UMSIDA Preprints Server

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    7115 research outputs found

    The Influence of Perceived Security, Ease of Use, and Lifestyle on the Intensity of E-wallet Use in Generation Z (Study in the Sidoarjo Regional Community) : Pengaruh Persepsi Keamanan, Kemudahan Penggunaan, dan Gaya Hidup terhadap Intensitas Penggunaan E-wallet pada Generasi Z (Studi Pada Masyarakat Daerah Sidoarjo)

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    This study aims to analyze the influence of perceived security, ease of use, and lifestyle on the intensity of e-wallet use in Sidoarjo. Along with technological advances, e-wallets have become one of the most popular payment options, especially among the younger generation. The method used is quantitative with data collection through questionnaires distributed to 130 respondents. The results of the analysis show that all independent variables have a positive and significant effect on the intensity of e-wallet use. Perceived security has a coefficient of 0.332, ease of use 0.222, and lifestyle 0.383 with a p-value below 0.05. This shows that the higher the perception of security, ease of use, and lifestyle, the higher the intensity of e-wallet use. This study provides important insights into the factors that influence e-wallet use among generation Z, the need to pay attention to the security and ease of e-wallet services in the future

    Design of Customer Service Application Using Website Based Chatbot: Perancangan Aplikasi Layanan Customer Service Menggunakan Chatbot Berbasis Website

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    The development of information and communication technology has brought various aspects of life, including in the business world. Changes occurred in the sales sector, where buying and selling transactions can be done online without space and time restrictions. In the e-commerce ecosystem, Customer Service is one of the key components that determines customer satisfaction and loyalty. Responsive and efficient customer service can improve the shopping experience, so it is important for e-commerce providers to continue to optimize this service. The rapid development of information technology has brought many changes in various aspects of life, including in the fields of business and customer service. The core problem of the background raised in the background is how e-commerce companies can maintain the quality of Customer Service amidst rapid growth and increasing Customer expectations. This is a complex challenge, Companies can overcome this problem and achieve success in the e-commerce business

    The Composite Stock Price Index Participates in War on the World Market (Case study of the IHSG on the IDX before and after the Iran-Israel Conflict): Indeks Harga Saham Gabungan (IHSG) Ikut Berperang di Pasar Dunia (Studi kasus pada IHSG di BEI sebelum dan sesudah Konflik Iran-Israel)

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    The conflict in the Middle East is currently an aspect that can affect the capital market in Indonesia. This research aims to analyze and evaluate how the variables World Gold Prices, Exchange Rates, World Oil Prices, and the DJIA index have an impact on the IHSG on the IDX before, during and after the Iran-Israel conflict. This research was conducted using a descriptive quantitative approach. The research results prove that individually, World Gold Prices and World Oil Prices have an impact on the IHSG in the period before, during and after the conflict. The exchange rate has an impact on the IHSG only before and after the conflict occurs. Meanwhile, the DJIA index had no impact on the IHSG during and after the conflict. Simultaneously, World Gold Prices, Exchange Rates, World Oil Prices and the DJIA Index have a significant influence on the IHSG in all periods studie

    The Influence of Business Capital, Production Costs, and Sales Turnover on Profitability With Length of Business as a Moderating Variable in Sayangan UMKM (Study on Sayangan UMKM in Kebakalan and Kesambi Villages, Porong District, Sidoarjo Regency) : Pengaruh Modal Usaha, Biaya Produksi, dan Omzet Penjualan Terhadap Profitabilitas dengan Lama Usaha Sebagai Variabel Moderating Pada UMKM Sayangan (Studi Pada UMKM Sayangan di Desa Kebakalan dan Kesambi Kecamatan Porong Kabupaten Sidoarjo

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    This study aims to analyze the effect of business capital, production costs, and sales turnover on profitability in Sayangan, with business duration as a moderating variable. The research focuses on Sayangan located in Kebakalan and Kesambi. A quantitative method was employed using MRA as the analytical tool. Data were collected through questionnaires distributed to selected owners who met the research criteria. The results showed that, partially, business capital and sales turnover have a significant positive effect on profitability, while production costs have a significant negative effect. Furthermore, business duration was found to moderate the relationship between business capital and sales turnover on profitability, but not the relationship between production costs and profitability. This indicates that the longer has been operating, the better its ability to manage capital and optimize sales turnover to improve profitability. This study implies that actors need to increase cost efficiency to support sustainable profitability growt

    The Influence of Leadership Style, Work Discipline, and Teamwork on Work Productivity among employees PT. Bintang Teknik Nyata: Pengaruh Gaya Kepemimpinan Transformasional, Disiplin Kerja, Dan Kerja Sama Tim Terhadap Produktivitas Kerja Pada Karyawan PT. Bintang Teknik Nyata

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    This research aims to analyze the extent to which transformational leadership style, work discipline and teamwork, influence employee productivity, as well as provide insight to companies to develop strategies that can improve their performance and competitiveness. This research method uses a quantitative methodological approach, namely observational research in which data collection is carried out through observation. The population in this study were all employees of PT. Bintang Teknik Real, numbering 110 employees. Based on the data sources used in this research, namely through the use of primary data obtained directly from research objects, interviews, and a list of questions distributed to respondents, in the form of data processed through statistics to PT staff. Real Engineering Star. The data analysis technique in this research uses the SPSS application

    HAZOP and FTA as Hazard Reduction Methods in Mattress Production Process : [HAZOP dan FTA Sebagai Metode Pengurangan Bahaya pada Proses Produksi Matras

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    UMKM X is a micro, small, and medium enterprise engaged in manufacturing as an MSME providing mattresses. The problem that occurs is the lack of risk management in the mattress production process. The study aims to determine how to minimize work accidents and the need for risk management that aims to identify hazard risks and suggest hazard improvement actions in the mattress production process. The Hazard and Operability Study (HAZOP) approach is one of several ways to conduct a risk assessment. The highest criterion level value was obtained at 20 for inhalation of dust exposure from cutting residue and exposure to chemicals from glue at an extreme risk level. Corrective actions are needed such as purchasing masks that have filters, creating PPE management stocks, imposing sanctions on violators, and providing restrictions on each existing production area

    Educational Game for Introducing Modes of Transportation in English for 2nd Grade Elementary School Students Using Construct 2: Game Pengenalan Moda Transportasi Dalam Bahasa Inggris Bagi Anak Kelas 2 SD Menggunakan Construct 2

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    . In the modern era, transportation has become an essential part of daily life, facilitating human mobility and the distribution of goods more efficiently. Introducing various modes of transportation to children from an early age is crucial to help them understand their functions, especially when combined with English language learning to broaden their knowledge. Learning through play, such as educational Games, serves as an effective, interactive, and engaging method for children to comprehend transportation concepts.This Game consists of three Levels, where players are required to find and collect randomly scattered letters to form the name of a transportation mode in English. Upon completing each Level, players receive additional information about the transportation mode they have assembled. Based on the test results, the "Word of Transport" Game achieved a playability score of 81%, categorized as very good by children who played the Game

    Analysis of BCA Bank Customer Reception Toward the Content of BCA Bank’s Advertisement Message “Don’t Know Kasih No!”: Analisis Resepsi Nasabah Bank BCA Terhadap Isi Pesan Iklan Bank BCA “Don’t Know? Kasih No!”

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    The advancement of digital technology raises the risk of cybercrime. This study aims to determine how BCA Bank customers in Sidoarjo interpret the message in the advertisement "Don't Know? Give No!" using Stuart Hall's reception theory. The study was conducted using a qualitative descriptive method through in-depth interviews with ten informants selected purposively. The results showed that most informants were in a negotiating position, that is, they understood and accepted the core message but with a critical interpretation regarding the choice of language, visual appearance, and comedic elements. Meanwhile, four informants were in a dominant position that fully accepted the message according to the advertiser's goals, and no informants occupied an oppositional position. These findings indicate that the message in the advertisement was quite successful in increasing public awareness of phishing, although it still needs improvement to be more easily accepted by all groups

    The Effect of Coal Calorific Value and Feed Water Rate on the Efficiency of a 10 Ton Capacity Fire Tube Boiler: Pengaruh Nilai Kalor Batu Bara dan Laju Feed Water Terhadap Efisiensi Boiler Fire Tube Kapasitas 10 Ton

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    A boiler is an energy conversion system that uses heat from fuel combustion—such as gas, diesel, or coal—to convert water into pressurized steam. PT. XXX operates a coal-fired fire tube boiler to supply steam for coconut oil production. This study analyzed boiler efficiency using the direct method, based on logsheet data from February 3, 6, and 10, 2025 (24-hour operation), with coal LHV values of 24001, 22644, and 23121 kJ/kg. The highest efficiency, 87%, occurred at LHV 24001 kJ/kg, while the lowest, 54%, occurred at LHV 23121 kJ/kg. The analysis shows a linear trend where efficiency increases with higher coal calorific value and decreases when feed water and fuel consumption rises. Conversely, efficiency improves when feed water and fuel usage drops. This indicates that both coal quality and operational parameters like feed water flow significantly influence boiler performance

    Implementation of the Agile Methodology in a Diet and Bulking Mobile Application Using the Flutter Framework: Implementasi Metode Agile Dalam Aplikasi Diet dan Bulking dengan Flutter

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    Health issues stemming from poor diets and lack of physical activity have become increasingly common. To address this, the FitLaksana mobile application was developed as a tool to provide nutritional guidance and structured diet or bulking programs. Built using Flutter and Firebase, and developed through the Agile methodology, the system includes features such as user interface design, program selection, and food/activity tracking. Testing using the Black Box method showed all features functioned well. User evaluations using the Likert scale revealed high satisfaction, with 50% scoring 4 (Agree) and 65.38% scoring 5 (Strongly Agree). These results indicate that FitLaksana effectively meets user needs for managing healthy lifestyles

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