提问：

萧教授：

      您好，最近在学习PLS-SEM有关smartpls软体。看了您编著的《统计分析入门应用：SPSS分析+SmartPLS3》第三版一书受益匪浅，有以下疑问向您请教：

Q1：反应性指标是否也需要共线性检测？（国内很多实证论文中，反应性指标并未对共线性进行检测）

  Ans:   If your correlations are high, it is better to have VIF report  (共线性检测)

Q2：关于路径效果报告中，间接效应是否一定要在论文中报告呢？

Ans:    It is up to your research. 

  If you want to discuss total effects, you must report direct, indirect (间接效应), and total effects.

  Further, if you want to compare effects of factors, it is better also to report indirect (间接效应).

Q3：关于模型解释力及模型报告中，我看到很多国内的文献，仅报告了R2，是否一定需 要报告f2、q2呢？

Ans:  

You must report f square under 1) moderation effect and 2) small path coefficient but significant. 

 You must report Q square for prediction.

Thanks for your questions and good luck to your research.

   Prof. Mac Shiau (Wen-Lung Shiau)