Sequential and Simultaneous Presentations of Information II. The role of experience

Mats Lind

Sequential and Simultaneous Presentations of Information II. The role of experience Mats Lind Report no. 17 from Uppsala University Center for Human-Computer Studies, Uppsala, Sweden.

Abstract

In decision making different presentations of relevant data may influence how quickly a correct decision is made. One way in which presentations of data can vary is whether the relevant data are available simultaneously or sequentially to the decision maker. In a previously reported experiment this presentation factor was shown to be important, in summary the results showed that, in a chosen task, the simultaneous presentation lead to substantially shorter decision times and that this effect could not be explained by the delays usually present in computer-based sequential presentations nor by the inherent property of sequential presentations to leave the spatial relations between different pieces of information undefined. The present study investigates the effects of practise and these results show that the effect does not grow smaller with practise even when experienced computer users are used as subjects.