HomeResearchPublications Conference Paper The role of visual versus aural stimuli in producing mode effects on answers to survey questions By Peter Lynn, Annette Jäckle, Steven Hope, Pamela C. Campanelli and Gerry Nicolaas+More Publication details Publication date 11 July 2011 Series or book European Survey Research Association Conference Series or chapter number 4th Publisher European Survey Research Association View on surveymethodology.eu Notes University of Lausanne, Switzerland