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This study aims to analyze the influence of internal combustion engine instructional tools on the competency achievement of cadets at the Indonesian Naval Academy Technical Corps. Using a mixed-methods research approach with sequential explanatory design, this study involved 160 cadets divided into experimental group (n=80) and control group (n=80). Quantitative data were collected through knowledge competency tests, practical skills assessments, and attitude scales, while qualitative data were obtained through in-depth interviews, focus group discussions, and participatory observations. The results showed that internal combustion engine instructional tools had a positive and significant effect on cadet competency achievement in three domains: knowledge (Cohen's d = 1.56), practical skills (Cohen's d = 2.68), and learning attitudes (Cohen's d = 1.62). Multivariate analysis showed that the use of internal combustion engine instructional tools explained 68.8% of the variance in the combination of cadet competencies (Wilks' Lambda = 0.312, p<0.001). Qualitative findings identified four main themes: enhanced conceptual understanding, hands-on skills development, increased motivation and engagement, and implementation constraints. Mediation analysis showed that attitude served as a partial mediator in the relationship between instructional tools and competency achievement. The results confirm that internal combustion engine instructional tools are a crucial determinant factor in technical competency achievement, with significant implications for military technical education curriculum development and Indonesian Navy operational readiness.

This research aims to identify and analyze the essential instructional tools needed in gas turbine learning for cadets of the Naval Academy's engineering corps using a mixed-method approach with an explanatory sequential design involving 160 respondents, consisting of 120 engineering corps cadets, 15 instructors, and 25 field engineering officers. The research results identified 28 types of gas turbine instructional tools categorized into four groups, with simulators and software showing the highest level of importance (4.65/5.0), and there were significant differences in the perception of importance levels among the three groups of respondents (F(2,157) = 12.45, p < 0.001). The AHP analysis produced a priority framework in four levels, with Level 1 encompassing 5 essential instructional tools: gas turbine simulator (0.742), gas turbine cut-section model (0.698), control system trainer kit (0.681), interactive learning video (0.673), and troubleshooting simulator (0.667). Regression analysis showed that instructional tools significantly contribute to learning effectiveness (R² = 0.742), with the gas turbine simulator as the main predictor (β = 0.384), positively impacting the cognitive aspect with a 26.8% increase in concept understanding (effect size 1.24), the affective aspect with an increase in learning motivation and career interest from 67% to 84%, and the psychomotor aspect with a 33.7% increase in hands-on skills and a 28.5% reduction in troubleshooting time. The resulting priority framework provides strategic guidance for optimizing resources and gradually developing gas turbine learning capabilities in military educational institutions, despite facing major obstacles such as budget constraints, technology compatibility, lack of quality human resources, and limited laboratory infrastructure.

This study developed a Discovery Learning model with a Meaningful Learning approach to improve students' critical thinking skills in Economics at SMAN 2 Tulang Bawang Udik. The study used the ADDIE model and produced a conceptual model, lesson plans, student worksheets, and HOTS assessment instruments. Expert validation results showed that the products were feasible, practicality tests obtained a very practical category, and effectiveness tests with a Nonequivalent Control Group design showed that the critical thinking of students in the experimental class was higher than that of the control class. These results confirm that this learning model is feasible, practical, and effective, and can be a guide for teachers for active, contextual, and high-level thinking skills-oriented learning. Additionally, the integration of Discovery Learning and Meaningful Learning provides a structured and student-centered learning process that encourages learners to construct knowledge independently while connecting concepts to real-life contexts. The resulting learning tools also support teachers in implementing systematic instruction that fosters student engagement and deeper understanding. Overall, the developed model contributes to improving instructional quality in Economics education and offers an innovative alternative for enhancing students’ cognitive abilities, particularly in critical thinking.

The low level of PAI learning activity among students is the driving force for this study. It is believed that the use of learning techniques is inextricably linked to this low activity in PAI learning. Index Card Match is one of the instructional strategies that is thought to have an impact on students' learning activities. to determine if there is a noteworthy impact on Index Card Match use. In order to go toward active learning, the author must carry out experimental study. The Quasy Experiment Design approach was used as the research method in this quantitative study. The location of this study is SDIT Juara Padang Panjang. Class IV A, IV B, and IV C, which were selected at random from 76 students' PTS scores, made up the study's population. Class IV A served as the experimental class and Class IV B as the control class. A questionnaire was one of the research tools utilized in this study (questionnaire). The t-test and F-test were used in the analytical process. The f-test was employed in the experimental class and the t-test in the control class to analyze the data. Based on the data processing results, the study findings indicate that there is a substantial difference in the usage of the Index Card Match technique on students' active PAI learning, supporting the first hypothesis. The fact that tcount (2,560) is higher than ttable (1,677) indicates this. Furthermore, it is evident that there is a considerable impact since the second hypothesis, Fcount, is 96.057 at a significance level of 0.010 <0.05, leading to the rejection of Ho and the acceptance of Ha. Thus, it can be said that using the Index Card Match Method has a big impact on active PAI learning.

Learning media is one of the tools that is really needed by Sulaimaniyah Kutacane Foundation Education Teachers when teachers carry out their learning, both inside and outside the classroom. The use of learning media so far has only relied on manufactured learning media and not the work of teachers. These manufactured learning media are quite expensive and not affordable for the Sulaimaniyah Kutacane Foundation Education Teachers in the area. Likewise with the Sulaimaniyah Kutacane Foundation Education Teachers where community service is carried out. The method used in this community service is community education. the extension team carries out counseling, the extension team observes changes in the behavior of the Sulaimaniyah Kutacane Foundation Education Teachers, the extension team observes these changes in behavior and it is hoped that they can be applied to real actions that have a direct effect on the quality of learning, the extension team periodically observes the improvement in the quality of teachers' learning. Sulaimaniyah Kutacane Foundation Education teacher, the extension team observed the results of the extension that had been carried out, with the hope that teachers would become more skilled in creating their own learning media. The success of this community service activity, when seen from the Sulaimaniyah Kutacane Foundation Education Teachers, can reach 95%, because the Sulaimaniyah Kutacane Foundation Education Teachers who were given counseling were able to produce learning media products in accordance with what was explained by the extension team. The participation of the Sulaimaniyah Kutacane Foundation Education Teachers in this extension activity was complete and complete until the end of the activity. Extension activities for Sulaimaniyah Kutacane Foundation Education Teachers with other materials are suitable to be carried out next.

Digital technology has completely changed how students access and interact with instructional information in today's schools. Digital tools are becoming more commonplace in the learning environment, which calls for a critical analysis of how students view and use these resources. This article seeks to explore how learners view the application of digital technologies to learning. Investigate the advantages that students feel they receive from using digital devices in the classroom and Determine the issues and worries students have with the inclusion of digital tools. A mixed-methods strategy was used to complete the study's goals, using quantitative and qualitative research techniques, there are survey, interview and literature review. The following are some of the major findings: Learners appreciate the advantages of digital technologies, including improved engagement, easy access to a plethora of knowledge, and individualized learning experiences. Effective educational practices have a favourable effect on students' experiences, and educators play a crucial role in influencing students' attitudes towards technology. The significance of a balanced strategy that takes advantage of technology's benefits while tackling its downsides is emphasised by learners. This study emphasises how important it is to take learners' opinions into account when creating digital learning environments. To maintain the relevance, engagement, and inclusivity of educational experiences, learner voices should be actively considered when making decisions on technology integration. Collaboration between academics, organisations, and politicians is required to strike this balance between utilising digital technologies' advantages and solving the problems they present. In the end, the study's findings provide insightful information for those involved in education, emphasising the necessity for a learner-centric strategy for integrating digital technology.

This research investigates the role of digital tools in the teaching of science, comparing traditional instructional methods with those enhanced by technology. A series of classroom interventions were implemented in secondary schools, utilizing digital simulations and interactive platforms. The results indicate that technology-enhanced methods improved student engagement, understanding of complex scientific concepts, and academic performance. The paper highlights the potential of digital tools to transform science education and recommends strategies for their effective integration in the classroom.

Instructional media plays a crucial role in achieving educational objectives. Educators need to develop teaching strategies using various appropriate media and learning resources. Currently, GASING mathematics instructional media only consists of modules, PowerPoint, and teaching aids. This indicates the untapped potential in utilizing instructional media such as animated videos as engaging and effective learning tools. Based on this issue, the researcher employed the GASING method in the subject of mathematics, specifically focusing on multiplying 2-digit numbers by 1-digit numbers. This study aims to ascertain the development process and feasibility of animated videos using Powtoon. These animated videos were developed using the ADDIE model. Based on validation results by language experts, an average of 98.33% was obtained, while content experts yielded an average percentage of 78.18%. Furthermore, media experts achieved an average percentage of 90.67%, and individual trials (One to One) resulted in an average percentage of 85.64%. Based on the validation results by experts, it can be concluded that animated video instructional media using Powtoon in mathematics with the GASING method as the developed instructional media is highly suitable for field use, as evidenced by the average percentage of feasibility obtained being 88.21% (very feasible).