Previous research has highlighted the importance of system response time (SRT) for Web usability. In the present study, this parameter was studied using a choice reaction task to assess the effect on both performance and subjective measures. Results showed that SRT variability had no effect on usability when using text displays and, although Web experience increased speed of task performance, this did not affect perceptions of SRT. Presents implications for Web server design and future research into SRT.
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