Table 1. Comparison of altmetric and bibliometric indicators for preprints attracting extremist and nonextremist audiences.
| Metric | Median value for preprints attracting extremist audiences (N = 182) | Median value for all other preprints (N = 1,618) | p-value of Wilcoxon rank-sum test |
|---|---|---|---|
| Number of tweets received | 136 | 110 | 3.75e-05 |
| Mentions in mainstream news sources | 4 | 1 | 5.69e-04 |
| Altmetric Attention Score | 98.4 | 69.2 | 2.83e-09 |
| Academic Audience Fraction (our estimate) | 0.76 | 0.94 | 1.04e-48 |
| Academic Audience Fraction (Altmetric’s estimate) | 0.35 | 0.51 | 3.69e-42 |
| Number of literature citations | 3 | 3 | 0.85 |
| Date posted to bioRxiv | September 18, 2018 | November 4, 2018 | 4.52e-03 |