| Features | Narrative LR | Systematic LR |
|
Question |
Broad | Specific |
|
Source |
Not usually specified, potentially biased |
Comprehensive sources, explicit search approach |
|
Selection |
Not usually specified, potentially biased |
Criterion-based selection, uniformly applied |
| Evaluation | Variable | Rigorous critical evaluation |
| Synthesis | Often Qualitative | Quantitative |
| Inferences | Sometimes evidence-based | Usually evidence-based |
