This research aims to study 1) personal factors affecting the performance of Thai commercial bank employees 2) motivation affecting the work performance of Thai commercial bank employees 3) self-development affecting the work performance of Thai commercial bank employees 4) the work performance of Thai commercial bank employees. The population for this research was 162093 Thai commercial bank employees. The sample size of 383 people was determined using Krejcie & Morgan. The data was collected from Google Form questionnaires. The statistics used to analyze the data were frequency percentage mean and standard deviation. The statistics used to test the research hypothesis were T-test one-way analysis of variance the pair test by the Scheffe method and single linear regression analysis statistics. The results showed that most of the samples were female employees between 21-30 years of age a bachelor’s degree single status income in the range of 15001-25000 Baht and a working period of 5-10 years. The respondents had their opinion level of motivation factors happiness factors and self-development factors affecting the work performance of Thai commercial bank employees. It was found that the sample group had the highest opinion level in the overall opinion level. The results showed that the respondents had an opinion level of the work performance of Thai commercial bank employees. It was found that the sample group had the opinion level as a whole at the highest opinion level. The results of hypothesis test 1 revealed that personal factors such as gender age educational level status income and working in different departments had no effect on the performance of Thai commercial bank employees. Statistically significant at the 0.05 level and personal factors such as differences in the working period. Factors affecting the performance of Thai commercial bank employees at a statistically significant level of 0.05 and personal factors such as age education level income working period. When testing the hypothesis classified by aspects the efficiency of work of Thai commercial bank employees differed. Therefore the difference was tested by pair using Scheffe’s method. The results of hypothesis test 2 revealed that motivation affects the performance of Thai commercial bank employees. The correlation coefficient (R) = 0.858 adjusted R^2= 0.753 was statistically significant at the 0.05 level. The results of hypothesis test 3 revealed that self-development affects the efficiency of Thai commercial bank employees. The correlation coefficient (R) = 0.640 adjusted R^2= 0.40 was statistically significant at the 0.05 level.

This study aims to examine stress and factors in stress for employees in a public bank using questionnaire to collect data from the sample group consisting of 237 employees from a public bank. The hypothesis is analyzed by multiple linear regression. Result was: 1. Operational factors such as work description acceptance and accomplishment had positive impact on stress for the sampled bank employees. Operational factors constituted 40.30% of change in stress for the sampled group 2. Organizational factors such as work structure and relationship with colleagues likewise had positive impact on stress for the sampled bank employees. Organizational factors represented 34.30% of impact on stress for the sampled group.

The purposes of this research were to: study performance efficiency of Kasikorn Bank employees; to compare personal characteristics and performance efficiency of Kasikorn Bank employees; and study correlation of employee competencies to performance efficiency of Kasikorn Bank employees. The questionnaire and test were employed for collecting data from the sample group comprising 287 cases of Kasikorn Bank employees at Ratburana head office. The sample group was derived from simple random sampling. The frequency percentage mean standard deviation T-test one-way ANOVA and Pearson’s correlation with statistical significance at the level of 0.01 to 0..05 were applied for data analysis. The findings revealed that the majority of participants were female; aged between 18-30 years; working years were five years or more; and their position was unit chief. The result of difference comparison found that different genders ages and working years had no different effect to performance efficiency. Moreover correlation between employee competencies and performance efficiency of Kasikorn Bank employees it was found that correlation was at high level and the same direction.

The objectives were to: study organization engagement of Kasikorn Bank employees; compare personal factors with organization engagement of Kasikorn Bank employees; and study job satisfaction of employees with relationship to organization engagement of Kasikorn Bank employees. The questionnaire and test were used for compiling data. The frequency percentage mean standard deviation one-way ANOVA and Pearson’s Pearsons correlation with statistical significance at the level of 0.01 to 0.05 were employed for data analysis. The findings indicated that the majority of respondents aged between 21 and 30 years; their working years ranged between 1 and 5 years; their marital status was married; their average monthly income was 40001 Baht or more; and their position was unit chief. The different ages and working years affected different organization engagement. Meanwhile different marital status average monthly income and position did not differently affect to organization engagement. In addition job satisfaction had intermediate correlation with organization engagement of Kasikorn Bank employees and was at the same direction.