The research was aimed to investigate the extent of participation and factors affecting personnel participation in public organization development (group 2). The population in this study were 1917 personnel working in public organizations (group 2). The researcher determined the sample size using Craig and Morgan method. The samples used in the study were 321 persons. In this research a self-constructed questionnaire was used as the instrument to collect data which then were analyzed using percentage mean and standard deviation Two-way ANOVA and Multiple Regression analysis. The research results were as follows. 1. The study on factors affecting personnel participation in public organization development (group 2) revealed that factor regarding attitude towards work participation was at high level with the average of 3.97; environmental factor in the organization towards organizational participation was at high level with the average of 3.93; motivation factor was at high level with the average of 3.85; communication factor was at high level with the average of 3.80; communication factor was at high level with an average of 3.80; and organizational culture factor was at a high level with an average of 3.79 2. Differences in terms of experiences and workplaces were not statistically significant and had no influence on the participation in the organizational development of personnel in public organizations. 3. Attitude factors did not statistically influence the participation in organizational development of personnel in public organizations. 4. Motivation and communication factors influenced the participation in organizational environment and organizational development of personnel in public organization (group 2) at the .05 level of significance totally predicted the dependable variables by 4.6 percent.

The main objective of this research is to study the factors that affect the work efficiency of personnel. Faculty of Science and Technology Rajamangala University of Technology Phra Nakhon This will lead to suggestions for the development of personnel to be more efficient in their operations. Data was collected between October 2018 and September 2019 which was a survey research using a questionnaire consisting of 4 parts: 1) general information of the respondents which was demographic characteristics 2) Satisfied with the operational efficiency 3) quality of working life and 4) Other suggestions with a sample of the research as Personnel under the Faculty of Science and Technology Rajamangala University of Technology Phra Nakhon amount 50 people. Data analysis used descriptive statistics for demographic data. And use statistical methods for analysis of relevant factors and testing hypotheses. The results of the study showed that the factors of work success of the Faculty of Science and Technology personnel Rajamangala University of Technology Phra Nakhon Able to work according to the set goals Without having a backlog And proud of the work Able to solve immediate problems Which is considered to be very good therefore Faculty of Science and Technology Should focus on personnel development in the workplace In order to further improve the operational efficiency of the personnel.

The purposes of the study were to investigate the organizational commitment compare factors affecting the organizational commitment and explore related factors affecting the organizational commitment of the personnel working at Suan Dusit University the questionnaire was administered to 362 samples and analyzed by the percentage distribution mean - Way ANOVA and pearson product moment correlation coefficient analysis set at 0.05 statistical significance. The study results revealed that Suan Dusit University personnel had high level of organizational commitment in general. Factors related to overall working performance were good and working experience was in average. It is also found that the organizational commitment level of the personnel who were different in different in terms of age marital status educational level work tenure and salary Income at 0.05 statistical significance. Additionally overall working performance as well as working experience was highly and positively related to the organizational commitment in general.

The objective of this research is to study the readiness and procedure of the personnel in coping with the entering Asean community from example group of 126 people which classified by sex ages position educational degree field of work salary and working life. This study uses questionnaire as a tool in collecting data that could be categorized in three aspects knowledge skills and attitudes. The questionnaire is five rating scales that analyze the result by frequency percent average the average of standard deviation and T-test independent by using one way ANOVA. The results were as follows : From one hundred percent of the personnel of faculty of Engineering Rajamangala university of technology phra nakhon which 58.25% classified by the educational field and 31.75% support line are ready to enter into Asean community which could be seen average in whole picture. After considering in three aspects it appeared that knowledge and skills of personnel are also average. However the attitude of personnel was considered in a high level. Hypothetic test result was found that there was no difference among the personnel with difference sex ages position educational degree field of work salary and working life in their readiness in entering Asean Community.