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All Journal AR-RAZI Jurnal Ilmiah International Journal of Integrated Science and Technology
Hary saputra
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Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media Social Sciences

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Efektivitas Metode Praktikum Indikator asam Basa Berbasis Contextual Teaching Learning ( CTL ) terhadap Hasil Belajar Siswa Kelas XI SMA Negeri 7 Pontianak Hary saputra; Tuti Kurniati; Raudhatul Fadhilah
Jurnal Ilmiah Ar-Razi Vol 8, No 1 (2020): JURNAL ILMIAH AR-RAZI
Publisher : Universitas Muhammadiyah Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (435.68 KB) | DOI: 10.29406/ar-r.v8i1.1824

Abstract

This research is motivated by the low learning outcomes of students of class XI IPA of SMA Negeri 7 Pontianak in learning chemistry, especially indicator theory sub material. This study aims to determine the learning outcomes between students who are taught using the Acid Base Indicator Practicum Method Based on Contextual Teaching Learning (CTL) and students who are taught with the Discovery Learning model based on practicum. This study uses Intact Group Comparison Design with research subjects of 15 control class students and 16 experimental class students. Data were collected using direct communication techniques: interview sheets, measurement techniques, and direct observation techniques, observation sheets and data collection tools using learning outcomes tests (pretest and posttest). The results of the average pretest and posttest of the control class were 35.1 and 66.1 respectively, the average pretest and posttest of the experimental class were 36.9 and 74.5. Learning outcomes data using the Mann Whitney U-test obtained learning outcomes with a probability number, i.e. P value (0.644)> α (0.05). This means that there are differences in student learning outcomes between the control class and the experimental class. Thus the acid-base indicator practicum method (CTL) gives the Effect Size obtained a value of 0.78 effectiveness of 75.80%. This means that there are differences in student learning outcomes between the control class and the experimental class. Thus the acid-base indicator practicum method (CTL) gives the Effect Size obtained a value of 0.78 effectiveness of 75.80%. This means that there are differences in student learning outcomes between the control class and the experimental class. Thus the acid-base indicator practicum method (CTL) gives the Effect Size obtained a value of 0.78 effectiveness of 75.80%.
Analysis of SAW and WP Methods in Selecting the Best Employee Hary Saputra; Reza Randika; Selipana; Emi Sita Eriana
International Journal of Integrated Science and Technology Vol. 2 No. 11 (2024): November 2024
Publisher : MultiTech Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59890/ijist.v2i11.2657

Abstract

In today's digital era, selecting the best employees in this case effective Customer Service is one of the key factors in increasing customer satisfaction and brand loyalty. This article discusses the analysis of the Simple Additive Weighting (SAW) and Weighted Produ ct (WP) methods in the context of selecting new employees. The SAW method is a decision-making technique that prioritizes the sum of the weights of predetermined criteria, while WP gives weight to each alternative based on the multiplication of relevant criteria . In this research, we conducted a case study on a company engaged in Customer Service. We identified several important criteria for customer service assessment, such as response speed, communication quality, and problem-solving rate. The results of the analysis show that the SAW method is simpler and easier for managers to understand in the decision-making process, while WP provides more comprehensive results by considering interactions between criteria. Although both methods show consistent results in the selection of the best Customer Service, the use of the WP method provides an advantage in situations where the interdependence between criteria is very significant. The conclusion of this article emphasizes the importance of choosing the right analysis method in making decisions regarding the best customer service. By understanding the advantages and disadvantages of each method, companies can be more effective in improving service quality and meeting customer expectations.
Co-Authors Emi Sita Eriana Fadhilah, Raudhatul Reza Randika Selipana Tuti Kurniati