N-gain Value Research Articles

Development of Discovery Learning Model Learning Tools on the Know Industry Theme to Improve Numeracy Skills

Purpose: This research aims to develop learning tools consisting of teaching modules, student worksheets, and numeracy ability test questions using the discovery learning learning model on the tofu industry theme that is valid, practical, and effective. Methodology: This type of research is development research using the Thiagarajan 4D development model. The data collection techniques used were observation of the implementation of learning tools, student observation, numeracy ability test results, and student response questionnaires. The research subjects consisted of 33 students in the trial class, 32 students in the experimental class, and 32 students in the control class. Findings: The findings from this research are that the learning tools developed have valid, practical and effective criteria. Apart from that, another discovery was that the learning tools developed had a significant influence on an increase in students' numeracy skills as shown by the average N-Gain value of the experimental class being greater than that of the control class. This shows that there is a significant influence from the application of the discovery learning tool model with the tofu industry theme on increasing the number of students. Unique contributions to theory, practice and policy: It is recommended that teachers can develop and apply Discovery Learning by presenting problems in everyday life in other learning materials. This is because the Discovery Learning learning model can improve students' numeracy skills.

Development of Student Worksheets Based on Engineering Design Process to Enhancing Student’s Scientific Literacy in Middle School Students

Scientific literacy is the ability to actively participate in discussions and understanding issues related to science and scientific ideas, serving as a form of participation as an informed citizen. The objective of this research is to examine the validity, practicality, and effectiveness of a student worksheets based on the engineering design process (EDP). The research type and design fall under research and development (R&D) and have been developed using the ADDIE research design through the steps of Analyze, Design, Develop, Implement, and Evaluate. Data collection included validation and student response questionnaires, implementation sheets, and scientific literacy tests to assess validity, practicality, and effectiveness. The validation questionnaire is used to measure validity, the student response questionnaire is used to determine student responses, the implementation sheet is used to assess the feasibility of the learning process, and the science literacy test is used to assess the improvement in students' scientific literacy. The validity analysis yielded a result of 90%, categorizing the EDP-based student worksheets as very valid. The practicality score of 86% demonstrates that the worksheets are highly practical for use in learning environments. Additionally, the effectiveness, measured through an N-gain value of 0.76, indicates a significant improvement in students’ scientific literacy. The student response questionnaire results, with an 84% score, reflect a very positive reception from students. These findings collectively confirm that the EDP-based student worksheets are valid, practical, and effective tools for enhancing scientific literacy among junior high school students. These results suggest that EDP-based worksheets can be a valuable tool for fostering scientific literacy among junior high school students, equipping them with the skills to engage in scientific discussions and make informed decisions as active citizens.

The Influence of the 9E Learning Cycle with A STEM Approach on Students' Science Process Skills in Static Fluid Topics

This study investigated the effectiveness of integrating the 9E Learning Cycle Model with STEM approaches to enhance students' Science Process Skills (SPS) in static fluid concepts. The research employed a mixed-methods embedded experimental design with 32 senior high school students. Quantitative data were collected through pre- and post-tests, while qualitative data were gathered via observations and interviews. Results showed significant improvements across all SPS components, with N-gain values ranging from 0.63 to 0.64, indicating medium gains. Students demonstrated enhanced abilities in observing, classifying, measuring, inferring, predicting, and communicating scientific concepts. The integrated approach facilitated practical application of knowledge, as evidenced by students' work on flood-resistant garage prototypes and wave-powered electricity generators. Qualitative findings revealed increased student engagement and improved problem-solving skills. The study concludes that the integration of the 9E Learning Cycle Model with STEM approaches offers an effective framework for enhancing students' science process skills and their ability to apply these skills to real-world problems. These recommendations aim to provide a more comprehensive understanding of the approach's potential in science education across various domains and student populations

Effectiveness of virtual reality media based on local wisdom: Indigenous Baduy Tribe, Kasepuhan Citorek and Kesepuhan Neglasari Banten Indonesia

The application of Virtual Reality media based on local wisdom in learning Natural and Social Sciences for grade IV elementary school students, with an emphasis on the culture of the Baduy Tribe, Kasepuhan Citorek, and Kesepuhan Neglasari in Banten, Indonesia. This study is to assess how virtual reality technology can improve students' understanding and interest in Natural and Social Sciences materials related to local wisdom and customs. The results of the study indicate that the virtual reality media applied is effective in significantly improving students' understanding. The average N-Gain value of 0.85 indicates the success of the media in achieving its goals. It can be concluded that the use of virtual reality not only deepens students' understanding of Natural and Social Sciences topics related to local wisdom, but also motivates them to be more active in the learning process.

The Effectiveness of Using Project-Based Learning Static Fluid Modules in Improving Student SEPs Skills

Education in the era of the Industrial Revolution 4.0 has become one of the hot topics discussed, one of which is in the field of science. This high-quality generation is supported by skills, including collaboration, communication, professionalism, problem-solving, innovation, creativity, critical thinking, flexibility, business and management, digital literacy, agility, initiative, productivity, accountability, leadership, practical responsibility. intelligence, high ethical standards, dynamics, and resilience. NGSS provides students with continuous opportunities from primary to secondary school to develop and engage a deeper understanding of the three dimensions of science. This study is intended to determine the effectiveness of using project-based learning modules seen from the skills of students' SEPs. This study used a one-group pretest-posttest design involving 40 class XI students of Engineering Specialization, consisting of 20 female students and 20 male students from SMAIT Ulil Albab Batam. Data were collected using test techniques with Two-Tier Multiple Choice. (TTMC) instrument. The developed modules are effectively applied in physics learning to improve the skills of SEPs. This is indicated by the percentage value on each aspect of the SEPs. The results of the Science and Engineering Practices skill data analysis of students obtained test of normality pretest results of 42.4363 and posttest of 70.5765 (results using modules > without modules). In the homogeneity test used, namely Shapiro-Wilk, a significance value (p) pretest = 0.973 and posttest = 0.938 (p > 0.05), so it can be concluded that the SEPs skill data are normally distributed. Based on the results of calculations obtained from wide-scale trials, it shows that the value of N-Gain from the skills of SEPs in the aspects of SEPs 1 of 0.4875, SEPs 2 of 0.5067, SEPs 3 of 0.4062, SEPs 4 of 0.5146, SEPs 6 of 0.4887 and SEPs 8 of 0.5517, so that the average value of N-Gain of 0.49255 is obtained. So it can be concluded that the effectiveness of the module is in the medium category.

Ethnoscience-Based Inquiry Learning to Increase Students’ Critical Thinking Skills and Collaboration Skills

The goal of this study is to increase students' CTS and CS about quantity and unit material using ethnoscience-based inquiry learning. The study utilized a non-equivalent control group design with two classes: experimental and control. The sample in this study were students of class X IPA 7 and X IPA 8, who were chosen using purposive sampling procedures. The research sample comprised 71 students. The research data was gathered using 15 multiple-choice questions, a CTS questionnaire, and a CS questionnaire. Normality, homogeneity, the t-test, and correlation tests were employed to analyze the data. Based on the research findings, students' CTS and CS rose in the experimental class, with N-gain values of 0.71 (high) and 0.60 (medium). The experimental and control courses showed significant differences in students' CTS and CS outcomes (Sig. < 0.05). Aside from that, there is a very strong correlation between students' CTS and CS results in learning, with r = 0.938. It may be concluded that using an ethnoscience-based inquiry paradigm can help students enhance their CTS and CS. Thus, it is possible to infer that ethnoscience-based inquiry learning may increase students' CTS and students' CS. There is a very strong correlation between CTS and students' CS.

Development of PhET-assisted simulation e-worksheet using flipped laboratory approach for science communication skills

Communication skills are one of the 21st century skills. Specific communication in biology learning includes science communication. The purpose of the study was to analyze the improvement of science communication skills using E-Worksheet assisted by PhET on nervous system material. This research and development consist of three stages: the preliminary study stage, the product development stage and the product testing stage. Static-Group Pretest-Posttest research design. This study involved 35 students in the experimental class and 35 students in the control class selected using Purposive Sampling. The research instrument consisted of a validation questionnaire and limited description with indicators of science communication. Data analysis informs that e-worksheet is very feasible with an average score of 83.83%. The improvement of science communication skills on the nervous system material in the classroom using e-worksheet assisted by PhET simulation with an overall N-Gain value of 0.56 with moderate criteria. E-Worksheet assisted by PhET simulation helps the learning process. The guide to using E-Worksheet assisted by PhET simulation should be clearer and more detailed and provide training for teachers to be more familiar with electronics.

Perbedaan Model Problem Based Learning Berbantuan Media Audio Visual Terhadap Kemampuan Kognitif SDN Kaligawe Semarang

This research aims to determine the difference in applying the Problem Based Learning model assisted by audio-visual media to the cognitive abilities of students at SDN Kaligawe Semarang. The method used is a quantitative method of the pre-experimental type with a one-group pretest-posttest design. The population of this study was all students of class VB at SDN Kaligawe for the 2023/2024 academic year, totaling 27 students with 11 male students and 16 female students. The data collection technique was through a cognitive learning outcome test. The average pretest score was 64.07, while the average posttest score was 85.00. Based on the results of the hypothesis test, the pretest and posttest data yielded a value of 0.000 ≤ 0.05. Then, the average N-gain value of cognitive learning outcomes was 0.6031 with moderate criteria.

Educative Web-Based Virtual as a Learning Media For Training Scientific Attitude In High School Student

Media is important in learning, especially with the development of science and technology. This study aims to design and develop a virtual laboratory based on web education as a learning media and to train the scientific attitudes of high school students. The type of research used in Research and Development (RD) refers to the nine stages of Borg and Gall. The feasibility test of web education uses a validation questionnaire of material experts, language experts, media experts, and educator response questionnaires. The study results showed that material experts comprised 87.5%, language experts comprised 94%, media experts comprised 91.5%, and educator response questionnaires comprised 85.33%. So, web-educative biology is a very feasible category. The effectiveness of the media in training scientific attitudes is known to have an average n-gain value of 0.59 (moderate) for the experimental class and 0.39 (moderate) for the control class. Based on the results of the t-independent test, a sig of 0.00 α value (0.05) was obtained, which means that H1 is accepted and H0 is rejected. It is concluded that the web-based educational Virtual Laboratory is effective in training the scientific attitudes of high school students and is suitable for use as a biology learning medium.

Development of Ethnoscience-Laden IPA Teaching Materials on Material on the Form of Substances and Their Changes to Improve Science Literacy Skills of Elementary School Students

Based on the problems that occur at SDN Pangkah 07, Pangkah sub-district, Tegal district, through observations and interviews, it was revealed that the learning resources used to implement the Merdeka Curriculum are still limited. The teaching materials currently used are LKS which have not been able to improve students' scientific literacy. This causes it to be less in accordance with the characteristics of the material studied with students. So that students find it difficult to understand the material. Based on these problems, it is necessary to develop teaching materials that are packaged into ethnoscientific teaching materials. This research is a Research and Development (R&D) research using development procedures with the research model from (Thiagarajan, Semmel & Semmel, 1974) using the stages of 4D development research consisting of 4 stages namely Define, Design, Development and Dissemination. The results of this study indicate that ethnoscience-laden science teaching materials on the material of the form of substances and their changes to improve students' science literacy in elementary schools were successfully developed with average results on material experts 0.91 categorised as very valid, language experts 0.92 very valid and media experts 0.94 very valid. Effectiveness obtained 80% of the effective category is used. The practicality of the results of the teacher response questionnaire averaged 100% very practical from three aspects and the results of the student questionnaire averaged 90% very practical. So it can be concluded based on the data obtained, the characteristics of ethnoscience-loaded teaching materials are: a) in the form of printed teaching materials and links; b) ethnoscience-loaded teaching materials that take local wisdom. The ethnoscience teaching materials produced are in the very valid category, which is obtained from the assessment of validators or experts. The ethnoscience-loaded teaching materials produced with the n-gain value of the effective category, also obtained the results of teacher and student responses in the very practical category. Suggestions from the author of ethnoscience-loaded teaching materials need to be developed again on other science materials and aspects of science literacy attitudes and ethnoscience-loaded teaching materials that have been developed can be used as a reference by other researchers in carrying out similar research Keywords: Social Sciences teaching materials, Ethnoscience, Scientific Literacy

Training on Application-Based Numeracy Literacy E-Assessment Development to Support AKM Readiness for Junior High School Teachers in Aceh Tamiang

The purpose of this service activity is to increase teachers’ knowledge, understanding, skills and creativity in preparing application-based Numeracy Literacy E-Assessments in supporting AKM readiness. The method of service activities is education and mentoring which consists of the preparation stage, implementation stage, and monitoring and evaluation stage. Pretest and posttest were conducted with 17 participants to determine the increase in participants' knowledge in the preparation of application-based Numeracy Literacy E-Assessment in supporting AKM readiness. Participant satisfaction with the service activities was measured using a questionnaire consisting of 12 indicators. The obtained data were analyzed using descriptive analysis. The results achieved from the implementation stage are the production of application-based numeracy literacy assessment products made by the participants themselves. The results of the evaluation stage by giving pretest and posttest showed that there was an increase in participants' knowledge in preparing application-based numeracy literacy assessments in the medium category with an n-gain value of 0.47. The results of the participant satisfaction questionnaire showed that 73.25% of the participants were satisfied while the other 26.75% were very satisfied with the service activities that had been carried out.

Development of CABATAR Learning Media on Plane Geometry Material to Improve Numeracy Skills of 4th Grade Students at SDN Susukan 04 Pagi

This research develops the CABATAR learning media based on the Canva application to improve the numeracy skills of fourth-grade students on flat geometry material at SDN Susukan 04 Pagi. The research uses a Research and Development (R&D) approach, with both qualitative and quantitative methods. Data was collected through interviews, questionnaires, and validation by media and material experts. The study found that the CABATAR media was validated with 91.25% by media experts and 94.16% by material experts, both categorized as "Very Feasible." A small group of 10 students and a larger group of 31 students were involved in the trial, with student responses reaching an average of 90% and 89% from teachers, all categorized as "Very Feasible." Additionally, the pretest-posttest results showed a moderate improvement in numeracy skills, with an N-gain value of 0.62. The findings indicate that CABATAR media is an effective tool for enhancing numeracy skills in elementary school students and can be a valuable addition to flat geometry material in mathematics lessons.

Plant diversity in Montel Muria Kudus Waterfall area for college student e-module development

Many college students have difficulty in understanding the diversity and morphology of plants at the species level. The research aims to analyze the potential of species-level plant diversity in Montel Muria Kudus Waterfall, develop e-modules integrating local potential, and preserve the local potential of Montel Muria Kudus Waterfall. The research and development study design with the 4D model was implemented in this study to produce the e-module. E-module was tested on 30 Tadris Biology college students who assigned with random sampling technique. Data were collected with expert validations and trial. In Montel Muria Kudus Waterfall, various plant species groups were found, including ferns, epiphytes, shrubs, herbs, and trees. Instructional media expert validation obtained score of 95% which in the “very valid” category. Moreover, material experts scored of 91.66%, means in the “very valid” category. Practical feasibility analysis obtained score of 95.83%, represents the “very practical” category. The results of the college students’ N-Gain value of 56.7338, represents the category of “moderately effective” in improving science literacy. This research findings show that the e-module produced can potentially be widely implemented in biology instruction for improving college students’ science literacy skill as well as preserving local potential.

Role playing as contextual learning to improve mathematical communication skills of madrasah ibtidaiyah students

Among the efforts to improve Mathematical Communication Skills (MCS) is to innovate learning models. This research aims to develop contextual role-playing learning products to improve Madrasah Ibtidaiyah (MI/ primary school) students’ MCS on valid and practical fraction material. The research and development (R&D) model of Define, Design, Development, and Dissemination (4D) was employed. The research subjects were second graders at MI Tahfidz El Muna Q, totaling 28 students. The instruments included validation guidelines, practicality guidelines, and MCS tests. Product effectiveness is tested using N-Gain. The results showed that the number of students completing the MCS after contextual role-playing learning was 89.28%, which is in the high category. The average N-Gain value obtained was 0.79, which is also in the high category. These findings show that contextual role-playing learning can potentially improve MI students’ MCS, especially in fraction material.

Development of scaffolding-based science e-modules to improve junior high school students’ scientific reasoning

Scientific Reasoning is a high-level thinking ability to think scientifically, systematically, and logically in the scientific method process. The scientific reasoning of junior high school students is still low in Science learning. In fact, scientific reasoning is an essential component of the cognitive flow of 21st-century skills. This study aimed to describe the validity, practicality, and effectiveness of scaffolding-based Science e-module in improving the scientific reasoning of junior high school students. This study was a developmental study with the ADDIE model. The subjects were 35 7-E students in SMP Negeri 7 Jember with the implementation in the even semester of the 2023/2024 academic year. The data collection techniques used were observation, documentation, validation sheets, implementation observation sheets, tests (pretest and posttest), and questionnaires of student response. Based on the research results, the implementation of a scaffolding-based Science e-module obtained a validation value of 89.8%, which was included in the valid category and can be used in the learning process. The results of the practicality analysis obtained a value of 88%, which was included in the very practical category to be used in the learning process. The effectiveness was obtained from the results of the pretest and posttest with an N-Gain value of 0.73%, which was included in the high category, and the results of student response were 89.4%, which was included in the very good category and effective in improving scientific reasoning of the junior high school students.

Badati Cultural Design as a Learning Model in Increasing Understanding and Awareness of Prospective Taxpayers

The role of the community in development is characterized by a high awareness of paying taxes. People in the age range of compulsory education are potential taxpayers. The existence of badati culture, which is believed to have positive values for the people on the island of Ambon, is then designed in the form of a learning model. Through the implementation of the Badati Learning model, it is expected that it will have an impact on the level of tax awareness of 12th-grade high school students in Ambon City. The Badati model developed has a syntax: (1) formulation of activities, (2) formation of groups in representatives, (3) representatives disseminate to small groups, (4) small groups discuss, (5) the results of small group discussions are returned to the large group, (5) representatives disseminate classically by each representative in the gandong cloth. The research and development method, with the stages of preliminary studies on community leaders and youth leaders in Maluku, model trials. Limited test stages were conducted in two schools, broader test stages were conducted in three schools, and model validation was conducted in two schools. The results of the study illustrated that the Badati model is proven to have a good impact in increasing students' understanding of the importance of tax awareness for development with the average N-gain value at each stage of the trial, which is at a moderate level (limited trial N-gain value 0.6, broader trial, 0.7, and 0.7 validation test). Keywords: Badati learning model, tax awareness

STEM-based ecology module development for differentiated learning in agroecosystem of junior high schools

The study aims to describe the development of an integrated STEM-based ecological module to improve creative thinking skills and learning outcomes in agroecosystems in differentiated learning. The research method is developing the Thiagarajan Four-D model with a one-group pretest-posttest design. Validation data were obtained from module validation, learning design, creative thinking skills rubric, and learning outcome test. Practicality is determined based on teacher and student responses, learning implementation, and readability tests. Effectiveness is determined based on the N-gain value of creative thinking skills and learning outcomes. The results of the study were very significant: the score of module validation was 90.21, the result of all practice indicators was 92.9, the N-gain effectiveness result of creative thinking skills was 0.86, and the N-gain result of learning outcomes was 0.92. In conclusion, the STEM-based ecological module in differentiated classes is valid, practical, and effective in improving creative thinking skills and learning outcomes.

The Effect of TGT (Teams Games Tournament) Learning Model on Statistics Material of Grade VII on Mathematical Problem Solving Ability

The purpose of this study is to determine the effect of the TGT (Teams Games Tournament) learning model on statistics material for class VII junior high school on mathematical problem solving abilities. This research was a quantitative research using Quasi Experimental Design. The sampling technique in this study used purposive sampling. Class VII D, consisted of 24 students as the experimental class and class VII C consisted 24 students as the control class. The instruments used in this research were Pretest-Posttest with 3 questions. The data analysis techniques used in processing the data were analysis prerequisite tests (normality test and homogeneity test), hypothesis testing, and the N-Gain test. Based on the results of calculations that have been carried out, the posttest average value for the experimental class was 92, while the posttest average value for the control class was 85. In addition, based on the data obtained from the results of the hypothesis testing, it results that the value is 0.000 then Ho is rejected and Ha is accepted. This is in line with the average N-Gain value in the experimental class resulting in 0.82 high criteria, while the average N-Gain value in the control class produces 0.66 medium criteria. So it can be concluded that there is an influence of the TGT (Teams Games Tournament) learning model on students' mathematical problem solving abilities.

The Effectiveness of the Games Based Learning Model Using LUAK Game Media (Physics Kid’s Ludo) on Understanding Concepts in the Material on Climate Change and Global Warming

This study aims to improve students' conceptual understanding by implementing a game based learning model using the LUAK (Ludonya Anak Fisika) game media on climate change and global warming material. Concept understanding data were collected through a test using a pre-experimental method with a One Group Pretest-Posttest design involving one class in class X with a total of 36 students, but the researcher only used 32 students because 4 students had other roles to help researchers in conducting treatment in class. Then the data analysis techniques used were N-Gain analysis and effect size analysis. Hypothesis testing used normality test, homogeneity test, and Wilcoxon test (non-parametric test). The results showed that the class that applied the game based learning model using the LUAK (Ludonya Anak Fisika) game media had an N-Gain value of understanding ability of <g> = 0.54 which was included in the moderate category. Meanwhile, the calculation result of Effect Size of understanding ability with a value of 2.22 which is included in the very high category. Thus, the application of game based learning model is considered effective for understanding ability in climate change and global warming material. Additionally, students provided positive feedback after using this game-based learning model.

Effectiveness Discovery Learning and Learning Cycle 5E Integrated Virtual Lab on Learning Outcomes in Acid-Base

This study was conducted to determine the effectiveness of the Discovery learning and Learning Cycle 5E learning models and to see the differences in academic performance from the two models. The method used is experimental. The population in this study were students of class XI Science at SMAN 17 Medan and the samples were class XI Science 4 as experimental class 1 and XI Science 3 as experimental class 2. The research results show that the Discovery Learning model is effective in improving academic performance as evidenced by the average N-gain value of 0.759 in the high category, the Learning Cycle 5E model is effective in academic performance as evidenced by the average N-gain value of 0.751 with high category and there is a significant difference in the academic performance of students who are taught using the Discovery Learning and Learning Cycle 5E models integrated with virtual labs on acid-base material as proven by carrying out by Independent Sample T-test so the output can obtained value of sig is 0.011<0.05.