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. 2013 May 28;8(5):e64841. doi: 10.1371/journal.pone.0064841

Table 1. The number of successes and failures for comparisons of citations and metric scores for articles with non-zero metric scores.

Metric Successes Failures Z Null Total tests Journals Articles
Tweets** 24315 (57%) 18576 (43%) 27.7 159242 202133 3303 208739
FbWalls** 3229 (58%) 2383 (42%) 11.3 32037 37649 1850 41349
RH** 3852 (56%) 3046 (44%) 9.7 57857 64755 1004 66763
Blogs** 1934 (60%) 1266 (40%) 11.8 20383 23583 992 25567
Google+ 426 (53%) 378 (47%) 1.7 2399 3203 332 3867
MSM** 338 (59%) 232 (41%) 4.4 1651 2221 196 2613
Reddits 103 (56%) 81 (44%) 1.6 1799 1983 178 2339
Forums** 19 (86%) 3 (14%) 3.4 43 65 8 81
Q&A 12 (67%) 6 (33%) 1.4 266 284 51 386
Pinners 4 (80%) 1 (20%) 1.3 264 269 50 369
LinkedIn 0 (-) 0 (-) - 42 42 17 76

Articles are only compared against other articles from the same journal.

*

Ratio significantly different from 0.5 at p = 0.05, **Significant at p = 0.01; Bonferroni corrected for n = 11.