Abstract:
The purposes of this research were as follow. 1) To study the level of opinions of service quality and word of mouth among electric vehicle products users. 2) To explore the influence of service quality and word of mouth among electric vehicle products users of H SEM Motor Company Limited (Huahenglee Group). This study is quantitative research. The samples group in this study were 220 electric vehicle products users of H SEM Motor Company, Ltd. (Huahenglee Group). Then use of software packages in analyzing statistical data such as frequency, percentage, average and standard deviation. Besides, using multiple regression analysis at a significant level of 0.05.
The study showed that electric vehicle products users have opinions about service quality, in empathy issue, reliability issue, and the aspect of giving confidence were at a very satisfying level. Meanwhile, the responsibility issue and impression issue were at a satisfactory level while word of mouth was at highly agreed. When the influence of service quality that affecting word of mouth among electric vehicle products users toward the quality of service in responsibility issue, reliability issue, and impression issue affecting the word of mouth of electric vehicle products users with statistical significance at the level of .05. In contrast, the empathy issue and confidence issue did not affect the word of mouth of users. The results of this study can use as the guidelines in formulating marketing strategies that lead to marketing communications by the word-of-mouth of users for a competitive advantage for businesses further.