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本文采集了四川D高校Z学院166位大学生的朋友关系网络和献血行为数据,运用Logit回归和Tobit截断回归检验了献血行为传播的社会关系距离。研究表明,献血行为在二度关系距离内存在着行为传播,即在朋友关系网络中,献血者不仅与朋友(一度)的献血行为,而且与其朋友的朋友(二度)的献血行为,存在着行为响应性;在三度社会关系内,献血者与其朋友的朋友的朋友的献血行为间,不存在着行为响应性。研究发现,献血者比未献血者具有更高的点入度,揭示出在朋友关系网络中献血者比未献血者更易于传播情感影响力。最后,本文提供了突发血荒情形下献血目标人群搜寻的启示建议,即地方血液中心可借助于无偿献血踊跃者的社会关系网络,引导其朋友以及其朋友的朋友前来献血,以在短时间内大幅提升血液采集量,供紧急之用。
This paper collects 166 college students’ friends relationship network and blood donation behavior data from Z College of Sichuan D University, and uses Logit regression and Tobit truncation regression to test the social relationship distance of blood donation behavior. Studies have shown that there is a behavioral transmission of blood donation behavior within the second-degree relationship distance, that is, in a friend relationship network, blood donors not only (once) donate blood to their friends, but also have blood donation behaviors with their friends (second degree) Behavioral Responsiveness; There is no behavioral responsiveness between the blood donations of friends of blood donors and their friends within three degrees of social relations. The study found that blood donors had a higher penetration rate than non-blood donors, revealing that blood donors in the network of friends are more likely to spread emotional influence than non-blood donors. Finally, this article provides enlightenment suggestive of blood donation target population search in the context of unexpected blood shortage, that is, local blood centers can help their friends and their friends’ friends to donate blood by means of the social network of gratuitous blood donors, Significantly increase blood collection time, for emergency purposes.