The purposes of the research were (1) to study CAT Telecom Public Company Limited (CAT) staffs perception of organizational communication (2) to study CAT staffs’ efficiency of organizational communication (3) to study the comparison of the differences on personal aspect and efficiency of organizational communication (4) to study perception of organizational communication related to efficiency of organizational communication. The sample group was 380 samples who were CAT staffs all over the country. The questionnaires were distributed to the selected respondents in order to collect data. The statistical methods used to analyze data were frequency percentage mean standard deviation t-test One-way analysis of variance and Pearson product moment correlation coefficient. The results indicated the majority of female respondents for 60.26 percent. The bachelor’s degree or equivalence comprised 48.95 percent. There were experience group from 6-10 years was 28.68 percent and 70.26 percent of work in central location. The CAT staffs’ perception of organizational communication was in high level (xˉ=3.79). Considering each aspect found that all aspect were in high level included receiving message aspect (xˉ=3.80) interesting in message (xˉ=3.63) ability to remember the message (xˉ=3.71) and credibility of message (xˉ=3.99). The overview of efficiency of organizational communication of CAT was in high level (xˉ=3.70). Considering each aspect found that all aspect were in high level included sender (xˉ=3.72) message (xˉ=3.72) channel (xˉ=3.64) and receiver (xˉ=3.74). The result of the hypothesis found that: Personal aspect was the difference on education experience and work location had different efficiency of organizational communication with statistical significance at level .05 while different gender showed no differences of the efficiency of organizational communication. The perception of organizational communication was unrelated to the efficiency of organizational communication. xˉ=3.72) message (xˉ=3.72) channel (xˉ=3.64) and receiver (xˉ=3.74).

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.

The objectives of this study were to discover the effectiveness of the environmental accounting on the financial information quality classified by the population characteristics and the organization sustainability of businesses certified by ISO 14001 in Thailand. The data were collected from 200 Finance and Accounting directors or managers of businesses certified by ISO 14001 in Thailand through the questionnaire as a research instrument. Statistics used in the data analysis included frequency percentage mean standard deviation multiple correlation analysis and multiple regression analysis. The results showed that the effectiveness of environmental accounting regarding in the aspect of the reliability of the data reporting was significantly related to the quality of financial information and corporate sustainability. In addition the quality of financial information was also significantly related to the organization sustainability which included the addition of business value competitive ability and the organization image.

The purposes of this research were to study personal information work motivation organization commitment compared according to demographic characteristics and influence of work motivation towards organization commitment of Y generation employees working for domestic high-speed service providers. 160 Y generation employees working for domestic high-speed service providers were the samples. The questionnaire were distributed on-line and analyzed by descriptive statistics including the frequency percentage mean and standard deviation t-test F-test One-way ANOVA Persons Product Moment Correlation Coefficient and multiple regressions. The results revealed that the employees’ who were different in terms of marital status and work tenure had different organization commitment. The employees with different gender age education and income did not differ in terms of their organizational commitment. In the overall the level of corporate commitment was very high; the relationship between motivation and organizational commitment positively correlated and had the influence on Y generation employees’ organizational commitment at the 0.05 level of 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 .