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All Journal Journal of Management Analytical and Solution Journal Of Management Analytical and Solution (JoMAS) AGROBUN: Jurnal Ilmu Pertanian
Juniarsih, Triara
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance

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PENGARUH PEMBERIAN NUTRISI AB MIX DAN POC URINE KELINCI TERHADAP PERTUMBUHAN DAN HASIL SAWI PAKCOY (Brassica rapa L.) SISTEM HIDROPONIK WICK kajarina, selly; Juniarsih, Triara
Agrobun Vol 1 No 1 (2024): AGROBUN: Januari-Juni
Publisher : LPPM Universitas Tjut Nyak Dhien

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36490/agrobun.v1i1.1210

Abstract

Tujuan penelitian adalah mengetahui pengaruh dari pemberian AB Mix dan Poc Urine Kelinci terhadap pertumbuhan sawi pakcoy. Penelitian ini telah dilakukan pada Rumah Kasa Fakultas Pertanian dan Peternakan Universitas Tjut Nyak Dhien, Medan. Pengumpulan data menggunakan metode Rancangan Acak Kelompok (RAK) Faktorial dengan 2 perlakuan, Faktor AB Mix P0 (Tanpa AB Mix), P1(5 ml/L) dan Faktor Pupuk Organik Cair Urine Kelinci U1(5 ml/L), U2(10 ml/L), U3(15 ml/L). Data hasil pengamatan dianalisis dengan uji ragam, jika hasil memperihatkan perlakuan berpengaruh tidak nyata akan dilanjukan dengan uji DMRT. Hasil penelitian memperlihatkan Pemberian POC Urine Kelinci berpengaruh sangat nyata terhadap volume akar dengan perlakuan terbaik yaitu U1 (5 ml/l). Namun perlakuan AB Mix berpengaruh tidak nyata terhadap tinggi tanaman, jumlah daun, luas daun, bobot segar tanaman dan volume akar. Hasil penelitian dapat disimpulkan bahwa indikator terbaik yaitu U1 (5 ml/l).
Information System Quality and Student Satisfaction: An Empirical Analysis of the SATU USU System at Universitas Sumatera Utara Fajar Putra, Adika; Juniarsih, Triara
Journal Of Management Analytical and Solution (JoMAS) Vol. 6 No. 1 (2026): Journal Of Management Analytical and Solution
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jomas.v6i1.24785

Abstract

This study investigates the influence of information quality within the SATUUSU academic information system on student satisfaction at the Faculty ofVocational Studies, Universitas Sumatera Utara. The research employs aquantitative approach using Partial Least Squares–Structural Equation Modeling(PLS-SEM) to analyze the relationship between information quality and studentsatisfaction. A total of 105 respondents were selected from a population of 2,500active students using the Slovin formula with a 10% margin of error. Informationquality was measured through five indicators: accuracy, completeness,relevance, clarity, and timeliness. Student satisfaction was assessed usingindicators of ease of use, interface satisfaction, perceived usefulness, systemsuitability, and overall satisfaction. The measurement model results demonstratestrong validity and reliability, indicated by outer loading values exceeding 0.70,Average Variance Extracted (AVE) values above 0.50, and composite reliabilityvalues greater than 0.90. The structural model analysis shows an R-square valueof 0.802, indicating that information quality explains a substantial proportion ofthe variance in student satisfaction. Bootstrapping results confirm a significantpositive effect of information quality on student satisfaction (β = 0.896; t =30.165; p < 0.001). These findings highlight the critical role of high-qualityinformation in improving user satisfaction with academic information systems inhigher education institutions.
Information System Quality and Student Satisfaction: An Empirical Analysis of the SATU USU System at Universitas Sumatera Utara Fajar Putra, Adika; Juniarsih, Triara
Journal Of Management Analytical and Solution (JoMAS) Vol. 6 No. 1 (2026): Journal Of Management Analytical and Solution
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jomas.v6i1.24785

Abstract

This study investigates the influence of information quality within the SATUUSU academic information system on student satisfaction at the Faculty ofVocational Studies, Universitas Sumatera Utara. The research employs aquantitative approach using Partial Least Squares–Structural Equation Modeling(PLS-SEM) to analyze the relationship between information quality and studentsatisfaction. A total of 105 respondents were selected from a population of 2,500active students using the Slovin formula with a 10% margin of error. Informationquality was measured through five indicators: accuracy, completeness,relevance, clarity, and timeliness. Student satisfaction was assessed usingindicators of ease of use, interface satisfaction, perceived usefulness, systemsuitability, and overall satisfaction. The measurement model results demonstratestrong validity and reliability, indicated by outer loading values exceeding 0.70,Average Variance Extracted (AVE) values above 0.50, and composite reliabilityvalues greater than 0.90. The structural model analysis shows an R-square valueof 0.802, indicating that information quality explains a substantial proportion ofthe variance in student satisfaction. Bootstrapping results confirm a significantpositive effect of information quality on student satisfaction (β = 0.896; t =30.165; p < 0.001). These findings highlight the critical role of high-qualityinformation in improving user satisfaction with academic information systems inhigher education institutions.
Co-Authors Fajar Putra, Adika Kajarina, Selly