| This study aims to understand the class environment,belief in a just world and prosocial behavior status qua for high school students,starting from the factors of affecting the prosocial behaviors of high school students,discussing the class environment and the belief in a just world of high school students have what kind of influences on their prosocial behavior,as well as the belief in a just world from high school students has intermediary effect in the process of the environmental impact of prosocial behaviors.This research was mainly conducted by means of questionnaires,including My Class Questionnaire,Belief in a Just World Scale and adolescents’ Prosocial Behavior Tendency Scale(PTM).By using t test,F test,correlation analysis,structural equation model and other statistical methods for,600 senior high school students to explore the relationships between senior high school students’ class environment,belief in a just world and prosocial behavior,and analyzing the influence of high school students’ prosocial behavior for their senior high school students’ class environment and belief in a just world.The results are as follows:(1)High school students’ prosocial behaviors are generally above the average level.There are noteworthy differences in the overall social pro level of senior high school students by gender.(2)There is an important positive correlation between class environment,belief in a just world and prosocial behavior of high school students.(3)High school students’ belief in a just world plays a part intermediary role between class environment and prosocial behavior.The conclusions are as follows:1.High school students’ prosocial behaviors are generally above the average level.Gender affects the overall level of high school students’ prosocial behavior,and significantly affects the altruism and compliance of high school students’ prosocial behavior.2.Classroom environment and belief in a just world both have a positive predictive effect on prosocial behavior.A good class environment can directly encourage the development of high school students’ prosocial behavior,and it can also promote the development of high school students’ prosocial behavior through the intermediary variable of belief in a just world indirectly. |