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Byrne, Michael D. Kortum, Philip Wallach, Dan S. Lane, David M. Campbell, Bryan 2013-09-16T14:54:06Z 2013-09-16T14:54:17Z 2013-09-16T14:54:06Z 2013-09-16T14:54:17Z 2013-05 2013-09-16 May 2013 2013-09-16T14:54:17Z Campbell, Bryan. "The Usability Implications of Long Ballot Content for Paper, Electronic, and Mobile Voting Systems." (2013) Diss., Rice University. <a href="https://hdl.handle.net/1911/71932">https://hdl.handle.net/1911/71932</a>. https://hdl.handle.net/1911/71932 123456789/ETD-2013-05-508 In the 2008 United States presidential election over 131 million ballots were cast. A substantial fraction of those ballots, approximately 23 million (17.5%), were cast as absentee ballots either domestically or by overseas and military citizens (EAC, 2008). These numbers demonstrate that a demand exists in the United States for less centralized voting procedures. One potential solution, allowing voters to cast ballots on Internet-enabled mobile devices, could potentially increase voter participation, reduce election administration costs, increase election flexibility, and provide the ability for voters to interact with familiar technology. Two experiments were conducted to examine the efficacy of a custom-designed mobile voting system as compared to more traditional voting technologies such as direct recording electronic and paper ballot voting systems. The results from experiment one suggest that displaying long ballot content as a single scrollable list may have distinct negative consequences on the effectiveness of electronic voting systems. Further, experiment one showed that candidates appearing below the fold, or not immediately visible without additional action from the voter are at a higher risk of being mistakenly voted against. The results from experiment two are largely consistent with experiment one in that they showed that a scrollable review screen led to more voting errors and that those candidates below the fold were at a distinct disadvantage. application/pdf eng Copyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder. Usability Voting DRE MVS Paper Long Content The Usability Implications of Long Ballot Content for Paper, Electronic, and Mobile Voting Systems Thesis Text Psychology Social Sciences Rice University Doctoral Doctor of Philosophy open.access