One of the biggest questions I get is about the difference between mediators, moderators, and how they both differ from control variables.
I recently found a fabulous free video tutorial on the difference between mediators, moderators, and suppressor variables, by Jeremy Taylor at Stats Make Me Cry. The witty example is about the different types of variables–talent, practice, etc.–that explain the relationship between having a guitar and making lots of $$.
Thanks. It looks like Jeremy has changed his domain. Here is the link: http://www.statsmakemecry.com/spss-video-tutorials/how-to-test-for-mediators-moderators-and-suppressors.html.
I have updated it above as well.
The links to the following are not working:
I recently found a fabulous free video tutorial on the difference between mediators, moderators, and suppressor variables, by Jeremy Taylor at Vary Your Stats Consulting. The witty example is about the different types of variables–talent, practice, etc.–that explain the relationship between having a guitar and making lots of $$.