This study aims to assess the influence of product quality, price perception, and service quality both partially and simultaneously on purchasing decisions for Konnichiwa coffee. The research method utilizes a quantitative approach involving 130 samples selected intentionally (purposive sampling), while data collection is conducted through questionnaire distribution using the Google Form platform. Data processing involves assessing validity, reliability, T-tests, and F-tests. The analysis results indicate that product quality significantly influences purchasing decisions, with a significance level of 0.027. Meanwhile, perceptions of price and service quality also have a very significant influence on purchasing decisions, with a significance value of 0.000. Keywords: product quality; price perception; service quality; buying decision
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