本研究以问卷调查为主，并结合访谈和观察法，对63名体育差生在内的616名高中二年级学生进行了调查研究。
The paper which is based mainly on questionnaire combined with interviewing and observing studied 616 grade 2 students in high school, including 63 inferior students.
方法：采用定量与定性相结合的方式对城市、农村以及流动人口问卷调查，并对相关部门领导进行访谈。
Methods Adopt quantitative and qualitative methods and make investigation on the urban, rural and migrant population and interview with relevant department leaders.
方法根据数据类型和分布特征采用相应的统计描述与推断方法，运用差距分析法进行安全性评价，并结合定性访谈结果进一步分析产生差距的原因。
Methods a descriptive statistical methods was employed. A qualitative method, such as key informant interview was also used to evaluate the causes of the disparities.
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