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All Journal Jurnal Pendidikan Indonesia Jurnal Ilmiah Universitas Batanghari Jambi J-MAS (Jurnal Manajemen dan Sains) NUSANTARA : Jurnal Ilmu Pengetahuan Sosial Dinasti International Journal of Education Management and Social Science Management Studies and Entrepreneurship Journal (MSEJ) Jurnal Ekonomi dan Bisnis Digital (MINISTAL) Indonesian Journal of Business Analytics (IJBA) Jurnal Masyarakat Mengabdi Nusantara Jurnal bintang manajemen IIJSE
Rizky Dermawan
Program Studi Manajemen, Fakultas Ekonomi Dan Bisnis, Universitas Pembangunan Nasional “Veteran” Jawa Timur
Religion Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences

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The Influence of Brand Trust and Brand Commitment on Brand Loyalty Eiger in Surabaya Satria Ardhana; Rizky Dermawan
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 1 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i1.5449

Abstract

This research aims to determine the influence of brand trust and brand commitment on the brand loyalty of Eiger in Surabaya City. The research method used is quantitative. The population in this study are people who live in the city of Surabaya, the exact number of which is not known. The sample takers used nonprobability sampling with a purposive sampling technique. With a sample of 91 respondents, namely people who have purchased at least 2 Eiger products in the city of Surabaya. Then the data was processed using Partial Least Square (PLS) data analysis techniques. The research results show that brand trust and brand commitment have a positive influence on brand loyalty Eiger in Surabaya City.
The Effect of the Riize Brand Ambassador and Brand Image on Purchase Decision of Richeese Nabati Products on Gen Z in Surabaya Dinda Audelia Sabina Putri; Rizky Dermawan
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 3 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i3.7405

Abstract

This study aims to assess the effect of the RIIZE brand ambassador and brand image on the purchase decision of Richeese Nabati products among Gen Z in Surabaya City. The employed research methodology is quantitative. The sample method utilized was non-probability sampling with purposive sampling. The population in this research is consumers of Richeese Nabati products who are included in the Gen Z category in Surabaya City and with a sample of 108 respondents. Data gathering methods encompass basic data obtained through surveys on a Likert scale, as well as secondary data through literature studies from relevant sources. The data analysis method uses the SmartPLS application with the PLS based SEM method. The results showed that the RIIZE brand ambassador and brand image had a positive and significant effect on the purchase decision of Richeese Nabati products on Gen Z in Surabaya City.
The Influence of Brand Awareness, Electronic Word of Mouth, and Brand Trust on Brand Preference for Richeese Factory Among Gen Z in Surabaya Siska Amelia; Rizky Dermawan
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 3 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i3.7535

Abstract

The fast-food industry continues to experience rapid growth, especially with changes in consumption patterns among Gen Z that prioritize convenience and practicality. Richeese Factory, as a local brand, faces challenges in enhancing consumer preferences amidst intense competition. This research aims to examine the influence of Brand Awareness, Electronic Word of Mouth, and Brand Trust on Brand Preference for Richeese Factory among Gen Z in Surabaya City. The research method used is quantitative with a sample of 98 Gen Z respondents aged 17-27 who have purchased or consumed Richeese Factory at least once. The sampling technique employed is purposive sampling, and the data are analyzed using Structural Equation Modeling (SEM) based on Partial Least Square (PLS). The results show that Brand Awareness, Electronic Word of Mouth, and Brand Trust have a positive and significant effect on Brand Preference. This finding highlights the importance of marketing strategies that focus on increasing Brand Awareness, managing Electronic Word of Mouth, and maintaining Brand Trust. This research also contributes to the understanding of marketing in the fast-food industry and opens opportunities for further research with other variables and expanding the geographical scope.
The Influence of Brand Experience, Perceived Value, and Brand Trust on Brand Loyalty of Glad2Glow Products among Gen Z in Surabaya Hany Susanti; Rizky Dermawan
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 9 No 1 (2026): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v9i1.7536

Abstract

The skincare industry in Indonesia has experienced rapid growth, making skincare a routine necessity for modern society. Amidst increasing competition and reputational risks, companies must understand the factors influencing brand loyalty, particularly among the Gen Z segment, known for being critical and selective. This study aims to examine the influence of brand experience, perceived value, and brand trust on brand loyalty toward Glad2Glow products among Gen Z consumers in Surabaya. This study employs a quantitative research approach. This study utilized a sample of 112 respondents selected using non-probability method and purposive sampling technique, with criteria including respondents aged 17–27 years, residing in Surabaya, and and have purchased and used Glad2Glow skincare products at least twice. The data were then analyzed using the Structural Equation Modeling (SEM) method based on Partial Least Squares (PLS) with SmartPLS software, including validity, reliability, and hypothesis testing. The results indicate that Brand Experience, Perceived Value, and Brand Trust have a positive and significant influence on Brand Loyalty Glad2Glow product among Generation Z in Surabaya.
The Influence of Digital Marketing, Fear of Missing Out (FOMO), and Online Consumer Reviews on Purchase Decisions for Macpop Products in Surabaya Feri Ardiansyah; Rizky Dermawan
Dinasti International Journal of Education Management And Social Science Vol. 5 No. 5 (2024): Dinasti International Journal of Education Management and Social Science (June
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v5i5.2783

Abstract

This research aims to determine the influence of digital marketing, fear of missing out (FoMO), and online consumer reviews on purchasing decisions for Macpop products in Surabaya. By using quantitative data analysis and appropriate methods, this research aims to provide deeper insight into the contribution of these factors in purchasing decisions for Macpop products in Surabaya. This research used a quantitative method involving 90 respondents selected by purposive sampling. Respondents consisted of Macpop consumers aged between 18 and 45 years. Data collection involved primary and secondary data, and analysis was carried out using the Partial Least Squares (PLS) technique with validity, reliability and hypothesis testing. The research results show that: (1) there is a significant and positive influence of digital marketing on the decision to purchase Macpop products, (2) there is a significant and positive influence of fear of missing out (FoMO) on the decision to purchase Macpop products, and (3) there is a significant and positive influence positive online consumer reviews regarding purchasing decisions for Macpop products.  
Co-Authors Aida Kurnia Sari Ariescy, Reiga Ritomiea Aulia Afra Destrina Cherryl Tasya Puspita Sari Cholishah Anas Irhamna Dean Farrell Rayhan Destiara Mistianingrum Dheajeng Novida Naila Rochmatin Dimas Khadafi Dinda Audelia Sabina Putri Ellisa Adelia Erna Tri Rusmala Ratnawati Feri Ardiansyah Hany Susanti Hariyo Sulistyantoro Iqbal Badri Mashuri Komang Suparyawan M. Usman Maulana Rachman Mila Kusuma Putri Muhammad Nashir Hasan Pandji Soegiono Rizky Riza Ismail Salma Dea Nabilla Satria Ardhana Setyo Febri Laksmana Putra Shelly Arisda Hermaningtyas Siska Amelia Tegar Tri Aji Wibowo Wiwik Handayani