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The low learning outcomes of students in Biology learning at SMA Negeri 1 Tutuyan is the background for the need for learning innovations that are able to increase active participation and conceptual understanding. This study aims to analyze the effectiveness of the Group Investigation learning model in improving student learning outcomes in Cell materials. The research used a pseudo-experiment method with a one group pretest-posttest design. The research sample amounted to 35 students from class XI Science who were selected purposefully. The instruments used were multiple-choice tests, pre-tests and post-tests of 25 questions for each test. The results showed an increase in the average score from 23.14 in the pre-test to 83.14 in the post-test. Inferential data analysis using the t-test showed a t-calculated value of 89.55, far above the t-table at a significance level of 5%. The category of student learning outcomes has also undergone significant changes, from a very low majority to a high and very high majority. The application of the Group Investigation model encourages students to be active in investigation, group discussions, and independent learning, which strengthens their collective and individual mastery of the material. These findings prove that the Group Investigation model is effective in improving learning outcomes, and can be implemented as a learning strategy in the Independent Learning Curriculum. This study contributes to the development of cooperative learning models in the context of Biology learning at the high school level, and can be replicated in other materials and levels to strengthen its effectiveness.

This study was motivated by the low learning outcomes of students in Physics subjects in class XII MIPA 7 at SMAN 1 Cikalongwetan, where most students had not reached the minimum mastery criteria. The purpose of this research was to improve student learning outcomes through the implementation of the Problem-Based Learning (PBL) model. The study employed a Classroom Action Research (CAR) method conducted in two cycles, each consisting of two meetings. Each cycle included planning, action, observation, and reflection stages. Data were collected through observations and written tests. The results showed an improvement in student learning outcomes after the implementation of the PBL model, as indicated by the increased number of students achieving scores above the minimum standard and a higher percentage of overall mastery. These findings suggest that the Problem-Based Learning model can be an effective solution to enhance student achievement in Physics. The implication of this study emphasizes the importance of the teacher’s role in designing student-centered learning and facilitating critical thinking and problem-solving skills.

At several levels of education, particularly at SMP Dewantara in Bekasi Regency, students continue to face difficulties in achieving satisfactory learning outcomes in the Islamic Religious Education (PAI) subject. The predominantly lecture-based teaching style in class IX.A has not been effective in encouraging active student participation, resulting in low mastery of the subject matter. The aim of this study is to improve learning outcomes by integrating the Problem-Based Learning (PBL) model into PAI instruction. This study involved 12 students from class IX.A as subjects and was conducted over two cycles using a collaborative Classroom Action Research (CAR) strategy. Data were analyzed both qualitatively and quantitatively through observations, tests, and interviews. Based on the collected data, students' average scores increased significantly from 76.67 before the intervention to 98.33 in the second cycle. Learning mastery also improved from 58% to 100%. By creating a more dynamic, collaborative, and real-world-relevant learning environment, the PBL approach proved effective in helping students gain a deeper understanding of the subject matter.

This research investigates how effective the use of instructional media based on PowerPoint (PPT), when integrated with mime techniques, is in improving students' mastery of vocabulary. The study is driven by the recurring problem of students having a limited range of vocabulary, which frequently becomes an obstacle in the process of acquiring language skills. A quantitative research method with a quasi-experimental framework was employed, involving two separate groups of participants: an experimental class exposed to mime-supported PPT instruction, and a control class taught using traditional methods without the aid of visual media. To measure learning outcomes, both pre-tests and post-tests were administered, and the data obtained were examined using an independent sample t-test. The experimental group was taught using the تقنيّة التقليد الحركي technique enhanced by multimedia presentation, while the control group relied solely on conventional instruction. The analysis indicated a notable he findings revealed a notable enhancement in the vocabulary skills of the experimental group, demonstrated by an increase in their average post-test scores. Scores increasing from 47.59 to 77.59. In contrast, the control group showed a more moderate gain, from 48.33 to 63.67. These results underscore the value of integrating PowerPoint into the تقنيّة التقليد الحركي approach, which appears to significantly reinforce vocabulary retention and engagement. Consequently, this study advocates for more creative and interactive strategies in Arabic language instruction, especially in addressing persistent vocabulary learning challenges.

This study aims to describe the effect of implementing Teaching at the Right Level (TaRL) on improving Physical Education (PJOK) learning outcomes for students. This research is a Classroom Action Research (CAR) with a design model based on Kurt Lewin's opinion, which consists of four stages: Planning, Acting, Observing, and Reflecting. The research subjects were 40 seventh-grade students of SMP Labschool Unesa 3 in the 2024/2025 academic year. The data collection instrument used in this study was a learning outcome test on the Indonesian Children's Gymnastics Practice Material. This research was conducted over two cycles, each consisting of two meetings and one assessment, which consisted of four stages: planning, action, reflection, and evaluation, from late April to mid-May 2025. Data were analyzed at each cycle, and percentage analysis was performed. The learning outcomes in the first cycle showed that 54% of students achieved mastery, with an average score of 73.19. An improvement was seen in the second cycle, with 80% of students achieving mastery, with an average score of 80.11. Based on the results of this study, it can be concluded that the implementation of Teaching at the Right Level (TaRL) can improve the learning outcomes of seventh-grade students of SMP Labschool Unesa 3 in the Indonesian Children's Gymnastics Practice Material.

The research aims to explore how Quizziz can be effective in improving the understanding of currency recognition in learners with disabilities. The research used a quantitative approach and an experimental method of one group pre-test post-test design to collect data on student learning outcomes. Data collection was done through written tests in the form of multiple choice, with analysis using parametric statistical techniques and Paired Sample T-Test test. The data findings showed that the average student pretest score was 66.0 and which then increased to 89.3 on the posttest, with an average difference of 23.3 points. The statistical test resulted in a significance value of p = 0.004, which is a value that shows the significance of the difference and increase in scores. The increase in the results obtained is an indication that when learning is carried out with gamification and visual-based media such as Quizizz is able to provide assistance in helping students understand the basic concepts of currency and increase learning motivation through an attractive and interactive display. Thus, it can be concluded that the Quizizz application can be a feasible alternative for use in learning, especially to increase the independence of students with disabilities in daily life through mastery of currency recognition material.

This study aims to analyze students’ conceptual understanding of hydrocarbons through a literature review utilizing the Three-Tier Multiple Choice Diagnostic Instrument. Hydrocarbons are a fundamental topic in chemistry education that often leads to student misconceptions. The three-tier diagnostic instrument is designed not only to assess students’ cognitive knowledge through correct or incorrect answers but also to explore the reasoning behind their choices, enabling more accurate identification of misconceptions and conceptual understanding. The methodology employed is a literature review examining various scientific sources on the application of this diagnostic tool in teaching hydrocarbon concepts. The findings indicate that the Three-Tier Multiple Choice Diagnostic Instrument is effective in systematically detecting and classifying students’ difficulties and misconceptions. Furthermore, the use of this instrument contributes significantly to developing targeted and data-driven instructional strategies to enhance students’ conceptual mastery in chemistry. The implications of this study highlight the necessity of integrating three-tier diagnostic instruments in the assessment process to support optimal learning outcomes in hydrocarbon material.

Student learning outcomes in Social Studies (IPS) at Class 7H MTsN 1 Kota Kediri were initially low, due to the use of less interactive lecture methods. This led to low student motivation and difficulty in understanding the material. This study aims to improve students' learning outcomes in Social Studies through the application of the cooperative learning model Teams Games Tournament (TGT). The research employed Classroom Action Research (CAR) using the Kemmis and McTaggart model conducted in two cycles. The subjects were 33 students of Class 7H. Data collection techniques included tests, observation, and questionnaires. The results showed an improvement in student learning outcomes across each cycle. The average score increased from 64.84 in the pre-cycle to 79.24 in cycle I, and reached 94.27 in cycle II. The percentage of mastery learning also improved from 3.03% to 81.82%, and finally reached 100%. Therefore, the TGT learning model proved to be effective in improving students’ learning outcomes in Social Studies.

Learning activities can run smoothly if accompanied by the availability of appropriate learning media. Learning in the Machining Technology course requires direct practical activities, for example in understanding the use of lathes. The limitations of students' mastery of knowledge when facing the teaching and learning process that tends to be lecture-oriented, causing students' lack of understanding during practice. Learning media that is less interesting causes failure in delivering material, thereby reducing students' interest in learning. This study aims to examine the effectiveness of Real Time Augmented Reality (RT-AR) Lathe media in the learning process of the Machining Technology course in the D-III Study Program, Department of Mechanical Engineering, Faculty of Engineering, Padang State University (FT-UNP). RT-AR media is designed to present interactive visualizations that describe the lathe work process in real time, so that it is expected to improve students' conceptual understanding and practical skills. The study used a quasi-experimental method with a pre-test and post-test design in two groups: the experimental group using RT-AR media and the control group using conventional learning methods. The results showed that there was a significant increase in the learning outcomes of students in the experimental group compared to the control group. In addition, RT-AR media is also able to increase students' motivation and active participation during the learning process. These findings indicate that RT-AR Lathe media is an effective and relevant learning innovation to be applied in vocational engineering education, especially in mastering lathing material.

This study aims to improve student learning outcomes in Grade XI ATPH 3 of SMK Negeri 1 Purwosari in the subject of Vocational Expertise Concentration on fertilization elements by implementing the cooperative learning model type Teams Games Tournament (TGT) using the interactive media Bamboozle. This research is a Classroom Action Research (CAR) conducted in two cycles, each consisting of planning, action, observation, and reflection stages. Data were collected through learning outcome tests, observation, and documentation. The results showed that the implementation of the TGT model supported by Bamboozle media improved students’ average scores from 54.55 in the pre-cycle to 72.73 in cycle I and 81.82 in cycle II. The percentage of mastery learning increased from 6% to 39% and then to 82%. The use of TGT combined with Bamboozle was proven effective in enhancing students’ learning outcomes, engagement, and motivation. Thus, this strategy is recommended as an alternative interactive and engaging learning method in vocational subjects at vocational schools.

This study aims to determine: (1) the learning outcomes before using the Reading Guide learning strategy in the Islamic Theology and Ethics (Akidah Akhlak) subject on the topic of Asmaul Husna in class 4A of MIN 1 Serdang Bedagai; (2) the learning outcomes after using the Reading Guide strategy in the same subject and class; and (3) the implementation of the Reading Guide strategy in improving students’ learning outcomes. This research is a Classroom Action Research (CAR) involving 27 students from class 4A as the research subjects. The findings indicate that prior to the implementation of the strategy, students’ average score was 58.9%, with only 26% (7 students) achieving the minimum mastery criteria. After applying the Reading Guide strategy in Cycle I, the average score increased to 67.03%, with 59% (16 students) achieving mastery. In Cycle II, the average score further increased to 83.37%, with 100% (27 students) meeting the mastery criteria. Therefore, it can be concluded that the Reading Guide strategy effectively improves students’ learning outcomes in the Islamic Theology and Ethics subject on the topic of Asmaul Husna in class 4A of MIN 1 Serdang Bedagai for the academic year 2022–2023.

This study aims to enhance students' learning activities and outcomes through the implementation of the Wordwall assisted Problem Based Learning (PBL) model in the Ecosystem topic for Phase E at SMA N 1 Nan Sabaris. The research was conducted at SMAN 1 Nan Sabaris in class X.E.5 during the even semester of the 2024/2025 academic year, with 36 students as subjects. This study is a classroom action research consisting of two cycles, each comprising two sessions. Each cycle follows four stages: planning, implementation, observation, and reflection, using the Wordwall-assisted Problem-Based Learning model. Data on students' learning activities and outcomes were collected based on observation sheets of learning activities and student learning outcome tests. The application of the Wordwall-assisted Problem-Based Learning (PBL) model proved effective in improving students' learning activities and outcomes in the Ecosystem topic. This success was demonstrated by increased participation and enthusiasm among students during the learning process. Learning outcomes improved by 45%. This increase indicates that the corrective measures taken, such as adding instructional videos and modifying Wordwall games, successfully enhanced students' understanding and mastery of the material.

Improving the quality of leraning in vocational high school (SMK) is essential to meet the demands of a competency-based workforce, especially in the Agricultural Food Crop and Horticultural Agribusiness expertise program. One of the challenges faced is the low student achievement in practical subjects, such as Grafting techniques. This study aims to enhance the learning outcomes of grade X ATPH 2 students at SMK negeri 1 Gondang through the implementation of the Project-Based Learning (PjBL) model in the Agribusiness Food Crop and Horticulture subject, focusing on grafting material. This research employed a Classroom Action Research (CAR) method conducted in two cycles, starting from the pre-cycle to cycle I. the research involved 30 students and was conducted from February to April 2025. The instrument used was a cognitive test analyzed quantitatively to measure student learning outcomes. The results showed an increase in the average student score from 51.23 in the pre-cycle to 76.2 in cycle I. the percentage of learning mastery also significantly increased from 16% to 57%. The implementation of the Project-Based Learning (PjBl) model provided a concrete and comprehensible learning experience, enhancing student participation and motivation.

Improving the quality of leraning in vocational high school (SMK) is essential to meet the demands of a competency-based workforce, especially in the Agricultural Food Crop and Horticultural Agribusiness expertise program. One of the challenges faced is the low student achievement in practical subjects, such as Grafting techniques. This study aims to enhance the learning outcomes of grade X ATPH 2 students at SMK negeri 1 Gondang through the implementation of the Project-Based Learning (PjBL) model in the Agribusiness Food Crop and Horticulture subject, focusing on grafting material. This research employed a Classroom Action Research (CAR) method conducted in two cycles, starting from the pre-cycle to cycle I. the research involved 30 students and was conducted from February to April 2025. The instrument used was a cognitive test analyzed quantitatively to measure student learning outcomes. The results showed an increase in the average student score from 51.23 in the pre-cycle to 76.2 in cycle I. the percentage of learning mastery also significantly increased from 16% to 57%. The implementation of the Project-Based Learning (PjBl) model provided a concrete and comprehensible learning experience, enhancing student participation and motivation.

The classical mastery score of Grade XI ATPH 3 students at SMK Negeri 1 Purwosari in the fertilization element of fertilization techniques subject for the 2024/2025 academic year, did not meet the minimum required standard. This study aimed to determine the effectiveness of the Problem Based Learning (PBL) method in improving student learning outcomes in the fertilization element of the fertilization techniques subject. The classroom action research was conducted in two cycles. Based on data analysis and reflection, it was concluded that the Problem Based Learning (PBL)method effectively improved the learning outcomes of Grade XI ATPH 3 students at SMK Negeri 1 Purwosari. In the first cycle, the student mastery was 30.30% with an average score of 61.82, while in the second cycle, mastery increased to 75.76% with an average score of 81.21.

This study aims to improve the reading comprehension skills of Class VIB students at UPT SPF SDN Sudirman 1 Makassar through the implementation of the Survey, Question, Read, Recite, Review (SQ3R) method. The background of the study is the low learning outcomes in Indonesian language subjects, particularly in reading comprehension. Out of 32 students, only 20 reached the Minimum Mastery Criteria (KKM) score of 75. This research uses a Classroom Action Research (CAR) approach conducted in two cycles. Each cycle includes the stages of planning, action, observation, and reflection. The instruments used in this study were observation sheets, written tests, and documentation. The results showed a significant improvement in students’ reading comprehension abilities. The average score increased from 70.63 in the first cycle to a higher score in the second cycle, with more students achieving the KKM. Additionally, students showed greater participation and enthusiasm during the learning process after the SQ3R method was applied. These findings indicate that the SQ3R method is effective in enhancing reading comprehension and can be used as an alternative learning strategy in teaching Indonesian language at the elementary school level.

This study aims to evaluate the effectiveness of the Jarimatika method in enhancing elementary school students’ multiplication skills. The research stems from the issue of students’ limited understanding of multiplication concepts, often caused by monotonous and less engaging teaching methods. A literature review approach was employed by examining eight relevant previous studies. Data analysis was conducted by comparing findings across various sources. The results indicate that the Jarimatika method significantly improves student learning outcomes, both in terms of average scores and mastery levels. Moreover, it boosts students’ motivation and active participation during the learning process, proving effective across different grade levels. The use of fingers as a counting tool helps make the learning experience more tangible, enjoyable, and accessible for students. Therefore, Jarimatika is recommended as a viable alternative strategy for teachers in teaching mathematics at the elementary level, especially for multiplication topics.    

This study investigates the dual impact of teacher competence on student academic performance and the development of leadership qualities in Senior High Schools and Vocational High Schools in Kabupaten Serang, Banten Province. Using a qualitative research approach, data were collected through interviews, focus groups, and classroom observations involving teachers and students. The findings reveal that teacher competence encompasses not only mastery of subject matter and pedagogical skills but also emotional intelligence and leadership modeling. Competent teachers create supportive and participatory learning environments that enhance both academic achievement and leadership development among students. The research highlights that effective teachers are those who not only deliver content but also engage students in meaningful ways, fostering a sense of belonging and motivation. This engagement is crucial, as it encourages students to take ownership of their learning and develop critical thinking skills. Furthermore, the study identifies that teachers who model leadership behaviors—such as ethical decision-making, effective communication, and collaboration—significantly influence students' perceptions of leadership and their willingness to adopt similar traits. However, challenges such as limited access to professional development and resource constraints affect the full realization of teacher competence. Many teachers express a desire for ongoing training and support to enhance their skills, yet systemic barriers often hinder their professional growth. The study underscores the need for comprehensive teacher development programs and policy support to improve educational outcomes holistically. These insights are valuable for educators, policymakers, and school administrators aiming to foster academic excellence and leadership skills in students. By prioritizing teacher competence and providing the necessary resources, schools can create an environment that not only promotes academic success but also prepares students to become effective leaders in their communities. 

This study aimed to improve the learning outcomes of second-grade students at SD Negeri Latsari Tuban in Indonesian language lessons, specifically focusing on the theme "My Unique Family." The classroom activities were designed to encourage active student participation through group discussions on related topics. The research was conducted over two cycles, applying a scientific approach to the learning process.The findings showed a 20% improvement in student learning outcomes, with the average score increasing to 8.68. Mastery levels also improved significantly, from 69% in the first cycle to 89% in the second cycle. These results demonstrate that the scientific approach effectively enhanced student understanding and engagement during the lessons.Overall, the study concludes that the scientific approach is a beneficial method for improving learning outcomes in Indonesian language subjects. It also suggests the broader applicability of this method for enhancing student achievement across other themes and subject areas.

Guided inquiry is recognized as an effective instructional model for Vocational High Schools (SMK), as it actively engages students in systematic exploration and investigation with teacher guidance. This study aims to address the problem of low student engagement and learning outcomes by implementing the guided inquiry model in classroom instruction. The research employed a Classroom Action Research (CAR) design, conducted over two cycles, each comprising the stages of planning, action, observation, and reflection.The participants consisted of 36 students from Class X of the Agribusiness for Food Crops and Horticulture (ATPH) program at SMK Negeri 1 Purwosari during the 2024/2025 academic year. Data collection instruments included student engagement observation sheets, evaluation tests, and documentation, with data analyzed using descriptive quantitative methods. The findings revealed that the guided inquiry model significantly improved both student engagement and learning outcomes in the topic of vegetative propagation. Student engagement increased from 32.81% in the pre-cycle to 70.49% in the first cycle and 84.72% in the second cycle. Similarly, the percentage of students achieving mastery in learning outcomes rose from 38.89% in the pre-cycle to 83.33% in the first cycle and reached 100% in the second cycle.