Structural Equation Model Cause of Organizational Citizenship Behavior of Personnel of Kasetsart University Sriracha Campus, Thailand

The purposes of this research are namely: 1) to study the levels of organizational citizenship behavior; 2) to investigated the validity of the factor influencing organizational citizenship behavior with empirical data; and 3) to explore the relationships among organization justice perception, job satisfaction and job burnout of Personnel of Kasetsart University Sriracha Campus. The sample were 300 persons who working at Kasetsart University Sriracha Campus by stratified proportional sampling method. The data is collected by using questionnaire estimation. The statistics used in this research are respectively mean, standard deviation, and the confirmatory factor analysis (CFA) is used to analyze the construct validity. The results show that: 1) the levels of organizational citizenship behavior was as rather high level; 2) the model influencing organizational citizenship behavior well fitted to empirical data: Chi - Square = 133.119 df = 111 p-value = 0.075 CMIN/df. = 1.199 GFI = 0.973 AGFI = 0.926 NFI = 0.977 IFI = 0.996 RMSEA = 0.023 RMR = 0.015 by all variables were casual factors directly affected to organizational citizenship behavior while organizational justice perception, job satisfaction and job burnout indirectly affect the organizational citizenship behavior through organizational commitment. The factors directly affect organizational commitment contain three factors, which are organizational justice perception, job satisfaction, and job burnout. All variables in the model account for 83.1% of the total variance in organizational citizenship behavior; 3) Job burnout produces negative relationship on organizational justice perception and job satisfaction, nonetheless, job satisfaction provides a positive relationship with organizational justice perception