非正式群体,是相对于班委会、学习小组等一类正式群体而言的另一种群体,是学生个人之间的关系密切、自愿接触和交往而结成的小群体。班级中存在小群体是一种正常的现象,多数班级中非正式群体的人数约占全班人数的1至153,他们可能是三五成群,也可能七八成群。在一个班风好的班级中,非正式群体可能会对优良班风的形成 Informal groups are another group of formal groups relative to the formal committees such as people’s communes and study groups. They are small groups formed by close personal relationships and voluntary contacts and exchanges. It is normal for small groups to exist in the class. The majority of informal classes in most classes comprise about 1 to 153 of the entire class. They may be in groups of three or five or in groups of seven or eight. In a good class class, the informal group may be good class wind formation