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All Journal Al-MARSHAD: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Indonesian Review of Physics (IRiP)
Abu Yazid Raisal
Universitas Ahmad Dahlan
Astronomy Earth & Planetary Sciences Education Materials Science & Nanotechnology

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Pemanfaatan Metode Moving Average dalam Menentukan Awal Waktu Salat Subuh Menggunakan Sky Quality Meter (SQM) Abu Yazid Raisal; Yudhiakto Pramudya; Okimustava ,; Muchlas ,
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 5, No 1 (2019)
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (350.72 KB) | DOI: 10.30596/jam.v5i1.3121

Abstract

The beginning of prayer time is important for Muslims because Islam advocates for prayer at the beginning of time. The beginning of Zuhr, Asar and Maghrib prayer times can be done by looking position of the Sun directly. However, the position of the sun cannot be directly observed to determine the beginning of the Fajr and Isha prayer times, because the Sun is below the horizon. The beginning of the Fajr prayer time can be determined by measuring sky brightness using the Sky Quality Meter (SQM). Many factors can affect SQM in collecting light so that the data is not separated from noise. The use of the moving average method reduces noise, making it easier to determine the beginning of the Fajr prayer time using SQM.
Effectiveness Of Active Learning Method Quiz Team Type On Student Learning Outcomes In Subject Ohm Law In SMA Negeri 1 Pundong Abu Yazid Raisal; Nanang Suwondo
Indonesian Review of Physics (IRiP) Vol. 1 No. 2 (2018)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v1i2.716

Abstract

This study aims to measure the increase in student learning outcomes from cognitive aspects and student activity between active quiz type learning methods and conventional methods. The sampling technique is non-random sampling. Data was collected using the pre-test and post-test for cognitive aspects while the affective aspects used the observation. Analysis of the data used the normality test, homogeneity test, and hypothesis testing. The hypothesis test used is a two-party t test. The results show that tcount= 7.273 > ttable= 2.01 at a significant level of 5%. It means that there are significant differences for cognitive aspects between learning outcomes using the team quiz type and conventional methods of active learning methods. Overall the team quiz method is more effective for improving student learning outcomes from cognitive aspects, and student activities.
Co-Authors Muchlas , Nanang Suwondo Okimustava Okimustava Yudhiakto Pramudya