1. User Interface Design and Evaluation Chapter 7 Case study on requirements: Tokairo, part 1

2. The System UI for a kiosk and worksheet for oil tanker drivers Original system- Paper worksheet New system- Kiosk + Worksheet

3. Background info Companies involved  Tokairo  Tankfreight  Shell Business unit of Subcontracts developments of lorry driver’s system to… Tankfreight Excel plc ShellTokairo Subcontracts Logistics to…

4. User requirements gathering Domain  Logistics in oil industry Drivers  Nonacademic  Motivated  Unions

5. User requirements gathering Tasks  Safety checks  Load tanker  Drive tanker  Make deliveries  Make record of deliveries

6. User requirements gathering Environment  Noise  Dirt  Poor writing instruments

7. How Tokairo gathered user requirements Tokairo had prior knowledge about users Looked for “pockets” a.k.a. groups  Identify common characteristics Conducted Site and System Audit  Analyze function and link to documents involved

8. Communicating user requirements Spec passed to programmer Tokairo did not write down the user requirements

9. Benefits of conscientious requirement gathering Saves:  Time  Money

10. ¿Questions or Comments?