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All Journal PIJAR: Jurnal Pendidikan dan Pengajaran Jurnal Pengabdian Masyarakat dan Riset Pendidikan
Ruth Angelina Pardede
Unknown Affiliation
Humanities Education Languange, Linguistic, Communication & Media Mathematics Other

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Pengaruh Kepemimpinan Kepala Sekolah Terhadap Kinerja Guru di Sekolah SMA Swasta Kampus HKBP Nommensen Pematangsiantar: Penelitian Septianus Simarmata; Jatenra Hutahaean; Ririn Tampubolon; Theresia Sigiro; Ruth Angelina Pardede; Kamucia Marbun; Septinar Silalahi; Susy Alestriani Sibagariang
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 3 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 3 (Januari 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i3.5236

Abstract

This study aims to analyze the effect of principal leadership on teacher performance in the implementation of the Field Experience Program (PPL) at SMA Swasta Kampus Nommensen, Pematangsiantar City. The research employed a quantitative approach using a descriptive associative method. The population of this study consisted of all teachers at SMA Swasta Kampus Nommensen, totaling 32 teachers, and all members of the population were included as research samples using a total sampling technique. Data were collected through a five-point Likert-scale questionnaire developed based on indicators of principal leadership and teacher performance. Principal leadership was measured through indicators including directing ability, communication skills, decisiveness in decision-making, role modeling, and professional development of teachers. Meanwhile, teacher performance was assessed based on indicators such as discipline, responsibility, teaching competence, collaboration, and instructional innovation. Data analysis involved instrument validity and reliability tests, prerequisite assumption tests, and simple linear regression analysis using SPSS version 27. The results revealed that the data were normally distributed and the regression model was considered feasible. Teachers’ responses to the PPL questionnaire were predominantly in the Agree and Strongly Agree categories, with positive responses reaching 50.1%, indicating that principal leadership and teacher performance were at a fairly good level. Hypothesis testing demonstrated that principal leadership had a significant effect on teacher performance. These findings suggest that effective principal leadership contributes to improved teacher performance in the implementation of the Field Experience Program. However, further improvement is still required, particularly
Efektivitas Model Pembelajaran Ulos Terhadap Keterampilan Proses Sains Siswa Di Sma Swasta Ir. H. Djuanda Tebingtinggi Ruth Angelina Pardede; Sudirman TP Lumban gaol; Apriani Sijabat
PIJAR: Jurnal Pendidikan dan Pengajaran Vol. 4 No. 2 (2026): April
Publisher : CV Putra Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58540/pijar.v4i2.1654

Abstract

Penelitian ini bertujuan untuk mengetahui efektivitas model pembelajaran ULOS terhadap keterampilan proses sains siswa pada materi fluida statis di SMA Swasta Ir. H. Djuanda Tebingtinggi. Penelitian ini dilatarbelakangi oleh rendahnya keterampilan proses sains siswa dalam pembelajaran fisika akibat pembelajaran yang masih berpusat pada guru sehingga siswa kurang aktif dalam kegiatan ilmiah. Penelitian ini menggunakan pendekatan kuantitatif dengan jenis penelitian kuasi eksperimen dan desain Nonequivalent Control Group Design. Sampel penelitian terdiri dari dua kelas, yaitu kelas XI Einstein I sebagai kelas kontrol dan kelas XI Einstein II sebagai kelas eksperimen yang masing-masing berjumlah 36 siswa. Teknik pengumpulan data menggunakan tes keterampilan proses sains berbentuk uraian melalui pretest dan posttest. Data dianalisis menggunakan uji validitas, uji reliabilitas, tingkat kesukaran, uji daya pembeda, uji normalitas, uji N-Gain, uji hipotesis. Hasil penelitian menunjukkan bahwa model pembelajaran ULOS efektif dalam meningkatkan keterampilan proses sains siswa. Hal ini terlihat dari peningkatan nilai posttest kelas eksperimen yang lebih tinggi dibandingkan kelas kontrol. Dengan demikian, model pembelajaran ULOS dapat digunakan sebagai alternatif pembelajaran yang mampu meningkatkan keterampilan proses sains siswa pada materi fluida statis.
Co-Authors Apriani Sijabat Jatenra Hutahaean Kamucia Marbun Ririn Tampubolon Septianus Simarmata Septinar Silalahi Sibagariang, Susy Alestriani Sudirman TP Lumban gaol Theresia Sigiro