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

Table 4. Caliper test for exactly recalculated p-values per journal for different 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 1,404 2,808 0.5 0.508 2,808 5,761 0.487 0.973 5,761 11,824 0.487 0.997 11,824 25,142 0.47 >.999
DP 184 382 0.482 0.779 382 829 0.461 0.989 829 1,710 0.485 0.9 1,710 3,579 0.478 0.996
FP 30 69 0.435 0.886 69 172 0.401 0.996 172 376 0.457 0.956 376 799 0.471 0.955
JAP 73 145 0.503 0.5 145 270 0.537 0.124 270 556 0.486 0.765 556 1,168 0.476 0.952
JCCP 160 308 0.519 0.265 308 633 0.487 0.763 633 1,267 0.5 0.522 1,267 2,706 0.468 >.999
JEPG 81 164 0.494 0.593 164 332 0.494 0.608 332 683 0.486 0.778 683 1,535 0.445 >.999
JPSP 640 1,268 0.505 0.379 1,268 2,557 0.496 0.668 2,557 5,174 0.494 0.802 5,174 10,976 0.471 >.999
PLOS 125 260 0.481 0.752 260 541 0.481 0.828 541 1,170 0.462 0.995 1,170 2,544 0.46 >.999
PS 111 212 0.524 0.268 212 427 0.496 0.577 427 888 0.481 0.88 888 1,835 0.484 0.919

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.