1. William H. Bowers – whb108@psu.edu Requirements Torres 9

2. William H. Bowers – whb108@psu.edu Topics Sources of Key Features Sources of Key Features Requirements Gathering Approach Requirements Gathering Approach UI Requirements UI Requirements Usability Requirements Usability Requirements Visible and Measurable Visible and Measurable

3. William H. Bowers – whb108@psu.edu Sources of Key Features Existing documentation Existing documentation User tasks User tasks Business Procedures Business Procedures Descriptions of users Descriptions of users

4. William H. Bowers – whb108@psu.edu Sources of Key Features Current products Current products Competitive products Competitive products Industry information Industry information Users Users Sponsors Sponsors

5. William H. Bowers – whb108@psu.edu Requirements Gathering Approach Typical scenario Typical scenario –End user talks to supervisor –Supervisor talks to IT representative –IT representative talks to IT manager –IT manager talks to planner –Planner talks to development team

6. William H. Bowers – whb108@psu.edu Requirements Gathering Approach Joint Application Development (JAD) Joint Application Development (JAD) Focus groups Focus groups Observation Observation Contextual interviews Contextual interviews Competitive evaluations Competitive evaluations

7. William H. Bowers – whb108@psu.edu Requirements Gathering Approach Questionnaires Questionnaires Task analysis Task analysis Use cases Use cases Prototyping Prototyping

8. William H. Bowers – whb108@psu.edu UI Requirements Style Style Platform Platform Consistency with existing applications Consistency with existing applications Screen content Screen content Screen behavior Screen behavior

9. William H. Bowers – whb108@psu.edu UI Requirements Screen appearance Screen appearance User interaction techniques User interaction techniques Keyboard behavior Keyboard behavior User feedback User feedback User control of features User control of features Navigation Navigation

10. William H. Bowers – whb108@psu.edu UI Requirements Navigation Navigation Data persistence during navigation Data persistence during navigation Online help Online help Error prevention Error prevention Error recovery Error recovery

11. William H. Bowers – whb108@psu.edu UI Requirements Direct entry techniques Direct entry techniques Data validation Data validation Colors, graphics, etc. Colors, graphics, etc. Accessibility for people with disabilities Accessibility for people with disabilities

12. William H. Bowers – whb108@psu.edu Usability Requirements Task and workflow support Task and workflow support Consistency Consistency Integration Integration Response time Response time Reliability Reliability Maintainability Maintainability

13. William H. Bowers – whb108@psu.edu Visible and Measurable Document and publish requirements Document and publish requirements Prioritize requirements Prioritize requirements Obtain formal approval (sign off) Obtain formal approval (sign off) Schedule requirements development Schedule requirements development Track functional requirements Track functional requirements

14. William H. Bowers – whb108@psu.edu Questions & Discussion