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. 2016 Apr 11;4:e1935. doi: 10.7717/peerj.1935

Table 5. Caliper tests for exactly recalculated and exactly reported p-values per journal, including alternative binwidths.

Binwidth 0.00125 0.0025 0.005 0.01
x N Pr p x N Pr p x N Pr p x N Pr p
All 456 809 0.564 <.001 809 1,617 0.5 0.5 1,617 3,403 0.475 0.998 3,403 7,402 0.46 1
DP 46 87 0.529 0.334 87 185 0.47 0.811 185 358 0.517 0.281 358 756 0.474 0.932
FP 15 27 0.556 0.351 27 87 0.31 >.999 87 192 0.453 0.915 192 437 0.439 0.995
JAP 8 20 0.4 0.868 20 29 0.69 0.031 29 65 0.446 0.839 65 141 0.461 0.844
JCCP 43 78 0.551 0.214 78 161 0.484 0.682 161 364 0.442 0.988 364 780 0.467 0.971
JEPG 27 50 0.54 0.336 50 98 0.51 0.46 98 209 0.469 0.834 209 479 0.436 0.998
JPSP 184 305 0.603 <.001 305 547 0.558 0.004 547 1,117 0.49 0.764 1,117 2,451 0.456 >.999
PLOS 76 149 0.51 0.435 149 323 0.461 0.926 323 698 0.463 0.978 698 1,470 0.475 0.975
PS 57 93 0.613 0.019 93 187 0.497 0.558 187 400 0.468 0.912 400 888 0.45 0.999

Notes.

x
frequency of p-values in .05 minus binwidth through .05
N
total frequency of p-values across both intervals in the comparison, Pr, xN
p
p-value of the binomial test

Significant results (α = .05, one-tailed) indicating excess of p-values just below .05 and are reported in bold.