Methods & evidence
A reader-facing audit of how strong the evidence base is: study designs, paper-level evidence strength, and claim-level grades.
3844
assessed papers
18.0%
causal-design share
35258
classified claims
Study design mix
| Design | Papers |
|---|---|
| Descriptive | 1116 |
| Theoretical | 806 |
| Correlational | 562 |
| Quasi Experimental | 505 |
| Review Meta | 486 |
| Rct | 186 |
| Commentary | 109 |
| Other | 73 |
| Experimental | 1 |
Paper-level evidence strength
| Strength | Papers |
|---|---|
| Medium | 1837 |
| N/a | 980 |
| Low | 906 |
| High | 121 |
Claim-level evidence grades
| Grade | Claims |
|---|---|
| Medium | 19059 |
| Low | 5785 |
| Speculative | 4925 |
| High | 3943 |
| N/a | 1545 |
| Medium-High | 1 |
Highest-weighted evidence categories
Average evidence weight combines study type, evidence grade, and extraction confidence. Categories with fewer than five weighted claims are excluded.
| Outcome category | Claims | Papers | Average evidence weight |
|---|---|---|---|
| Creative Output | 143 | 57 | 0.353 |
| Team Performance | 320 | 159 | 0.284 |
| Worker Satisfaction | 484 | 254 | 0.267 |
| Output Quality | 2025 | 768 | 0.259 |
| Task Completion Time | 672 | 442 | 0.251 |
| Wages & Compensation | 312 | 180 | 0.246 |
| Decision Quality | 2228 | 872 | 0.244 |
| Hiring & Recruitment | 202 | 107 | 0.244 |
| Firm Revenue | 656 | 346 | 0.238 |
| Error Rate | 535 | 326 | 0.229 |
Caveat
The causal-design share is a coarse screening label from automated assessment. It is useful for triage, but individual papers still need human review before making causal claims.