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All Journal JINOP (Jurnal Inovasi Pembelajaran) Khazanah Informatika: Jurnal Ilmu Komputer dan Informatika Chi`e: Jurnal Pendidikan Bahasa Jepang Jurnal Obsesi: Jurnal Pendidikan Anak Usia Dini BAREKENG: Jurnal Ilmu Matematika dan Terapan Aulad : Journal on Early Childhood Math Educa Journal Natural Science: Jurnal Penelitian Bidang IPA dan Pendidikan IPA Borneo Journal Of Pharmascientech Journal of Science and Technology Mathematics and Applications (MAp) Journal Electronic Journal of Education, Social Economics and Technology Indonesian Journal of Early Childhood Educational Research
Amalina Amalina, Amalina
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Religion Arts Humanities Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Veterinary Other

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Journal : Journal of Science and Technology

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Kestasioneran Kurs Dolar Amerika dan Harga Saham Pada Masa Pandemi Covid 19 Tahun 2020 Rahimullaily, Rahimullaily; Amalina, Amalina
JOSTECH: Journal of Science and Technology Vol 1, No 1: Maret 2021
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (351.038 KB) | DOI: 10.15548/jostech.v1i1.2439

Abstract

This study aims to determine the stationarity of the US dollar exchange rate and stock prices during the Covid 19 pandemic. One of the interesting stocks to study is the stock price of PT Telecommunications Indonesia Tbk. The augmented Dickey-Fuller test was used to determine the stationarity of the two variables. The research data is sourced from secondary data through the official website of Bank Indonesia to view the US Dollar Exchange Rate and through the website investing to see the stock price of PT. Telekomunikasi Indonesia Tbk during the Covid 19 pandemic period in Indonesia occurred from March to December 2020. The results showed that the check of the stationary stock price of PT. Telekomunikasi Indonesia Tbk and the US Dollar exchange rate at level I (0) was not stationary. While the two variables are stationary in the first differencing conditions I (1).
The Influence of Smartphone Usage Duration and Frequency on Smartphone Addiction in Early Childhood Using Binary Logistic Regression Amalina, Amalina; Samat, N.A; Warmansyah, Jhoni
JOSTECH Journal of Science and Technology Vol 4, No 2: September 2024
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/jostech.v4i2.9768

Abstract

This study aims to identify the influence of smartphone usage duration and frequency on smartphone addiction in early childhood. With the increasing use of technology among children, it is crucial to understand how these factors affect addiction levels. The study employs binary logistic regression to analyze data collected randomly from 100 parents of children aged 4 to 5 years who attend kindergarten in Padang, Indonesia. Smartphone usage duration is measured in hours per day, while frequency of use is measured by the number of uses per day. The analysis results indicate that both the duration and frequency of smartphone use have a significant impact on smartphone addiction. However, based on the odds ratio value, the duration of smartphone use has a more significant influence compared to frequency on addiction levels. These findings provide valuable insights for parents, educators, and policymakers in developing strategies to manage and limit smartphone use in early childhood to prevent addiction risks that could affect their development. This study is expected to serve as a reference for further research and more effective interventions in managing technology use among children.
Co-Authors Ahmad Sabri Amelia Fitri Arnida Arnida Darvi Mailisa Putri Elsi Fitria Fadlilaturrahmah Fadlilaturrahmah, Fadlilaturrahmah Fitri Yanti Hurriyah Hurriyah Jhoni Warmansyah Mardika, Fitria Mia Fitriana Nasution, Maifatma Nurbai, Reihani Jemila Prima Aswirna Prima Aswirna Putri, Yuliani Dewi Rahimullaily Rahimullaily Rahmadani, Nudiya Safna, Aisyah Samat, N.A Samat, N.A. Samat, Nor Azah Sri Gemawati Sutomo Sutomo Syahrul R, Syahrul Wahyudi Wahyudi