Topic modeling reveals distinct posting patterns within an online conspiracy forum. Colin Klein 1,2*‡ , Peter Clutton 1,2‡ , Vince Polito 2,3‡ , 1 Department of Philosophy, Macquarie University, Sydney, NSW 2109,Australia 2 ARC Centre of Excellence in Cognition and its Disorders, Macquarie University, Sydney, NSW 2019,Australia 3 Department of Cognitive Science, Macquarie University, Sydney, NSW 2109,Australia ‡These authors contributed equally to this work. * colin.klein@mq.edu.au 1