Abstract:
The study was carried out to investigate the service quality, customer loyalty, and relationship between service quality and customer loyalty in Isuzu Phranakorn Company Limited, Klong Luang Branch.
The samples used in the study were 400 customer at Isuzu Phranakorn Company Limited, Klong Luang Branch. The data were analyzed through frequency, percentage, means, standard deviation, Independent Samples t-test, One-way ANOVA, and Pearson Product Moment Correlation Coefficient.
The results of study showed that the majority of the respondents were male, aged higher than between 34 to 43 years old, graduated with Bachelors degree, were married / lived together, worked in private companies, and earned an income between 30,001 and 40,000 baht. The opinion concerning the level of service quality, the customer gave priority on the aspects of people/image and process, follow by the aspects of products, physical evidence, place, promotion and price respectively. Regarding the customer loyalty in the company, it was found that the aspects of emotional bonding was considered as the most important and follow by behavioral bonding.
The results of hypothesis testing showed that differences in personal data on gender, age, marital
status, level of education, occupation, and average monthly income had no impact on the customer loyalty
in the aspects of behavioral bonding and emotional bonding at 0.05 significance level. It was also found that
the seven marketing mix factors comprising product, price, place, promotion, people, physical evidence and
process had a positive relationship with the loyalty in Isuzu Phranakorn Company Limited, Klong Luang
Branch at 0.05 significance level.