# Validity Threat Matrix

| Threat Category | Specific Threat | Risk Level | Evidence | Mitigation | Residual Limitation |
|---|---|---|---|---|---|
| construct validity | | | | | |
| internal validity | | | | | |
| external validity | | | | | |
| statistical conclusion validity | | | | | |
| measurement validity | | | | | |
| data leakage | | | | | |
| missingness | | | | | |
| confounding | | | | | |
| selection bias | | | | | |
