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  • 1. Usability test ofballot paper prototypes fortablet -design iterationsUniversity of BaltimoreDrew DaviesDana ChisnellKathryn SummersMegan McKeeverNovember 11-14, 2012

2. Iteration 1 3. Iteration 2 Localizes the ballot for the testing location. 4. Iteration 3Reorients to verticalfrom horizontal,getting ready for tinyscreens. 5. Instructions to voters 6. Iteration 1 Appears after the title screen. Text comes from NIST research. 7. Iteration 2 Corrects emphasis in the rst paragraph. 8. Iteration 3 Added illustration, which did not seem to help. 9. Iteration 4Moved from horizontalto vertical changes theproportions, whichfeels different. 10. Iteration 5Added a simplerillustration back intothe vertical version. 11. Help versionHere we added apointer to thesupplemental contentthat acts like contexthelp. 12. Straight party voting 13. Iteration 1 The NIST ballot includes straight-party. 14. Iteration 2 Expands explanation of straight-party voting. 15. Iteration 2, selected state 16. Iteration 3 Paring down the instructions substantially. 17. Iteration 4 Simplifying wording, and adding paragraph breaks. 18. Iteration 5Vertical layoutenforces order. Weadded (i) buttons forsupplemental content. 19. Vote for 1 20. Iteration 1 Showing the number of choices remaining was helpful. 21. Iteration 1, selected state 22. Iteration 2 Correcting the instructions for changing votes. 23. Leads to informationInformation about theabout contestmarking theballot forthis contest Position statements from the candidatesIteration 3 Removing most instructions and adding entry to supplemental content. 24. Supplemental content, iteration 1 25. Supplemental content, iteration 1 26. Supplemental content, iteration 1 27. Iteration 4Vertical, with minimalinstructions. 28. Supplementalcontent,iteration 2In addition to goingvertical, we addedsimplied illustrations. 29. Supplementalcontent,iteration 2 30. Multi-candidatecontests 31. Iteration 1 32. Iteration 1, selected state Avoiding a testing artifact, we changed party names. 33. Iteration 2 Correcting the instructions for changing votes. 34. Iteration 2, content scrolled down 35. Iteration 2, content scrolled to end 36. Iteration 3Vertical format,minimal instructions. 37. Iteration 3,contentscrolled 38. Iteration 4 39. Iteration 4,scrolledWe still have questionsabout how scrollingshould work. 40. Judge retentioncontests 41. Iteration 1 42. Iteration 2 Changing the order of and shortening instructions. 43. Iteration 3Vertical, minimalist. 44. Referenda 45. Iteration 1 Note Yes or No. 46. Iteration 2, and selected state 47. Iteration 3 Correcting the instructions on changing votes. Switching to For andAgainst. The literature is unclear about whether its better than Yes and No. 48. Iteration 4Staying with For andAgainst for thevertical version posedno problems. 49. Ballot measures 50. Iteration 1 51. Iteration 2 Correcting the instructions on changing votes. 52. Iteration 3 Localizing the state the ballot measure applies to. 53. Iteration 4Pared-downinstructions, and roomfor a question that canbe answered Yes orNo. 54. Write-ins 55. Iteration 1 Instructions from the NIST study. 56. Iteration 1 57. Iteration 2Vertical version, withminimal instructions,focusing on whatwould invalidate thevote. 58. Iteration 2 59. Supplementalcontent,iteration 1Touching the (i) leadsto the instructions thatused to be on thesurface screen. 60. Reviewing votes 61. Iteration 1 62. Note theuse of theword,choicesIteration 1, scrolled down (page 2) 63. Iteration 1, scrolled down (page 3) 64. Iteration 1, scrolled to the end 65. Iteration 2Vertical format, withwording change in thescroll button. 66. Iteration 2,scrolled down(page 2) 67. Iteration 2,scrolled down(page 3) 68. Iteration 2,scrolled down(page 4) 69. Iteration 3,scrolled down(page 4) 70. Iteration 4,scrolled down(page 2)Revelation! Choicesmeans there are stillmore choices to make.Wording changes bothin the title and thebutton label. 71. Iteration 4,scrolled down(page 3)The wording changesand simple instructionshelped participantsunderstand thepurpose and use ofthe Review. 72. Supplementalcontent,iteration 1 73. Changing a vote 74. Iteration 1 75. Iteration 2Changing the buttonlabel to telegraph thenavigation. 76. Iteration 3 77. Iteration 4 78. Casting the vote 79. Iteration 1 80. Iteration 1 81. Iteration 2Were hoping that thevertical format willscale well to tinyscreens. 82. Iteration 2 83. 18 participants4 days16 versions 84. Next:Usability testing ofdigital prototypesmid-January 2013