中文摘要：

知识分享和组织信任能够有效提高绩效，已在企业组织中得到证实，但在学校组织中是否成立及作用路径如何鲜有实证研究探讨。本研究以天津市10所学校的168名教师为研究对象，通过问卷调查探讨教师对直接上级的信任、知识分享及教师工作绩效之间的关系。路径分析结果显示：教师上级信任和知识分享的不同维度对教师工作绩效的影响存在差异；教师知识分享的质量在教师上级信任的依赖维度与工作绩效的关系中起部分中介作用。

英文摘要：

Knowledge sharing and trust in organizations could promote performance in organizations, which has been supported in beneficial organizations such as new product development teams, software development teams. Little empirical research has explored whether it can be applied in the context of schools. This study aimed to analysis the relationships among teacher＇ s trust in direct supervisors, knowledge sharing and teacher＇ s job performance, especially the mediating effect of knowledge sharing on the relationship between trust in direct supervisor and job performance. This study is different from previous relevant research. Firstly, it aimed at combining the effect of trust in direct supervisors and knowledge sharing on teacher＇ s job performance, not the relations between the two. Secondly, it employed teachers from various schools, not employees from firms. Thirdly, it focused on knowledge sharing and performance on the individual level, not on the macro （i. e. , collective and/or organizational） level. Lastly, it manipulated trust as willingness or behavior, not as belief. Based on previous relevant work, a model of the mediating effect of knowledge sharing on the relationship between trust in direct supervisors and job performance was established. Using the survey method and path analysis as the statistical tactic, this study surveyed 168 teachers from 10 schools of different kinds. The findings showed that （ 1 ） the levels of teachers＇ trust in direct supervisors and the quality of teachers＇ knowledge sharing were not high. Relatively, teachers＇ effort of knowledge sharing was higher. There was no difference in demographical variables such as age, school type, gender and positions. （2） The reliance dimension of teachers＇ trust in direct supervisors was positively correlated with teachers＇ job performance while the ＂disclosure＂ was not significantly correlated with performance. （ 3 ） The correlation between the effort of knowledge sharing and job performance was positive whil