The purposes of this research were: 1) to study the effectiveness of customer relationship management influence the customer trust on service quality on private vehicle inspection service in Phra Nakorn Si Ayutthaya 2) to study the customer loyalty influence the customer trust on service quality on private vehicle inspection service in Phra Nakorn Si Ayutthaya. 3) to study the effectiveness of customer relationship management influence the customer loyalty on private vehicle inspection service in Phra Nakorn Si Ayutthaya. The samples in this study were 325 Banpan private vehicle inspection service’s customers in Sena district Phra Nakorn Si Ayutthaya province. The data were analyzed by using frequency percentage mean standard deviation and Multiple Regression Analysis. The results found that the opinion levels on effectiveness of customer relationship management in overall and each aspect was found that the customer engagement customer hearing customer suggestion customer retention and customer prospecting were at the high level. The opinions level toward the customer trust on service quality was found at highest level in overall. The opinions level toward the customer loyalty was found at high level in overall. The result of hypothesis test found that the effectiveness of customer relationship management in customer suggestion customer retention and customer prospecting were influenced the customer trust on service quality. However the customer engagement and customer hearing were not influenced the customer trust on service quality. The customer trust on service quality were influenced the customer loyalty. The effectiveness of customer relationship management in customer engagement customer suggestion customer retention and customer prospecting were influenced the customer loyalty however the customer hearing were not influenced the customer loyalty.

The objectives of this research were to study 1) the marketing mix factors of choosing derlers of Japanese imported wind instruments 2) consumer loyalty of choosing derlers of Japanese imported wind instruments and 3) to study the influence of marketing mix factors in choosing derlrs of Japanese imported wind instruments. The sample group was 240 consumers who chose to use sales representatives Japanese imported wind instruments. The questionnaire was used to collect data in the metropolitan areas. The data were analyzed using statistics including frequency percentage mean standard deviation and multiple regression analysis which was applied to test the hypothesis. The study result indicated that most respondents were males aged between 31 - 40 years old working as engineers earning monthly income averaged between 20001 - 40000 baht. The marketing mix factors of Japanese imported tools dealers in terms of the distribution channel was considered highest followed by the price process personnel product physical characteristics and the marketing promotion respectively. Regarding the consumer loyalty in choosing Japanese imported wind instrument dealers the highest was word of followed by the price sensitivity purchasing intention and claim behavior respectively. The hypothesis testing reveal that the marketing mix factors in terms of price did influence the loyalty in all aspects namely word of mouth purchasing intention price sensitivity and claim behavior. Therefore the hypothesis was accepted. The marketing mix factor related to product had no influence on loyalty in every aspect such as word of mouth purchasing intention price sensitivity and claim behavior. Therefore the hypothesis was rejected. The marketing mix factor related to the process and price that influenced the consumer loyalty towards word of mouth in choosing dealers of Japanese imported wind instruments. The marketing mix factors related to price sales staff and distribution channels influenced the consumer loyalty in choosing dealers of Japanese imported wind instruments. The marketing mix factors related to price sales staff and process influenced the consumer loyalty and price sensitivity in choosing dealers of Japanese imported wind instruments. The marketing mix factors related to the physical characteristics price and marketing promotion influencing consumer loyalty claim behavior and promotion in choosing dealers of Japanese imported wind instruments.

This research was aimed to study employees’ loyalty in manufacturing industry as well as motivation influencing their loyalty. The samples were 360 employees working in the Food manufacturing industry in six districts in Nonthaburi. The questionnaire was used as a tool to collect data which were analyzed by statistics including percentage mean standard deviation. to test the hypothesis T-test one-way Anova and Multiple Regression Analysis were applied. It was found that most employees werefemale over 36 years of age with lower degrees than bachelors degrees 10000 - 15000 baht monthly income and more thansix years of work experiences. In the overall they had average motivation in performing their work in terms of incentives and supporting factors. Most employees were highly loyal to the organization as a whole namely awareness feelings and expressions respectively. The hypothesis testing determined the statistical significance level at 0 . 0 5 revealed that different genders showed different feelings however they were not different in terms of expressions perceptions and loyalty to the organization. Different ages differed in terms of expressive behavior feelings perceptions and loyalty to the organization.

The purposes of this research were to investigate (1) the image factors affecting parents’ loyalty on the use of BUB in da POOL swimming center for babies and toddlers and (2) services factors affecting parents’ loyalty on the use of BUB in da POOL swimming center for babies and toddlers. Data were collected through the questionnaire responded by 174 parents of the children and analyzed by the frequency percentage mean and standard deviation to analyze information on image factors and service quality that affected the parental loyalty of children using the BUB in da POOL Infant and Child Training Center. Pearson Product Moment Correlation Pearsons Product Moment Correlation Coefficient and Multiple Regression Analysis were applied to analyze the data. The research revealed that the image influenced the loyalty of children’s parents using BUB in da POOL business with the branding image value of 0.422 and the corporate image of 0.330 influencing the parental loyalty of children using the BUB in da POOL at the highest level. While branding image factor did not affect the parental loyalty of the child using the center. The quality factor influenced the parental loyalty of children using the BUB in da POOL Center at 0.422 of with the reliability of 0.184 and the parents’ attention to the ง service quality was 0.234 which influenced the parental loyalty. Responding to the parents of children using the service had the greatest impact on the parental loyalty while the factor regarding its compactness of the services and trustworthiness trust did not affect the loyalty of parents of children who used the center for teaching babies BUB in da POOL.

The objectives of this study were to examine the level of motivation and royalty of site engineers categorized according to population properties and to investigate the relationship between motivations and royalty of the site engineers in real estate and construction industry listed firms the stock exchange of Thailand. The data were collected from 354 site engineers through the application of questionnaires. The statistics applied for the data analysis consisted of Percentage Mean Standard deviation Independent Samples t-test One-way ANOVA and Pearson Correlation Coefficient. The study demonstrated that the differences in gender age education position and work experience had influences on the royalty of site engineers at 0.05 level of significance. Moreover it was found that the motivational factors had a positive relationship with the royalty at 0.01 level of significance.