Download User Centered Requirements Handbook
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RESPECT D 5.3 User-centred requirements handbook User interface design (Example 1) User goal: G1 Access required service quickly and safely User Validation (Details expanded in Example 2) Failure OK Return card. User to report to bank. Service selection Cash Balance Other service Specify amount Display balance Feedback that service will be delivered Collect cash and card Return card Return card Interaction step Interface flow FIGURE 5. GLOBAL USER-INTERFACE STRUCTURE Version 3.3 RESPECT Consortium 45