What Makes People Buy Self-Published Books?

Originally posted on Tara Sparling writes:
In this post, I discussed the findings of a scientifically incontrovertible study (of myself) on the factors which influenced me when buying a self-published book. [getty src="http://skyecallahan.wordpress.com/201..." width="457" height="425"] The findings surprised me (which surprised me, because I was surveying myself). I found that I knew what made me…