International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET)
Vol. 5 No. 10 (2026): SEPTEMBER

THE INFLUENCE OF WORD OF MOUTH, SOCIAL MEDIA MARKETING AND INFLUENCER MARKETING ON PURCHASE DECISIONS AT ASK COFFEE

Siti Marisa (Universitas Potensi Utama)
Aisyah Azhar Adam (Universitas Potensi Utama)



Article Info

Publish Date
29 Sep 2026

Abstract

This study aims to determine and analyze the effects of Word of Mouth, Social Media Marketing, and Influencer Marketing on the Purchase Decision of Ask Coffee consumers. This research employed an associative approach using a quantitative method. The population consisted of Ask Coffee consumers who had made repeat purchases, with the exact population size unknown. The sampling technique used was non-probability sampling with purposive sampling. The sample size was determined using the Lemeshow formula, resulting in 110 Ask Coffee consumers as respondents. Data were collected through observation, questionnaires, and documentation, and were analyzed using validity tests, reliability tests, classical assumption tests, multiple linear regression analysis, t-tests, F-tests, and the coefficient of determination. The results showed that Word of Mouth had a positive and significant effect on Purchase Decision, with a significance value of 0.000. Social Media Marketing also had a positive and significant effect on Purchase Decision, with a significance value of 0.003. Influencer Marketing had a positive and significant effect on Purchase Decision, with a significance value of 0.000. Simultaneously, Word of Mouth, Social Media Marketing, and Influencer Marketing had a positive and significant effect on Purchase Decision, with an F-count value of 95.124 and a significance value of 0.000. The Adjusted R Square value of 0.721 indicates that 72.1% of Purchase Decision can be explained by the three independent variables examined in this study.

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Journal Info

Abbrev

ijset

Publisher

Subject

Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Economics, Econometrics & Finance Education

Description

International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) is an international journal that publishes popular articles in the fields of Social Science, Education, Economics, Agricultural Research, and Technology. IJSET is published every month in ...