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User Interface Design and Evaluation. Chapter 7 Case study on requirements: Tokairo, part 1. The System. UI for a kiosk and worksheet for oil tanker drivers Original system- Paper worksheet New system- Kiosk + Worksheet. Excel plc. Business unit of. Shell. Tankfreight. Tokairo.
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User Interface Design and Evaluation Chapter 7 Case study on requirements: Tokairo, part 1
The System • UI for a kiosk and worksheet for oil tanker drivers • Original system- Paper worksheet • New system- Kiosk + Worksheet
Excel plc Business unit of Shell Tankfreight Tokairo Subcontracts developments of lorry driver’s system to… Subcontracts Logistics to… Background info • Companies involved • Tokairo • Tankfreight • Shell
User requirements gathering • Domain • Logistics in oil industry • Drivers • Nonacademic • Motivated • Unions
User requirements gathering • Tasks • Safety checks • Load tanker • Drive tanker • Make deliveries • Make record of deliveries
User requirements gathering • Environment • Noise • Dirt • Poor writing instruments
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
Communicating user requirements • Spec passed to programmer • Tokairo did not write down the user requirements
Benefits of conscientious requirement gathering • Saves: • Time • Money