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All Journal International Journal of Ethno-Sciences and Education Research
Yurechko, Mariyan
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Religion Humanities Education Languange, Linguistic, Communication & Media Mathematics Transportation Other

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Measuring the Effectiveness of Differential Calculus Learning Using Open Ended Based Teaching Materials Yurechko, Mariyan; Pryimak, Evgen
International Journal of Ethno-Sciences and Education Research Vol. 2 No. 4 (2022): International Journal of Ethno-Sciences and Education Research (IJEER)
Publisher : Research Collaboration Community (Rescollacom)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijeer.v2i4.388

Abstract

This study aims to produce differential calculus teaching materials using a good (valid, practical and effective) open-ended approach to improve students' critical and creative thinking skills, and compare their effectiveness with teaching materials prepared in the context of implementing the implemented curriculum. This research is research and development (Research and Development). The development models referred to are the modified Dick & Carey and Borg & Gall models. The steps in this development are researching and gathering information, developing teaching, selecting and developing teaching materials, initial trials, revisions, main trials, and final product revisions. Initial trials and main trials are carried out in a university. Product validity is validated by experts. Product practicality is assessed by product users, namely lecturers and students. Product effectiveness was tested using an inferential statistical test by looking at the significant differences in the mean of the pretest and posttest scores in terms of students' critical and creative thinking abilities. Next, the effectiveness will be compared between the control class and the experimental class. The results of the research show that the product developed is in the very valid category according to the experts, practical according to the teacher's assessment, and very practical according to the students. The resulting product is also effective, even more effective when compared to teaching materials in terms of critical and creative thinking skills student.
Assistance for Student Entrepreneurial Character Development through Compost Fertilizer Production Activities from Household Waste Riyansyah, Ahmad; Owoyemi, Abiodun Ezekiel; Laksito, Grida Saktian; Yurechko, Mariyan
International Journal of Ethno-Sciences and Education Research Vol. 3 No. 3 (2023): International Journal of Ethno-Sciences and Education Research (IJEER)
Publisher : Research Collaboration Community (Rescollacom)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijeer.v3i3.424

Abstract

Socialization activities on composting practices by utilizing household waste as an effort to take advantage of potential and protect the surrounding environment. This activity was carried out at  Junior High School 2 Jatinangorwith the aim of creating a mindset for productive behavior and an entrepreneurial spirit from the production of compost which has high economic value. The method of implementing community service activities is carried out with training that produces skills, lecture methods, questions and answers, discussions, simulations and mentoring. The results of the activity revealed that the implementation of this composting activity was recognized by some students as an easy, simple, and beneficial practice for greening the environment. Socialization of making compost provides great benefits, namely an increase in students' knowledge about the benefits of organic waste residue as raw material for making compost. With this activity it is hoped that the impact will affect students' desire to always protect the environment and be able to apply it at home and in the environment around where they live in stages.
Co-Authors Ahmad Riyansyah, Ahmad Laksito, Grida Saktian Owoyemi, Abiodun Ezekiel Pryimak, Evgen