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All Journal ELINVO (Electronics, Informatics, and Vocational Education) International Journal of Technology and Education Research Journal of Information Engineering and Technology Journal of Information Technology and Education (JITED)
Adi Dewanto
FT UNY
Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Other

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Multiple Linear Regression Model for Analyzing the Determinants of Rice Production in Sumatra Agusta, Gino Erman; Dewanto, Adi; Astriawati, Ningrum
International Journal of Technology and Education Research Vol. 3 No. 02 (2025): April - June, International Journal of Technology and Education Research (IJET
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v3i02.1714

Abstract

Rice production was a crucial component in maintaining national food security, particularly in Sumatra, which was known as one of Indonesia's rice granaries. This study aimed to analyze the determinant factors affecting rice production in Sumatra using a multiple linear regression approach. Secondary data utilized in this research included 224 observations from eight provinces in Sumatra, covering the period from 1993 to 2020. The independent variables analyzed included Year, Harvest Area, Rainfall, Humidity, and Average Temperature, with Rice Production as the dependent variable. The resulting multiple linear regression model was expressed by the following equation: Rice Production (Y) = −63.442.498,904 + 32.535,572 × Year + 4,622 × Harvest Area + 46,106 × Rainfall – 3.993,403 × Humidity – 62.701,579 × Average Temperature. Data processing was performed using SPSS software, which included normality testing, linearity testing, simultaneous F-test, and coefficient of determination analysis. The normality test results indicated that the residuals of the model were normally distributed (Asymp. Sig. = 0.227 > 0.05). The linearity test showed a significant linear relationship between the independent variables and rice production, with no deviation from linearity. The regression model demonstrated a coefficient of determination (R²) value of 0.877, meaning that 87.7% of the variation in rice production could be explained simultaneously by these five variables. Furthermore, the F-test results indicated that the regression model was statistically significant (Sig. = 0.000). These findings suggested that the five variables significantly influenced rice production and could serve as a basis for strategic decision-making in the agricultural sector. The resulting model also held the potential as a predictive tool in planning policies to enhance rice production in the future.
RANCANG BANGUN SISTEM E-COMMERCE UNTUK PENJUALAN BARANG ANTIK PADA TOKO RENVIN ANTIQUE GALLERY Kusuma, Aldo Surya; Dewanto, Adi
Journal of Information Technology and Education (JITED) Vol. 2 No. 2 (2024): September 2024
Publisher : Department of Electronics and Informatics Engineering Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jited.v2i2.736

Abstract

The development of digital technology has driven many businesses to utilize e-commerce systems in marketing their products. This research focuses on the design and implementation of a website-based e-commerce system to support the sale of antique items at Renvin Antique Gallery. The aim is to reach a wider market and enhance the online shopping experience for customers. A Research and Development (R&D) approach is adopted with stages including needs analysis, system design, implementation, testing, and evaluation. The research subjects involve the store owner and customers, with data collection techniques through interviews, observations, and questionnaire distribution. The research instrument utilizes the WebQual 4.0 model, which has been tested for validity and reliability, with data analysis using descriptive statistical methods aided by SPSS. The end result of this research is a web-based e-commerce system equipped with product catalog, shopping cart, checkout process, and PayPal payment integration features. Based on testing with WebQual 4.0, the system scores an average of 4.28 or 85.6%, which falls into the highly feasible category. The research concludes that the developed e-commerce system is able to meet user needs and provide a good online shopping experience. Suggestions for further development include regular optimization and updating of website content, more active promotion and marketing strategies, as well as periodic evaluations based on user feedback.
Pengembangan Game “Marko” Dengan Konsep Game-Based Learning untuk Siswa VII SMP Prasetyo, Ramadhani Eko; Dewanto, Adi
Journal of Information Engineering and Technology Vol. 1 No. 2 (2023): September 2023
Publisher : Department of Electronics and Informatics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jiety.v1i2.202

Abstract

Penelitian ini bertujuan untuk mengembangkan produk Game "Marko" dengan konsep game-based learning dan membuat media pembelajaran interaktif dengan menggunakan pembelajaran berbasis game. Penelitian ini merupakan penelitian pengembangan dengan menggunakan model pengembangan ADDIE, dengan 90 siswa kelas VII SMP Muhammadiyah 4 Yogyakarta. Game ini dikembangkan menggunakan mesin game Construct 3 dan menerima peringkat tinggi dari para ahli, dengan 96% pakar media dan 88% pakar materi menilainya sebagai media yang layak. Permainan ini juga menerima skala berkualitas berdasarkan standar ISO 25010, dengan keberhasilan 100% dalam fungsionalitas, kompatibilitas, dan kegunaan. Permainan ini mendapat perhatian dan mempertahankan interaktivitas media di antara siswa, dengan skala puas yang menunjukkan keberhasilannya dalam mempertahankan perhatian mereka. Aspek kemudahan belajar juga turut andil dalam kesuksesan permainan.
UJI KELAYAKAN SISTEM INFORMASI UNIT KESEHATAN SEKOLAH BERBASIS WEBSITE DI SMK MUHAMMADIYAH 1 BANTUL DENGAN FAKTOR KUALITAS MCCALL Mandala, Daya Prisandi; Dewanto, Adi
Elinvo (Electronics, Informatics, and Vocational Education) Vol. 2 No. 2 (2017): November 2017
Publisher : Department of Electronic and Informatic Engineering Education, Faculty of Engineering, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (390.474 KB) | DOI: 10.21831/elinvo.v2i2.17314

Abstract

Penelitian ini bertujuan untukmengetahuitingkatkelayakan Sistem Informasi Unit Kesehatan Sekolah Berbasis Website di SMK Muhammadiyah 1 Bantul. Metode yang digunakan dalam penelitian ini adalahkuantitatif. Prosedur pengujiandalam penelitian ini adalah White-Box Testing, Black-Box Testing, Alpha Testing dan Beta Testing. Objek penelitian ini adalah perangkat lunak Sistem Informasi Unit Kesehatan Sekolah Berbasis Website di SMK Muhammadiyah 1 Bantul. Teknik pengumpulan data dilakukan dengan kuesioner. Analisis data menggunakan analisis data kuantitatif. Hasil penelitian yang diperolehdariujikelayakan terhadap Sistem Informasi Unit Kesehatan Sekolah Berbasis Website di SMK Muhammadiyah 1 Bantul dengan menggunakan faktor kualitas McCall, diperoleh hasil kelayakan oleh ahli menyatakan Layak dan pengguna menyatakan Sangat Layak untuk digunakan.
Co-Authors Agusta, Gino Erman Kusuma, Aldo Surya Mandala, Daya Prisandi Ningrum Astriawati Prasetyo, Ramadhani Eko