The support used by the author of the article titled "facing our fears" is;
A quote from a University of Michigan professor
From the article titled "facing our fears", the quote that was used was that from Stephen Maren who was a professor of psychology at University of Michigan where he said: "we are making a lot of progress. We take everything we learned from basic animal studies and incorporate it into the clinical practices that help people. Things are starting to unite in a very important way."
From that quote above we see that it is a support to buttress the point of facing our fears.
To prove that you have thought and considered that what you are arguing for has the higher benefit. It builds reliability and strengthens your argument