The purposes of the study were to investigate 1) the opinions towards internal organizational factors affecting organizational commitment of DENSO Tool & Die (Thailand) Co. Ltd. employees 2) the organizational commitment and 3) the influence of factors affecting the performance of DENSO Tool & Die (Thailand) Co. Ltd. Employees. The data were collected from the employees through a questionnaire used as the research tool on organizational factors affecting organizational commitment and analyzed through parameter value percentage mean score (μ) standard deviation (σ) Spearman rank Correlation Coefficient or Spearmans rho and stepwise regression. The findings revealed that the internal factors affecting the commitment of the employees working at DENSO Tool & Die (Thailand) Co. Ltd. were positively related at the .01 statistical significance.

This research was aimed to analyze work performance classified by personal information to investigate internal factors of support personnel work performance and influence of internal factors affecting work performance of the support personnel at Rajamangala University of Technology Phra Nakhon. The population used in this study was 693 staff working at Rajamangala University of Technology Phra Nakhon Bangkok. The sample size was determined by Craig and Morgan method to draw out 250 samples. The research instrument was a questionnaire constructed by the researcher to collect data manually. The data obtained from the questionnaire were analyzed using percentage mean standard deviation and T-test F-test ANOVA Pearson coefficient and multiple regression analysis. The research revealed the results as follows. Work performance of the support personnel of Rajamangala University of Technology Phra Nakhon in the overall was at high level with the mean Organization factors of the support personnel of Rajamangala University of Technology Phra Nakhon in the overall was at high level with the The results of the study on personal factors agreed with the overall performance of Rajamangala University of Technology Phra Nakhon personnel. It was found that the status salary and educationhours and working centers were significantly different .

The purposes of this research were : 1) to study the level of internal organization factors and the level of total quality management of Rajamangala University of Technology Phra Nakhon; and 2) to study the influence of internal organization factors that affect affecting the total quality management of Rajamangala University of Technology Phra Nakhon. This was a quantitative research which its samples group was consisted of 277 Rajamangala University of Technology Phra Nakhon employees. Data were collected through questionnaire and analyzed by frequency percentage mean standard deviation Pearson Product Moment Correlation Coefficient and multiple regression analysis. The results were found that : 1) the total of internal organization factors and the total quality management of Rajamangala University of Technology Phra Nakhon were at the high level ; 2) six factors of internal organization factors that affect the total quality management of Rajamangala University of Technology Phra Nakhon which are style shared values system staff structure and strategy. These factors could explain 84% of variance to total quality management at RMUTP predict the total quality management.