Post Study System Usability Questionnaire

The time they used to complete the task was a measure of efficiency. The number of deviations from the ideal number of steps (i.e., the number of missed steps) was counted as a measure of effectiveness (Frokjaer et al., 2000 Nielsen, 1993). Finally, satisfaction was assessed with self-report questionnaires. The questions included the Post Study System Usability Questionnaire (PSSUQ) (Lewis, 2002), five questions about the quality of the wearable, and four questions including the best and worst characteristics of the system, when would they prefer to wear the garment, and additional... 

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