This research aimed to study impact of demographic factors on laundry service consuming and the relationship between marketing mix and satisfaction of laundry service. Sample group were 384 laundry service customers residing in Sao Thong Hin Sub district Municipality Nonthaburi. A questionnaire was a tool which reliability of Cronbach alpha coefficient showed 0.955 with statistical analysis of Frequency Distribution Percentage Mean Standard Deviation Chi-Square and Pearson Correlation. The results shown that; The customers express their opinions on the scale of high towards every marketing mix including staff places processes prices service quality physical factors of services and marketing promotions respectively. The customers satisfy with overall marketing mix on the scale of very high ranking first the fact that staff were attentive to details. Education levels affect satisfaction level on the topic of inside and outside cleanliness of the shops. And occupation did vary satisfaction on the topic of loss and damaged garments guarantees. The factors of marketing mix including services price places marketing promotions staff processes and physical aspects of services did affect satisfaction on the marketing mix on laundry services.

The objectives of this research are to 1) study the corporate are to image of the State Railway of Thailand and 2) the image of the service by State Railway of Thailand that is related to the decision to use 115 new passenger train service by one time measure survey patterns of quantitative research and questionnaires as tools to collect data by using a 400 sample of 115 new passenger train at Bangkok station. The statistics that use in the analysis were percentage mean deviation and Pearson’s product moment coefficient of correlation The result shows that the most respondents were males aged between 37 – 46 years graduating with a bachelor’s degree. Occupation of private sector employees with an average monthly income approximately 20001 – 30000 baht traveling by 115 new trains around 1 - 2 times a year and domicile in the southern part of Thailand. There is an opinion on the corporate image of the organization of the State Railway of Thailand in organizational management at a high service level and have opinions on the decision to choose to use 115 new trains in terms of intention interest needs and decisions in choosing to use the service at a high service level for the hypothesis testing it was found that the relationship of the corporate image of the State Railway of Thailand and the selection of passenger services: a case study of 115 new trains have a low level of relationship. The corporate image of State Railway of Thailand in service sector has a moderate relationship.

This research aimed to 1) study social networking communications and wordof-mouth communications that affected consumer behavior in visiting pet cafés in Bangkok; and 2) study attitudes toward using services that affected consumer behavior in making a decision to visit pet cafés in Bangkok. The sample group in this research consisted of 400 people who visited pet cafés in Bangkok with questionnaires as the research tool to collect data. Statistics employed were frequency percentage average and standard deviation as well as multiple regression analysis and the level of statistical significance at .01. The research results found that : Most of the questionnaire responders were women accounting for 59.25 percent; between 21-30 years of age accounting for 56.50 percent; single accounting for 7 2 .5 0 percent; undergraduates accounting for 69.00 percent; earning monthly income of 10001-20000 baht accounting for 37.75 percent; and residents of detached houses accounting for 31.75 percent. When testing the hypotheses it found that social networking communications and word-of-mouth communications affected consumer behavior in visiting pet cafés in Bangkok at the statistically significant level of .01. Emotional and behavioral attitudes affected consumer behavior in visiting pet cafés in Bangkok at the statistically significant level of .01.

The purpose of this study was to study 1) opinions and needs of cooperative saving members towards the existing welfare services and their additional needs 2) to compare the opinions of members of the savings cooperative on the welfare services received and 3) to compare the demand for additional welfare services of the saving cooperative members. The personal factors were classified and a questionnaire was used as a tool to collect data. The data analysis statistics included percentage mean and standard deviation. The hypothesis was tested using t-test and one-way ANOVA was applied. The Scheffe pair test was used if the statistical significance was found at 0.05. The research disclosed that the majority of respondents were married males between the ages of 51-60 years old whose educational level was lower than the bachelor’s degree. They mostly worked as government employees with more than 10 years of service and earned monthly income of 20001-25000 Baht. Their existing welfare services are capital stocks followed by ordinary and emergency loans respectively. Different opinions in the comparative analysis were found among the individual factors of welfare services in terms of their gender age status and education. However they were similar in terms of the type of employment service term and monthly regarding to the welfare services received. As for the comparative analysis of individual factors it was revealed that there were different needs for welfare services because the members with different education levels required distinctive welfare services at the statistical significance of 0.05. However ง the personal factors including gender age status type of employment service term and monthly income were similar concerning their needs for additional welfare services.

The purpose of this study was to investigate the perceived service quality of QC Car Audio users and compare the quality of service provided by QC Car Audio stores classified by their demographic characteristics. The sample was 267 customers using the QC Car Audio service from January 2015 to January 2017. The statistics used for the data analysis included frequency percentage mean standard deviation and t-test was applied as well as the analysis of one-way ANOVA. The study found that the overall quality of QC Car Audio service provided by the customers was at the highest level. It was also found that the customers’ different gender age marital status education monthly income occupation and service location did not significantly vary in terms of the service quality perception towards QC Car Audio in the overall. When looking into each five aspects there were no significant differences. However different service locations yielded different service quality perception towards QC Car Audio at the .05 statistically significant.