Touch screen with audio feedback: Content analysis and the effect of spatial ability on blind people´s sense of position of web pages

This article presents findings from a Content Analysis of verbal and audio protocol of Mental Model study. When using touch screen display with audio feedback, it was found that the users´ mental model is in one dimensional as using screen-reader program. Previous experience using screen-reader program may affected the users´ experience using a touch screen with audio feedback. In addition, investigation of blind users´ spatial ability on users´ performance was also conducted. This study revealed that there was a significant interaction effect between the user´s spatial ability and the time taken to answer a question using touch display with audio feedback.