Thank you for using the site, and thank you for requesting me.
Did you try to attach those articles to your post? If so, they are not showing up on my end yet. Sometimes there is a delay, so I will check back periodically.
If you haven't yet attached them, please do so at your convenience.
Ok, I have them now.
So all you need to do is discuss why a non-parametric test would be used (using the articles as sources, I assume)? Is that correct?
I'm reading through the articles now.
Here is a response:
The reference included in that response refers to Part II of the three part series of articles.
Please let me know if there is anything else that I can do to help.