Methods To survey 203 poor students and 262 non-poor students by questionnaire sample in the match way, and analysis data by social science statistics software.

方法采用对偶取样方法对203名贫困生和262名非贫困生的社会支持和自我价值感进行了问卷调查，用社会科学统计软件进行数据统计。

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Note: From 2005, the statistics exclude the data of Non-environmental damage food.

注：2005年起数据不包括无公害部分。

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