Quality Metrics

<default_to_action> When measuring quality or building dashboards:

1. MEASURE outcomes (bug escape rate, MTTD) not activities (test count)
2. AVOID vanity metrics: 100% coverage means nothing if tests don't catch bugs
3. SET thresholds that drive behavior (quality gates block bad code)
4. TREND over time: Direction matters more than absolute numbers </default_to_action>

Quick Reference Card

When to Use

• Building quality dashboards
• Defining quality gates
• Evaluating testing effectiveness
• Justifying quality investments