Chapter 1 review

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Chapter 1 review
Opinions? Questions? Observations? Assignment?
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Some words on quality

• Black box vs White box
• Inspection process
• What do we inspect
• When do we inspect
• How do we inspect
• Benefits/problems
• Is that all?

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Basic Roadmap

• Analyze requirements
• Derive design alternatives
• Build prototypes
• Evaluate prototypes
• Implement
• Test
• Integrate
• Maintain

• Feasibility study
• Identify users
• Identify activities/context
• Identify needs
• Derive requirements
• Plan project
• Plan validation/testing

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Where do requirements come from?

• Questionnaires
• Interviews
• Focus groups
• Naturalistic observation
• Ethnomethodological
• Contextual inquiry
• Participatory design
• Documentation

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Understanding Users

• Who is the Users?
• those who interact directly with the product
• those who manage direct users
• those who receive output from the product
• those who make the purchasing decision
• those who use competitors products

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Studying Users

• Questionnaires
• Interviews
• Focus groups
• Naturalistic observation
• Ethnomethodological
• Contextual inquiry
• Participatory design
• Documentation

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What are needs?

• Users rarely know what is possible
• Users cant tell you what they need to help
  them achieve their goals
• Instead, look at existing tasks
• their context
• what information do they require?
• who collaborates to achieve the task?
• why is the task achieved the way it is?
• Envisioned tasks
• can be rooted in existing behaviour
• can be described as future scenarios

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Assignment 2