The purposes of the study were to investigate factors affecting the organizational commitment explore organizational culture and examine work life quality of the employees which affected their organizational commitment at Rubber Authority of Thailand Headquarters. The questionnaire was applied to collect data from the 200 employee samples selected by proportional stratified random sampling at Rubber Authority of Thailand Headquarters. The data collected were analyzed by the percentage distribution mean and standard deviation; and t-test f-test and multiple regression analysis resulted at 0.05 statistical significance. The study results revealed that most of the samples were single females who were 30 years of age in the average or less holding bachelor degrees and having been working for five years or less. It was found that their organizational culture concerning clan culture achievement culture bureaucratic culture and adaptability culture highly resulted in high work life quality including organizational pride social relation safe and sanitary workplace work independence work progress and security work administration and employees’ capacity development were high. However the aspect of justified and sustainable income organizational commitment in terms of psychology norm and work tenure were average. The study results revealed as follows. 1) Different personal factors concerning the employee’ age education status and tenure range did not differ in the organizational commitment 2) the organizational culture had impact on the organizational commitment were clan culture achievement culture bureaucratic culture and adaptability culture. 3) Work life quality resulted in organizational pride social relation work administration employees’ capacity development and work progress and security 4) Organizational culture and work life quality had better impact on the organizational commitment than the organizational culture which included aspects on organizational pride social relation employees’ capacity development work administration and work progress and security. It was found that main organizational cultures were achievement and clan cultures.

The purpose of this research is to study Quality of work life affecting Organizational Commitment of private companies’ employees in Lopburi Province. Sample size in this research is 400 samples. Questionnaire is a tool for data collection. Statistics for data analysis are percentage mean standard deviation t-test one-way analysis of variance and multiple regressions analysis. Research results are as follows: Organizational commitment in the dimension of Strong belief in and acceptance of the organization’s goals has the relationship with Development of Human Capacities and Social Relevance. Organizational commitment in the dimension of Willingness to exert considerable effort on behalf of the organization has the relationship with Adequate and Fair Compensation Development of Human Capacities and Work Life Balance. Organizational commitment in the dimension of Strong desire to maintain membership in the organization has the relationship with Adequate and Fair Compensation Growth and Security and Social integration.

The objectives of this research were to study about student’s quality of life level of the Faculty of Science and Fisheries Technology Rajamangala University of Technology Srivijaya Trang Campus and compare student’s quality of life level which each gets different personal factors. The research group is the 310 students who study in 1-4 years of the Faculty of Science and Fisheries Technology Rajamangala University of Technology Srivijaya Trang Campus. The research material was questionnaire. The Reliability value analyzing was 0.92. The results were as follows: 1. In whole student’s quality of life level of had got a good quality of life level such as life satisfaction self-concept and socioeconomic factors were good level while health and functioning was medium level. 2. Comparison about differences personal factors of student’s quality of life level found that different seniority and major influences to student’s quality of life.

The purposes of the study were to examine the quality of life of the motorcycle taxi drivers in Bangkok Metropolitan region and to investigate the development of the quality of life of the motorcycle taxi drivers in Bangkok Metropolitan region. The sample of the study drawn by the method of stratified simple random sampling consisted of 507 motorcycle taxi drivers in Bangkok Metropolitan region. The questionnaire was used as the data gathering tool. The statistics applied for data analysis consisted of Frequency Percentage Mean Standard Deviation Crosstabs T-test F-test at 0.05 level of significance. The results of the study demonstrated that the majority of the motorcycle taxi drivers were male between 36-50 years old completed secondary education were married lived in rentedhouses earned average daily income of 200-400 Baht earned average monthly income of 5000-10000 Baht spent average monthly expenses of 5001-10000 Baht earned their living as the motorcycle taxi drivers for 3-5 years had white vehicle registration plates and drove motorcycle taxis in Bangkok area. The study of opinion concerning the quality of life revealed that the motorcycle taxi drivers in Bangkok Metropolitan region expressed their opinion on overall aspects of quality of life at a high level Mean =3.72. When each aspect of the quality of life was examined it was found that safety aspect was at a highest level next below were the aspects of work life spirit and soul participation family life health and communication. According to the aspects of income and environment the study showed a moderate level of opinion respectively however the aspects of housing and education were found at a high level. With regard to the opinion on the development of quality of life the motorcycle taxi drivers had a moderate level of opinion Mean=3.21.

The purposes of this research were to examine quality of work life and work performance of teachers in Rajamangala Technology University of technology isan and to compare the quality of work life and work performance of teachers in Rajamangala Technology University of technology isan. Sample for the study consisted of 165 teachers in university. Data were obtained through the use of questionnaires and analyzed using descriptive statistics t-test ANOVA and sheffe. The 0.05 level of significance was chosen for the analysis. Results of this study revealed that all of the aspects of the quality of work life of teachers in were at the moderate level and work performances of teachers were at the high levels. Regarding the comparison of work life quality and work performance of teachers in Rajamangala Technology University of technology isan When classified by highest of Education there was found to be no significant difference at 0.05. The analysis of variance to compare the quality of work life regarding to teachers’ different job experience teacher’s different salary as a whole or individual revealed no significant differences.