Search the list Add your own study to the list Web-Lab Publications archived Social Psychology :: 05. 04. 2004 :: :: Beliefs in conspiracy theories   Patrick Leman Royal Holloway University of London   This study takes about 10 minutes to complete. Participants are asked to read a brief vignette concerning the assassination of a hypothetical President. Then participants are asked to rate the likelihood of evidence relating to the assassination. Finally, participants are asked for their assessment of the likelihood of several real world conspiracy theories. The aim is to explore how far circular reasoning explains the attribution of conspiracy to explain events.