This research aims to test the effect of the kit Programmable Logic Controller (PLC) on the achievement of vocational school students' competencies in electrical motor control courses for form 3 students in Aceh, Indonesia. Constructivist theory and Bloom's Taxonomy are referenced in this study in relation to learning. While the ADDIE model is used in relation to product development. This study used a quasi -experimental design with pre- and post -tests. The population (N = 333) in this study was level 3 vocational students in Aceh, Indonesia. The number of samples was 98 people, consisting of the experimental group (n = 50) and the control group (n = 48) selected by cluster random technique. The instruments used in this study included pre- and post -test interview protocols. The values of the KR20 reliability coefficient of the question items on the knowledge aspect were 0.97 and 0.81 on the skills aspect. The results of the descriptive analysis found that the experimental group (mean = 64.08; SD = 4.548) showed better competency achievement than the control group (mean = 63.06; SD = 5.487). The result of hypothesis test using Mann Whitney test is [Asymp. Sig. (2-tailed) = .000, p <0.05] which means that the teaching aids developed have successfully had a positive effect in improving the achievement of student competencies. The implications of this study have produced a teaching aid that can be used as a template by teachers to build teaching aids that are more affordable, easy and safe to use so that they can be motivated to innovate in learning and become a new career opportunity. Given that the Covid-19 epidemic has affected face-to-face learning, the proposal for further research is the need to integrate logic control programming (PLC) learning aids into a technology-based learning trend. Researchers, on the other hand, suggest a broader scope of study whether teachers and students in a wider area and other fields of knowledge related to the utilization of PLC programming.
Green skills are the technical skills, knowledge, values and attitudes needed in the workforce to develop and support sustainable social, economic and environmental outcomes in business, industry and the community (as defined by the Green Skills Agreement, Australia). School teachers play a role in producing skilled labor that has green skills. The aim of this research is to explore the views of teachers regarding the instilling of green skills in students and the types of green skills applicable in schools. This research is a qualitative investigation using the method of in-depth interview to collect information from the teachers who handle the subject of Living Skill Integration in secondary schools. The respondents opine that the school can disseminate preliminary information about green skills, but the application of these skills in real life requires experienced teachers. Furthermore, these skills can be infused into various subjects so that students can have a holistic perspective of sustainability. The respondents also state that the types of skills applicable in schools are recycling or material management, which will minimize the use of electricity and water. The applications of these green skills in schools are a real challenge to teachers, but they will encourage students to commit themselves to the good cause of environment. Therefore, all parties concerned must make a concerted effort to promote green skills so that students and the public are well aware of the importance of preserving the environment.
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