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All Journal JOURNAL OF SCIENCE AND SOCIAL RESEARCH
Rani Lestary Br Sitepu
Universitas Negeri Medan
Computer Science & IT Economics, Econometrics & Finance Education Social Sciences

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PENGARUH KOMUNIKASI INTERPERSONAL DAN MOTIVASI BELAJAR TERHADAP PRESTASI BELAJAR SISWA PADA MATA PELAJARAN KORESPONDENSI SISWA KELAS X SMK NEGERI 1 KABANJAHE Tauada Silalahi; Nelly Armayanti; Rani Lestary Br Sitepu
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 4 (2026): August 2026 (1)
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i4.6984

Abstract

This study aimed to determine the influence of interpersonal communication and learning motivation on the learning achievement of tenth-grade students in the Correspondence subject at SMK Negeri 1 Kabanjahe. This research employed a quantitative approach with a population of 108 students and a sample of 85 students. Data were collected through questionnaires and documentation and analyzed using multiple linear regression. The results showed the regression equation Y = 62.040 + 0.078X₁ + 0.261X₂. Partially, interpersonal communication had no significant effect on learning achievement (t = 0.972; p = 0.334), whereas learning motivation had a positive and significant effect (t = 4.817; p < 0.001). Simultaneously, both variables significantly affected learning achievement (F = 58.234; p < 0.001). The coefficient of determination indicated that the model explained 57.7% of the variance in learning achievement. Learning motivation was the dominant factor affecting students' learning achievement.
Co-Authors Armayanti, Nelly Tauada Silalahi