# Diagnostic Case: diag-09

Post-event spike — presents correlation as potential causation. Must resist jumping to causal conclusion.

## Input

```
After the deployment last week, our complaint volume tripled to 47 cases per day.
```

## Result

- **Technical**: ✅ PASS (1/4 sub-checks pass)
- **Reasoning Quality**: ❌ FAIL (0/2 sub-checks pass)
- **Actual Primary Type**: causal_claim
- **Actual Reasoning Modes**: establish_baseline, identify_difference
- **Response Duration**: 1ms

### Reasoning Quality Failures

missing required concept(s): deployment, complaint volume increase, tripled, 47 cases