Hacking on the Looping Effects of Psychiatric Classifications: What Is an Interactive and Indifferent Kind? This paper describes Ian Hacking’s looping effects of human kinds for psychaitric disorders. Authors: Jonathan Y. Tsou Year published: 2007 DOI: 10.1080/02698590701589601 PDF: here Ian Hacking’s concepts were better established in books rather than papers. A relevant book of Hacking’s, Rewriting the Soul, is reviewed on this site here.