Plain Language Makes a Difference When People Vote, Journal of Usability Studies (2010)
This article from the May 2010 issue of the Journal of Usability Studies reports the findings from a study of the effect of the language used on ballots in the United States. It defines "plain language" and describes the methodology of the study and also includes key points to take a way for practitioners.
The link address is: http://www.upassoc.org/upa_publications/jus/2010may/JUS_Redish_May_2010.pdf
