BenfordMA — Digit Forensics for Meta-Analysis
Benford's Law screening of 403 Cochrane reviews
Important: Benford deviation is a screening signal, not proof of fabrication. Low digit counts per review reduce statistical power. Results require expert contextual interpretation.
Reviews
403
Cochrane meta-analyses
Digit Observations
First-digit entries
First-Digit MAD
Nigrini Class
First Digit Distribution
Second Digit Distribution
Mantissa Arc Plot

Polar histogram of log₁₀(|x|) mod 1. Under Benford's Law mantissas are uniform — a perfect circle. Spikes indicate digit clustering.

P-value Caliper Test

Histogram of p-values 0–0.10 in bins of 0.01. Excess in [0.04, 0.05) vs [0.05, 0.06) suggests “nudging” results to significance.

Per-Review Screening Table Click row to expand • BH-FDR corrected
Specification Sensitivity Analysis [+ Show]

1,175,056 specification-level digit observations from 394,570 multiverse specifications (theta, SE, p-value). Higher statistical power than the review-level corpus.