中文摘要：

采用2005年深圳外来农村流动人口的调查数据，利用指数随机图模型（p＊模型），分析了农民工的社会网络（包括社会支持网和社会讨论网）结构。分析结果显示，农民工社会网络关系稀疏，尤其是社会讨论网；无论在聚敛性还是扩张性方面，农民工社会网络的核心-边缘的局部结构均较明显，且有小团体现象产生；社会支持和社会讨论关系都更可能受到中间人的控制或约束。属性变量对社会支持网的影响较多，而对社会讨论网的影响较少。指数随机图模型为基于社会网络来认识农民工的社会化过程提供了新的方法。

英文摘要：

Using the whole network data from ＂Shenzhen Rural-urban Migrants Survey＂ in 2005, and exponential random graph model （ p ＊ model） , this paper analyzes the structure of social support networks in terms of instrumental, emotional, and social contact support and social discussion networks about marriage, childbearing, contraception and oldage support issues. The results indicate that the relationships in these networks are sparse, especially in social discussion network. Whether in attractiveness or in expansiveness, core-periphery and small group structures exist in these networks, and relationship between two people is controlled by someone to some extent. Attribute variables have a little more effects on social support networks, but less effects on social discussion networks. Exponential random graph model provides a new method for us to understand the social process of the migrants.