| Review reports | Review report quality | Difficulty of requested changes | Resulting improvement | |
|---|---|---|---|---|
| All scientific fields | 2.18 | 3.60 | 2.83 | 3.71 |
| General | 2.17 | 3.38 | 3.00 | 3.68 |
| Natural sciences | 2.18 | 3.72 | 2.68 | 3.71 |
| Engineering (incl technology) | 2.28 | 3.73 | 2.75 | 3.70 |
| Mathematics and computer sciences | 2.04 | 3.51 | 2.63 | 3.69 |
| Medicine | 2.21 | 3.56 | 2.82 | 3.66 |
| Public health (incl health professions) | 2.16 | 3.72 | 2.55 | 3.74 |
| Psychology | 2.20 | 3.37 | 3.15 | 3.70 |
| Economics, business and law | 2.13 | 3.40 | 3.30 | 3.88 |
| Social sciences | 2.33 | 3.57 | 3.17 | 3.79 |
| Humanities | 2.14 | 3.59 | 2.89 | 3.91 |
More information: Huisman & Smits, 2017. ‘Duration and quality of the peer review process: the author’s perspective’, Scientometrics, 113(1), pp. 633-650.