Breadcrumb Home UI professor comments on 'Extreme Couponing' participants' behaviors Friday, March 1, 2013 The Daily Iowan http://www.businessweek.com/articles/2013-02-28/the-all-consuming-pleasures-of-… Donald Black, UI professor of psychiatry, says that the behaviors displayed by people on the reality TV show Extreme Couponing could be considered variants of obsessive-compulsive disorder.