An In-Depth Look into the Text Entry User Experience on the iPhone:

摘要: Sixty volunteers participated in a within-groups study aimed at evaluating the text entry system on iPhone. Participants completed multiple structured tasks iPhone's soft keyboard and two hard-key mobile phone keypads - QWERTY numeric. The message completion time number of errors per were collected to identify potential differences performance between devices. made significantly more total iPhone than numeric phones. When using iPhone, owners left messages device owners. Furthermore, novice expert users did not differ terms they A detailed analysis was also conducted. key hit rates all above 90%, while for keypad 96%. Keys had higher false alarm rates.