The Effect of Product Quality and Service Quality on Customer Satisfaction in Restaurants at Medan City

Authors

  • Lidya Kesuma Sari Universitas Sumatera Utara Author

DOI:

https://doi.org/10.64803/cessmuds.v1.23
   

Abstract

This study aims to examine the effect of product quality and service quality on customer satisfaction in restaurants. Product quality refers to the attributes of food such as taste, freshness, portion, and presentation, while service quality covers aspects like responsiveness, reliability, assurance, and empathy in service delivery. The research employs a quantitative method using a structured questionnaire distributed to 120 restaurant customers in a major urban area. The data were analyzed using multiple linear regression with SPSS software to determine the influence of the independent variables on customer satisfaction. The results reveal that both product quality and service quality have a positive and significant effect on customer satisfaction, with product quality showing a slightly stronger impact. This indicates that although the quality of service contributes to the overall dining experience, customers still prioritize the quality of the food itself. The findings support prior research suggesting that food excellence and service interactions are key determinants of satisfaction in the food service sector. The study contributes to marketing and service management literature by reinforcing the importance of maintaining high product and service standards to enhance satisfaction and customer loyalty. It also provides managerial implications for restaurant operators to focus not only on food preparation consistency but also on staff training to deliver excellent service. Future research may incorporate additional variables such as restaurant ambiance, perceived price fairness, and brand image as potential mediating or moderating factors influencing customer satisfaction.

References

Akmal, E., Panjaitan, H. P., & Ginting, Y. M. (2023). Service quality, product quality, price, promotion, and location on customer satisfaction and loyalty in CV. Restu. Journal of Applied Business and Technology, 4(1), 39-54.

Alolayyan, M. N., Alnabelsi, A. B., Salameh, W. E. M. K. B., Al-shanableh, N., Alzyoud, M., Alhalalmeh, M. I., ... & Aldaihani, F. M. F. (2025). The mediating role of medical service geographical availability between the healthcare service quality and the medical insurance. In Intelligence-Driven Circular Economy: Regeneration Towards Sustainability and Social Responsibility—Volume 2 (pp. 281-296). Cham: Springer Nature Switzerland.

Attia, P. M., Moch, E., & Herring, P. K. (2025). Challenges and opportunities for high-quality battery production at scale. Nature Communications, 16(1), 611.

Biscaia, R., Ramos, R. F., Yoshida, M., & Kim, Y. (2024). Service quality in spectator sports: A review and research agenda. International Journal of Consumer Studies, 48(6), e13086.

Brunner, M., Tripathi, S., Gundolf, K., Bachmann, N., Thienemann, A. K., Tüzün, A., ... & Jodlbauer, H. (2025). Enhancing customer satisfaction through digitalization: Past, present and possible future approaches. Procedia Computer Science, 253, 2929-2940.

Datt, M., Gupta, A., & Misra, S. K. (2025). Advances in management of healthcare service quality: a dual approach with model development and machine learning predictions. Journal of Advances in Management Research.

Dawes, J. G. (2025). Examining the brand-level associations between customer satisfaction, demographic profile and loyalty. International Journal of Bank Marketing, 43(5), 1047-1073.

Hair, J. F., Risher, J. J., Sarstedt, M., & Ringle, C. M. (2019). When to use and how to report the results of PLS-SEM. European business review, 31(1), 2-24.

Hussain, M., Javed, A., Khan, S. H., & Yasir, M. (2025). Pillars of customer retention in the services sector: Understanding the role of relationship marketing, customer satisfaction, and customer loyalty. Journal of the Knowledge Economy, 16(1), 2047-2067.

Ifedi, C., Haque, R., Senathirajah, A. R. S., & Qazi, S. Z. (2024). Service quality influence on consumer satisfaction in the banking sector aimed at sustainable growth. Revista de Gestão Social e Ambiental, 18(7), 1-30.

Iqbal, M., Azarah, P., & Rochmah, G. S. (2024, July). The Influence of Service Quality and Product Quality on Customer Satisfaction in Coffee Shops. In Cirebon International Conference on Education and Economics Proceeding (Vol. 1, No. 1, pp. 394-399).

Minhaj, S. M., & Khan, M. A. (2025). Performance of online banking and direct effect of service quality on consumer retention and credibility of consumer and mediation effect of consumer satisfaction. International Journal of Business Information Systems, 49(4), 473-490.

Lina, R. (2022). Improving product quality and satisfaction as fundamental strategies in strengthening customer loyalty. AKADEMIK: Jurnal Mahasiswa Ekonomi & Bisnis, 2(1), 19-26.

Munawaroh, M., & Simon, Z. Z. (2023). The Influence of Store Atmosphere, Service Quality, Product Quality, and Price on Customer Satisfaction. Research of Business and Management, 1(1), 32-40.

Naini, N. F., Santoso, S., Andriani, T. S., Claudia, U. G., & Nurfadillah, N. (2022). The effect of product quality, service quality, customer satisfaction on customer loyalty. Journal of consumer sciences, 7(1), 34-50.

Nunkoo, R., Sharma, A., So, K. K. F., Hu, H., & Alrasheedi, A. F. (2025). Two decades of research on customer satisfaction: future research agenda and questions. International Journal of Contemporary Hospitality Management, 37(5), 1465-1496.

Rashid, D. A., & Rasheed, D. R. (2024). Logistics service quality and product satisfaction in e-commerce. sage open, 14(1), 21582440231224250.

Sann, R., Pimpohnsakun, P., & Booncharoen, P. (2024). Exploring the impact of logistics service quality on customer satisfaction, trust and loyalty in bus transport. International Journal of Quality and Service Sciences, 16(4), 519-541.

Sara, M., & Ramadhan, M. E. A. (2025). The Influence of Product Quality, Price Perception, and Service Quality on Customer Satisfaction at Pondok Poteng Restaurant, Singkawang. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), 8(3), 11618-11630.

Taufik, A., Santoso, S., Fahmi, M. I., Restuanto, F., & Yamin, S. (2022). The role of service and product quality on customer loyalty. Journal of Consumer Sciences, 7(1), 68-82.

Tedja, B., Al Musadieq, M., Kusumawati, A., & Yulianto, E. (2024). Systematic literature review using PRISMA: exploring the influence of service quality and perceived value on satisfaction and intention to continue relationship. Future Business Journal, 10(1), 39.

Wulandari, D., & Nuratri, B. (2025). The Effect Of Product Quality and Service Quality on Customer Satisfaction at Myrepublic in Regol District, Bandung City. Journal of Student Collaboration Research, 2(3), 314-325.

Widjaja, A. F. (2025). Factors influencing purchase intention in e-commerce: An analysis of brand image, product quality, and price. JUMDER: Jurnal Bisnis Digital dan Ekonomi Kreatif, 1(3), 32-47.

Wilson, K. (2025). Local Competition, Multimarket Contact, and Product Quality: Evidence From Internet Service Provision: K. Wilson. Review of Industrial Organization, 66(4), 439-467.

Zhao, C., Wang, D., Younas, A., & Zhang, B. (2025). Coordination of closed-loop supply chain considering loss-aversion and remanufactured products quality control. Annals of Operations Research, 349(2), 1225-1248.

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Published

2025-10-16

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Articles

How to Cite

The Effect of Product Quality and Service Quality on Customer Satisfaction in Restaurants at Medan City. (2025). Proceedings of The International Conference on Computer Science, Engineering, Social Science, and Multi-Disciplinary Studies, 1, 140-147. https://doi.org/10.64803/cessmuds.v1.23