1. SE 325/425 Goal, Question, Metric Approach Autumn 2006
James Nowotarski
17 October 2006

2. Goal Question Metric Goal 1 Goal 2 Question Question Question Question

3. Goal Question Metric
Technique for identifying suitable measurements to collect
Assumption: It is only worthwhile measuring things to satisfy goals
Goals are desired end states
Questions identify the information needs associated with goals, help determine whether or not goals are being met
Metrics are specific items that can be measured to answer the questions 3

4. GQM Example (High Level)
Goal
Improve systems delivery performance
How predictable is our process?
What is the quality
of our deliverables?
How quickly do we deliver?
How efficient are we?
Question
Fault density
Duration variance
percentage
Delivery rate
Productivity rate
Metric 4