Abstract:
This research aimed: 1) to study the personal factors that affected the coffee purchase decisions at Starbucks Coffee Shop; and 2) to study service marketing mix factors (7Ps product, price, place, promotion, people, process, physical evidence) that influenced the coffee purchase decisions at Starbucks coffee shop. The sample size of the research was comprised of 400 respondents who were consumers in Nakhonpathom province and have purchased coffee at Starbucks coffee shop. The research tool was an online questionnaire. This study used frequency distribution, standard deviation in percent values, Independent T-Test Sample analysis, analysis of variance (One-Way ANOVA), and the Multiple Regression Analysis was utilized to test the hypothesis. The results of the study concluded: 1) personal factors such as differences in education, occupation and income of consumers in Nakhonpathom province affected coffee purchase decisions at Starbucks coffee shop with statistical significance at the level of 0.05, and 2) that service marketing mix factors such as product, promotion, and physical evidence influence coffee purchase decisions at Starbucks coffee shop with statistical significance at the level of 0.05 as well.
Keyword: service marketing mix, coffee purchase decisions, Starbuck coffee shop.