Redesigning the Olin Dining Hall Point of Sale System

Jerzy, Sa’am, Sean4 April 2005

Goals

• Redesign Dining Hall POS system

– Ease of use, for cashiers

– Speed and simplicity, for customers

– Accountability and tracking usage, for manager

PersonasLuisa

Glenda

GlendaStanderson!Standerson!

Scenarios• Stan pays for Connie

– Declining balance on student cards

• Glenda rings up elderly visitors– Visitors paying with cash

• Luisa and the MBA– Can’t accept credit cards, long lines at

lunch

Time for a demo!

Lessons Learned

• Sensitivity to users– Language– Experience with technology

• Parallel prototyping• Hodexmark’s rules

Question everything?