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| Proposal |
Does concept appear good to the users? |
If simple concept: phone questionnaire |
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| If complex concept: group focus session |
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| If private issues are important: one-to-one interviews |
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| List of Functions |
Group focus session |
Group focus session |
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| Which function can be left out, or deferred? |
Questionnaire on value of functions |
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| Task Design |
Is planned workflow practical? |
Mock-up walkthrough |
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| Group focus sessions |
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| Are there steps missing or improvements needed? |
Group focus sessions or on-the-wall method |
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High-Level User
Interface Structure
& Visual Metaphor |
Is it obvious what the system does? |
Protocol simulation
Describe the system and each object |
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| Can users find the functions? |
Protocol simulation
For each function, where would you find it? |
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| Can users learn the structure easily? |
Protocol simulation
Teach back |
|
Selection of an
Alternative Design |
Which of these design ideas is best? |
Contrast experiment |
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Design of Specific
Icons & Words |
Do these communicate effectively? |
Matching questionnaire |
|
Screen Design
Prototype |
Are there places where users get stuck, confused,
or make errors? |
Protocol simulation trial |
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| Which function can be left out, or deferred? |
Questionnaire on value of functions |
|
Help, Job Aids,
Cue Cards,
Wizards &
Documentation |
Are there places where users get stuck, confused,
or make errors? |
Protocol simulation trial |
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Final Deliverable
Application |
Does concept appear good to the users? |
Protocol simulation trial |
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| Is our application better that the competitions’? |
Contrast experiment |
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| Does it meet its human performance objectives? |
Formal usability test |
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| Does it work in the real world? |
Field trial |
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