This document provides an overview of a study on the impacts of service quality on customer satisfaction for Corporation X. The study aims to (1) construct service quality dimensions and a research framework for food retail chains, (2) explore differences between customer importance and satisfaction, and (3) provide a new management approach. The methodology section outlines the research framework based on SERVQUAL, a 36-item questionnaire, data collection from 400 customers, and analyses including descriptive statistics, factor analysis, reliability/validity testing, paired t-tests, ANOVA, and Importance-Performance Analysis.