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Correlation and Agreement Between Predictions From Pairs of Detectors
| Detector 1 | Detector 2 | Spearman ρ (95% CI) | P | Agreement, No. (%) | Positive for Both Detectors, No. (%) |
|---|---|---|---|---|---|
| Originality.ai | Sapling | 0.143 (0.128 to 0.159) | 5.7 × 10–72 | 14,672 (94.6) | 36 (0.23) |
| Originality.ai | GPTZero | 0.284 (0.270 to 0.298) | <1 × 10–100 | 14,744 (94.8) | 71 (0.46) |
| Sapling | GPTZero | 0.471 (0.458 to 0.483) | <1 × 10–100 | 15,306 (98.5) | 19 (0.12) |
NOTE. Analysis was conducted on all 15,553 abstracts included in this study.
