Measurement method and questionnaires are used to explore delinquency, mental problem and maladjustment of primary school students based on a sample of 357 pupils.

• 运用测量法和问卷法,以某市357名小学生为对象,探讨了小学生的品德不良行为及其心理问题与行为适应性问题,并揭示了它们之间相互的关系。