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This study was a 3 (temporal interrupt position: file menu; tools menu; content manipulation) x 3 (task type: drawing; typing or selecting cells in Excel; text editing) x 4 (number of replications) repeated measures within subjects design, for a total of 36 notifications per single subject session. Both studies reported in this paper were run on a Dell Precision Workstation 610 MT with a dual P450 processor and 256 MB RAM. The computing system also included a Sony 15” flat panel monitor, a Microsoft serial mouse and keyboard. EXPERIMENT 2—IM AT DIFFERENT PHASES OF WEB TASKS

Figure 1 This study was a 3 (temporal interrupt position: file menu; tools menu; content manipulation) x 3 (task type: drawing; typing or selecting cells in Excel; text editing) x 4 (number of replications) repeated measures within subjects design, for a total of 36 notifications per single subject session. Both studies reported in this paper were run on a Dell Precision Workstation 610 MT with a dual P450 processor and 256 MB RAM. The computing system also included a Sony 15” flat panel monitor, a Microsoft serial mouse and keyboard. EXPERIMENT 2—IM AT DIFFERENT PHASES OF WEB TASKS

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Figure 3. Mean log time attending to IM and resuming search task for each IM type (+SEM).
Figure 3. Mean log time attending to IM and resuming search task for each IM type (+SEM).
Figure 2. Mean log time to switch from task to notification for each interrupted phase (+ SEM).
Figure 2. Mean log time to switch from task to notification for each interrupted phase (+ SEM).
Related topics:
Human Computer InteractionTask SwitchingUser Interface Design
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