practicality based on student responses at 89.25, and effectiveness with cognitive, psychomotor, and affective outcomes of 84.93, 89.40, and 94.00, respectively. These findings suggest that the problem-based practical module is valid, practical, and effective for improving student learning outcomes across various domains.

Oral communication is a core competency in 21st-century education; however, instructional materials in elementary schools tend to emphasize reading and writing rather than structured speaking practice. This gap highlights the need for innovative learning resources that explicitly foster students’ oral communication skills. This study aimed to develop and evaluate a Project-Based Learning (PjBL) module designed to enhance the oral communication skills of fourth-grade elementary school students. The research employed a Research and Development (R&D) approach using the ADDIE model, encompassing analysis, design, development, implementation, and evaluation stages. The participants were 30 fourth-grade students, and the developed module was validated by three experts in material, media, and language. Data were collected through validation sheets, teacher and student response questionnaires, and pretest–posttest performance assessments.The expert validation results indicated high feasibility, with scores of 95% (material), 94% (media), and 96% (language), yielding an overall average of 95%. Teacher and student responses demonstrated strong practicality (92% and 88%, respectively; average 90%). The effectiveness test revealed a significant improvement in students’ oral communication performance, with mean scores increasing from 67 (pretest) to 86 (posttest), resulting in an N-Gain of 0.65, categorized as moderately high effectiveness. These findings suggest that the developed PjBL module is feasible, practical, and effective in improving elementary students’ oral communication skills. The study contributes to the field of communication-oriented instructional design by demonstrating how structured project-based modules, supported by simple digital enhancements such as QR-linked instructional videos, can systematically integrate speaking practice into Indonesian language learning at the primary level.

Background: Three-monthly injectable contraception is one of the most commonly used hormonal contraceptive methods due to its effectiveness, practicality, and high acceptance among women of reproductive age. However, its use is frequently associated with menstrual changes, particularly amenorrhea, which may affect user satisfaction and continuity of contraceptive use. Objective: This study aimed to analyze the relationship between the use of 3-monthly injectable contraception and the incidence of amenorrhea among women of reproductive age. Methods: This study employed a quantitative approach with an analytical observational design using a cross-sectional method. The study was conducted at a primary healthcare facility providing family planning services. A purposive sampling technique was applied to select respondents who met the inclusion criteria. Data were collected using a structured questionnaire and supported by a review of medical records. The Chi-square test was used to analyze the relationship between contraceptive use and the incidence of amenorrhea, with a significance level set at p < 0.05. Results: The results showed that more than half of the respondents experienced amenorrhea. Amenorrhea was more frequently observed among women who had used 3-monthly injectable contraception for more than one year. Statistical analysis revealed a significant relationship between the duration of 3-monthly injectable contraceptive use and the incidence of amenorrhea (p < 0.05). Conclusion: There is a significant relationship between the use of 3-monthly injectable contraception and the occurrence of amenorrhea. These findings emphasize the importance of providing comprehensive counseling regarding potential menstrual changes to improve contraceptive acceptance and continuity.

The study titled “Designing a Web-Based E-Module for Empowering Tenth-Grade Students’ Writing Skills in Descriptive Text” aims to develop a digital learning medium to improve students’ descriptive writing abilities. The research applies a Design and Development (D&D) approach using the ADDIE model, consisting of analysis, design, development, implementation, and evaluation, supported by a descriptive quantitative method. The study addresses limitations of traditional, teacher-centered instruction that relies heavily on printed materials by integrating technology into the learning process. The research begins with an analysis of existing teaching practices and learning resources for descriptive text writing. Based on this analysis, a web-based e-module is designed to provide a more interactive and engaging learning experience. The module includes structured materials such as definitions, purposes, text structures, language features, examples, and practice exercises. The e-module is then implemented in a tenth-grade classroom setting, followed by an evaluation of its effectiveness using quantitative data. The results indicate that the web-based e-module effectively improves students’ descriptive writing skills. Interactive features, including multimedia content, self-paced activities, and immediate feedback, enhance students’ motivation and active participation. Teachers and students report positive perceptions regarding the practicality, accessibility, and usefulness of the e-module. Pre-test and post-test results also show a clear improvement in students’ writing performance. Overall, the study concludes that web-based e-modules are a promising instructional medium for enhancing writing skills and supporting student-centered, technology-integrated English language learning.

This research aims to develop a deep learning-based mathematics e-module with the integration of the context of the Suramadu Bridge in scale and comparison materials for grade VII junior high school students. The development model used is the 4D (Define, Design, Develop, Disseminate) model which includes the stage of defining learning needs, designing e-modules, product development, and limited deployment. The research instruments used included validation sheets of media and material experts, observation sheets of teacher and student activities, learning outcome tests, and student response questionnaires. The results of the study showed that the e-modules developed met the valid criteria with a media validity level of 94.29% and material of 95%. In addition, the e-module is considered practical with teacher practicality of 78.67% and students of 86.67%, and effective with a learning effectiveness rate of 83.83%. The students' response to the e-module was also very positive, which showed that the integration of the local context of the Suramadu Bridge and the deep learning approach was able to increase student engagement, learning motivation, and understanding of mathematical concepts in a meaningful way. These findings indicate that local context-based e-modules can be an innovative alternative in mathematics learning that is relevant to students' real lives as well as support the implementation of 21st century learning.