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All Journal Didaktika: Jurnal Kependidikan International Journal of Educational and Psychological Sciences (IJEPS)
Nadya Ramadhani
Universitas Negeri Medan
Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Development of Bilingual Mathematics Digital Pocket Book to Improve Student’s Ability in Understanding Plane Topic Nadya Ramadhani; Rahman Pratama Hasibuan
International Journal of Educational and Psychological Sciences Vol. 1 No. 4 (2023): November 2023
Publisher : MultiTech Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59890/ijeps.v1i4.915

Abstract

The aim of this study was to develop a valid, practical, and effective bilingual mathematics digital pocket book to improve students’ ability in understanding plane topic. The study was held at SMP Islam Al-Ulum Terpadu Medan. The subject of this research was class VII-A. This study was a research and development (R&D) study using the ADDIE Model. The data collection technique used a questionnaire sheet for the assessment of material experts, teaching materials experts, learning practitioners and student responses. The results showed that the bilingual mathematics digital pocket book in plane topic obtained an average percentage of 93.18% with the criteria "very valid" by the assessment of material experts and teaching materials experts, obtaining an average percentage of 94.5% with the criteria of "very practical" by the assessment. learning practitioners, and obtained an average percentage of 86.72%. with the criteria of "very effective" by student assessment. Bilingual mathematics digital pocket book in plane topic that has been developed in this study was also considered "effective" if it was seen that the post-test scores reached 90% compared to the pre-test scores which reached 56%. Thus, based on the results of the assessment of material experts, teaching material experts, learning practitioners, and students, it can be said that the bilingual mathematics digital pocket book in plane topic has been tested to be valid, practical and effective for use in learning.
Exploration of The Principal's Transformational Leadership Style In Increasing Teacher Motivation Ahmad Rifai Siregar; Jodi Mahmud Siregar; Nadya Ramadhani; Nur Halimah Matondang; Arif Rahman; Deny Setiawan
Didaktika: Jurnal Kependidikan Vol. 13 No. 2 (2024): Didaktika Mei 2024
Publisher : South Sulawesi Education Development (SSED)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58230/27454312.708

Abstract

This research explores the transformational leadership styles that principals employ in an effort to increase teacher motivation. Using a qualitative approach, this study seeks to understand in depth how school principals apply transformational leadership dimensions, such as idealistic influence, inspirational motivation, intellectual stimulation, and individual consideration, and analyze the impact on teacher motivation in carrying out duties and responsibilities. Data will be collected through participatory observations within the school environment, in-depth interviews with principals, teachers, and other stakeholders, as well as documentation studies of related documents. Data analysis will be carried out inductively, by identifying patterns, themes, and relationships that arise from the data obtained. This research is expected to provide a more comprehensive understanding of the implementation of transformational leadership styles by school principals in the context of education in Indonesia. Research findings can be a reference for school principals and other education stakeholders in formulating strategies and policies to increase teacher motivation, ultimately contributing to improving the overall quality of education.
Co-Authors Ahmad Rifai Siregar Arif Rahman Deny Setiawan Jodi Mahmud Siregar Nur Halimah Matondang Rahman Pratama Hasibuan