摘要
[目的/意义]通过考察兰德公司在倾向评分方法上的运用及研究概况,总结该方法在因果推断研究中的一般步骤,提出其对我国情报学研究的借鉴意义。[方法/过程]通过对兰德公司研究报告与文献的调查,从发布时间、研究类型等角度分析倾向评分方法的运用现状,选取具有代表性的研究报告作为案例,总结该方法在因果推断研究中的操作流程。[结果/结论]倾向评分方法在兰德公司的情报研究中有着广泛的应用,并且在其运用中逐渐规范化、成熟化。该方法在因果推断中对观察性数据的有效处理,能够在情报学研究中拓宽研究范围,提高研究的质量与效率。
[ Purpose/significance ] By examining the research of the Rand Corporation on the propensity score method, this article summarizes the general research steps in the causal inference research, and purposes some reference in information science study of China. [ Method/process ] By deeply reading Rand Corporation＇ s released reports, this article analyzes the current study situation from the perspective of time, research type and content of research. Then by selecting a representative study case, this article summarizes the operation flow of propensity score method. [ Result/conclusion ]RAND Corporation has a wide range of research and applications on propensity score method gradually standardized and mature in the study, which can effectively deal with observational data, broaden the scope of the information science study and improve the quality and efficiency of research.
出处
《图书情报工作》
CSSCI
北大核心
2016年第19期135-142,共8页
Library and Information Service
关键词
倾向评分方法
兰德公司
因果推断
情报研究
propensity score RAND Corp causal inference information science study
