Table 3 T-tests for average APC and publication time for journals and articles
From: ‘Predatory’ open access: a longitudinal study of article volumes and market characteristics
100+ journal publisher | 10–99 journal publisher | 2–9 journal publisher | Single-journal publisher | |
|---|---|---|---|---|
Average APC for journals | ||||
100+ journal publisher | - | P <0.05 | P <0.05 | P <0.05 |
10–99 journal publisher | - | - | P >0.05 | P <0.05 |
2–9 journal publisher | - | - | - | P <0.05 |
Single-journal publisher | - | - | - | - |
Average APC for articles published in 2010–2014 | ||||
100+ journal publisher | - | P <0.05 | P <0.05 | P <0.05 |
10–99 journal publisher | - | - | P >0.05 | P >0.05 |
2–9 journal publisher | - | - | - | P <0.05 |
Single-journal publisher | - | - | - | - |
Average publication time for journals | ||||
100+ journal publisher | - | P >0.05 | P >0.05 | P >0.05 |
10–99 journal publisher | - | - | P >0.05 | P <0.05 |
2–9 journal publisher | - | - | - | P >0.05 |
Single-journal publisher | - | - | - | - |
Average publication time for articles published in 2014 | ||||
100+ journal publisher | - | P >0.05 | P >0.05 | P <0.05 |
10–99 journal publisher | - | - | P <0.05 | P <0.05 |
2–9 journal publisher | - | - | - | P >0.05 |
Single-journal publisher | - | - | - | - |