The source is actually:

http://www.nextnewdeal.net/rortybomb/researchers-finally-rep...

and the paper (including the data and code files upon which the results are based!) is:

http://www.peri.umass.edu/236/hash/31e2ff374b6377b2ddec04dea...

Thanks. I should have known better. I don't think Business Insider creates original content (well, they do create some, but not much).

Submitted the source to HN.