Required Sample Size to Detect the Mediated Effect
给出了六种常用中介效应检验方法在不同参数组合下所需的样本量，为研究者设计研究或申请资助时提供参考。
Mediation models are widely used, and there are many tests of the mediated effect. One of the most common questions that researchers have when planning mediation studies is, "How many subjects do I need to achieve adequate power when testing for mediation?" This article presents the necessary sample sizes for six of the most common and the most recommended tests of mediation for various combinations of parameters, to provide a guide for researchers when designing studies or applying for grants.