This is a good point. The parent article doesn't link to the paper but in it they give all of their hypothesis with p values <0.05, so the can reject the null

This is a good point. The parent article doesn't link to the paper but in it they give all of their hypothesis with p values <0.05, so the can reject the null hypothesis and give statistical confidence to theirs: http://schererstefan.net/assets/files/scherer_etal_FG2013.pdf http://schererstefan.net/assets/files/scherer_etal_FG2013.pd...