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Table 12 Summary of usability problems addressed

From: Evaluating the usability of a co-designed power assisted exercise graphical user interface for people with stroke

Category

V1 problem

V2 amendment

Safety

Help button not visible enough

Help icon more centrally positioned on menu bar

Assistance called message not visible enough

Assistance called message centralised

Distinction between stop/pause/help functions not clear

Menu bar reformatted

Operational

Repeated clicks to start exercise

‘Start exercise’ icon triggered a countdown to exercise

Select duration/start exercise icons not visible enough

Background and icon boundaries amended to be more distinct

Programme effectiveness

Effort detection dial misinterpreted

Effort detection displayed as an expanding balloon

User experience

Performance metrics (watts) not understand by users

Standalone numbers displayed

‘Col-de-Shapemaster’ concept not meaningful

‘Shapemaster Island’ concept introduced