Measurement Criteria - Examples

Usability
Which user interface is most usable?

Responsiveness
Which system works faster (e.g., has a lower response time)?

Productivity
Which system has the highest productivity (e.g., has highest rate of work completion, or throughput)?

Utilization
Which system best utilizes resources (e.g., keeps CPU busy to justify its cost, but not too busy to make users wait)?

Reliability
Which system is most reliable (e.g., is least likely to make an error)?

Availability
Which system is available most (e.g., has the least down-time)?