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Development of The Conception of Mechanical Energy Conservation with Interactive Lecture Demonstration Method using Simple Experiments for Grade 7 Students Wijanarka, Willi Anindita; Zai, Julius; Santi, Winda Noor; Rahmawati, Laifa; Rameli, Mohd Rustam Bin Mohd
Indonesian Review of Physics (IRiP) Vol 2, No 2 (2019)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (401.992 KB) | DOI: 10.12928/irip.v2i2.1275

Abstract

The purpose of this research is to develop a student's conception of mechanical energy conservation with the Interactive Lecture Demonstration method. The participants consisted of 19 students of class 7E SMP Muhammadiyah 1 Mlati in 2018/2019 academic year. The analysis of the student's sheet prediction showed that most students do not understand the conception of mechanical energy conservation. After learning applied, it is known that all students have understood the influence of the height of the object on potential energy, 18 of them have understood the influence of the mass of the object on potential energy. While students' understanding of changes in mechanical energy when objects fall and the influence of mass on kinetic energy has increased slightly. Through the Wilcoxon signed-rank test, it was concluded that there was an effect of the use of interactive demonstration methods on student learning outcomes in the matter of mechanical energy conservation conceptions.
Analisis Kepemimpinan terhadap Kinerja Guru di SMP Muhammadiyah 10 Yogyakarta Afani, Adinnda Noor; Marampa, Adriana Madya; Santi, Winda Noor
Journal of Comprehensive Science Vol. 4 No. 6 (2025): Journal of Comprehensive Science
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/jcs.v4i6.3346

Abstract

This study aims to analyze the leadership style of the principal at SMP Muhammadiyah 10 Yogyakarta and its impact on teacher performance. Using a descriptive qualitative approach, data were collected through observations, in-depth interviews, and document studies. The findings indicate that the principal applies a transformational and collaborative leadership style, characterized by openness, support for innovation, and the empowerment of teachers. Strategies such as continuous academic supervision, internal training, the establishment of learning communities, and the use of educational technology have proven to positively affect teacher motivation, professionalism, and work spirit. However, challenges such as the digital literacy gap, high administrative burdens, and varying teacher characteristics remain significant obstacles. These findings highlight the importance of adaptive, communicative leadership that fosters collaboration in creating a productive work environment and enhancing the quality of education. This study is expected to contribute to the development of leadership in schools and provide insights for school principals in utilizing effective leadership strategies to improve teacher performance.