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All Journal Lencana: Jurnal Inovasi Ilmu Pendidikan
Barton Wenda
STKIP Abdi Wacana Wamena
Arts Humanities Education Languange, Linguistic, Communication & Media Other

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Peran Strategis Kepala Sekolah dalam Peningkatan Kinerja Guru di SMP YPPK Bonaventura Sentani, Provinsi Papua Andinus Yanengga; Barton Wenda; Marthinus Kayame
Lencana: Jurnal Inovasi Ilmu Pendidikan Vol. 4 No. 1 (2026): Januari :Jurnal Inovasi Ilmu Pendidikan
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/lencana.v4i1.6069

Abstract

This research aims to investigate the strategies implemented by the school principal in improving teacher performance, while also identifying the supporting and inhibiting factors and assessing the impacts of these strategies. The study adopts a qualitative case study approach, involving seven participants comprising the principal, teachers, school committee representatives, and a school supervisor. Data were collected using detailed interviews, on-site observations, and examination of relevant documents. The analysis process involved condensing the data, organizing it systematically, and then forming conclusions based on the findings. To maintain the credibility and reliability of the findings, several validation procedures were applied, including extended engagement in the field, careful and continuous observation, triangulation of data sources, peer discussions, and in-depth case analysis. The results reveal that teachers demonstrate a strong sense of responsibility in carrying out their duties, while discipline is maintained through the consistent implementation of rules and corrective measures. The principal applies a fair and needs-based approach in managing teachers, which contributes to a high level of job satisfaction. Work management is organized systematically through clear task allocation and proportional workload distribution. Furthermore, incentives are provided in accordance with assigned responsibilities, and the principal actively acknowledges teachers’ achievements. These practices collectively foster increased motivation and contribute to improved overall performance within the school. 
Praktik Berhitung Tradisional pada Masyarakat Suku Lani di Kabupaten Lanny Jaya Andinus Yanengga; Barton Wenda
Lencana: Jurnal Inovasi Ilmu Pendidikan Vol. 4 No. 1 (2026): Januari :Jurnal Inovasi Ilmu Pendidikan
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/lencana.v4i1.6343

Abstract

This study aimed to describe the traditional counting practices of the Lani people in Lanny Jaya Regency and to identify the mathematical concepts embedded within those practices. The study employed a qualitative approach with an ethnographic design. Data were collected through observation, in-depth interviews, and documentation involving traditional leaders, community leaders, farmers, livestock breeders, and community members knowledgeable about traditional counting practices. Data analysis was conducted through data reduction, data display, and conclusion drawing, while data validity was ensured through source and technique triangulation. The findings revealed that the Lani people still utilize traditional counting practices in various daily activities, including livestock counting, crop distribution, customary payments, stone-burning ceremonies, and other social activities. The traditional number system consists of Ambir (one), Mbere (two), Kenagan (three), Mbereo (four), Abenok Linggi’togon (five), and subsequent numbers formed through combinations and additions of basic numbers. These counting practices reflect mathematical concepts such as numbers, one-to-one correspondence, addition, subtraction, grouping, comparison, and estimation. From an ethnomathematical perspective, these traditional counting practices represent mathematical activities embedded in cultural traditions and transmitted across generations.
Co-Authors Andinus Yanengga Marthinus Kayame