Response time and display rate in human performance with computers
ACM Computing Surveys (CSUR)
A collaborative model of feedback in human-computer interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Wizard of Oz prototyping of computer vision based action games for children
Proceedings of the 2004 conference on Interaction design and children: building a community
Wizard-of-Oz prototyping for co-operative interaction design of graphical user interfaces
Proceedings of the third Nordic conference on Human-computer interaction
CHI '06 Extended Abstracts on Human Factors in Computing Systems
40years of searching for the best computer system response time
Interacting with Computers
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Research on psychological effects of delayed system response time (SRT) has not lost its topicality, since uncertainty in providing immediate system response remains, even after decades of stunning enhancements in computer science. When delays occur, the user's expectancy about the temporal course of an interaction is not fulfilled which he may interpret as irritating. The current study investigates physiological effects on the skin conductance (SC) and its particular patterns in two experimental scenarios. In the first scenario, unexpected delays of 0.5, 1, and 2 seconds occur while the subject is performing a two-choice auditory categorization task, expecting the system to respond immediately after their input. The second scenario is a wizard-of-oz (woz) scenario in which the user plays the game 'concentration' that is being manipulated in order to induce various emotional states. During the 'negative' sequences delays of 6 seconds are triggered. The patterns of the mean SC curves during delays are analyzed.