Meta-Analysis: Cumulating Research Findings across Studies
介绍元分析作为一种整合已有研究的方法，帮助研究者评估已有发现并得出新结论，对希望实现社会科学知识积累的学者有用。
Meta-analysis is a way of synthesizing previous research on a subject in order to assess what has already been learned, and even to derive new conclusions from the mass of already researched data. In the opinion of many social scientists, it offers hope for a truly cumulative social scientific knowledge.