ProBisnis : Jurnal Manajemen
Vol. 16 No. 06 (2025): November: Management Science

Pengaruh Kualitas Pelayanan dan Promosi Terhadap Volume Penjualan Pada Konsumen di Dunkin Donuts Cabang Kesawan

Ramadhan, Ervina Sari (Unknown)
Sari, Tika Nirmala (Unknown)



Article Info

Publish Date
14 Nov 2025

Abstract

This study aims to determine the effect of service quality and promotion on consumer sales volume at Dunkin' Donuts Kesawan Branch. This study employed quantitative research. The data sources used were primary and secondary data. Data collection techniques included questionnaires, interviews, and documentation. Data analysis techniques used were descriptive statistics, classical assumption tests, multiple linear regression tests, and hypothesis testing. The sample size for this study was 100 respondents. The partial test results revealed that service quality had a positive and significant effect on sales volume at Dunkin' Donuts Kesawan Branch, with a t-value of 3.844 > 1.984. The promotion variable has a positive and significant effect on sales volume at Dunkin' Donuts Kesawan Branch, with a calculated t-value of 2.215 > 1.984. The simultaneous test results show that the calculated f-value > f-table, i.e., 8.087 > 3.09. Therefore, it can be concluded that the service quality (X1) and promotion (X2) variables jointly have a positive and significant effect on sales volume at Dunkin' Donuts Kesawan Branch.

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Journal Info

Abbrev

ProBisnis

Publisher

Subject

Humanities Computer Science & IT Economics, Econometrics & Finance Industrial & Manufacturing Engineering Social Sciences

Description

ProBisnis: The Management Journal was previously published in print, then in 2020 it was changed to online. This journal has ISSN: 2086-7654( Print) and ISSN: 2808-7240(Online). The scope of this journal is Economics, Management, Marketing, Strategic Management, Entrepreneurship, Leadership ...