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Designing the Mobile User Experience phần 8

Thiết bị và nền tảng áp dụng phù hợp cho tất cả các thiết bị và nền tảng. Khi sử dụng Sử dụng khi các hạng mục cho vay mình để một bộ sưu tập chữ cái, nhưng danh sách không phải là rất dài. Cơ sở Hiển thị một danh sách kết quả, khi danh sách được quản lý | APPLICATION USABILITY TESTING 173 on a computer pretending to be a phone yet not a phone. This will absolutely affect test results. An emulator is likely to reveal issues with labeling amount of information on each screen language core user interface softkey management and similar issues. It will not reveal many issues with color signposting management of interruption and especially the feel of game play. 9.4.2 Laboratory Usability Testing Testing on devices in a usability lab provides a closer experience to the actual application. The use of an actual device makes the experience closer to the actual experience. The user can gesture with the device hold it closer move it away and interact with the user interface as it will be used in actual use. Softkeys will act exactly as they will in the final application. Data collection can be a challenge. Most usability tests record the user s body language and interaction with the product using two cameras. These videotapes are useful for the product team to understand how users are reacting to their product. However mobile devices are intended to be held. The best solution to the problem is to put the device on a sled. The sled has two cameras one pointing at the device face and the other pointing to where the user s face is if the user is looking at the device. This allows the device to act very much as if there were no cameras at all while allowing the researcher to use most of the same tools as she would if it were a computer usability test. As always it is best to match the device used in the usability test with the type of device the participant typically uses. When done well laboratory usability testing will capture the majority of user experience issues. It generally will not capture issues with navigation of physical and virtual spaces simultaneously interruptions from other people or incoming messages social issues or color in a variety of lighting conditions. 9.4.3 Field Usability Testing Field usability testing .