iPhone Data Scavenger Hunt

From the experiments, it was apparent that the data usage was too difficult to find. Some users succeeded in appropriately opening the settings icon but became quickly lost thereafter. Two of the 7 users tested failed to complete the task, while most of the others indicated that the task was significantly difficult. The exceptions were user 1 and 3, who relied on recall rather than recognition. This is one of the pitfalls described in Nielsen’s guide to usability. Even for experienced users like 1 and 3, no accelerators exist to complete the task quicker. Users must traverse the depths of the menu system every time. This violates Nielsen’s “Flexibility and efficiency of use” principle. In Apple’s defense, documentation is provided but may be difficult for the average user to find.

Apple should reevaluate the menu depth of the usage information. By placing this information so deep in the settings panel, Apple is assuming that most users do not need or care about data usage. As more data plans are becoming pay-as-you-go and quota based, data usage is incredibly relevant to the average user. Moving the data usage information to the top level of the settings panel would help many users. A further consideration is to add data usage to the status bar in the form of a battery-like icon.

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