以16家省级政务微博作为研究样本,甄选出4项一级指标、10项二级指标,构建政务微博影响力评价指标体系,并运用因子分析法和聚类分析法,进行政务微博影响力评价与比较实证研究。政务微博影响力绝大部分信息可以通过“公开-互动因子”和“获取-反馈因子”两个公因子反映出来。16家政务微博影响力水平可划分为5大类型,即强度领先型、综合中等型、综合落后型、均衡发展型和综合领先型。研究结果表明,政务微博影响力发展水平不均衡；低影响力政务微博偏多,高影响力政务微博相对较少,16家政务微博影响力呈底部巨大的“金字塔型”结构分布。%This paper takes 16 provincial government affairs micro-blogs as examples, establishes evaluation system composed of 10 inde-xes, and applies the method of factor analysis and cluster analysis to study influence evaluation and comparison of government affairs micro-blogs. Two components, namely“publicity-interaction factor” and“acquisition-feedback factor”, can better explain main information of influence of government affairs micro-blogs. The influence of government affairs micro-blogs can be divided into five types, which are“strength lead type”,“comprehensive medium type”,“comprehensive behind type”,“balanced development type” and“comprehensive lead type”. The results show that the levels of influence of government affairs micro-blogs are not balanced. Further, the distribution of influence of 16 government affairs micro-blogs presents a pyramidal structure.
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