Table 3.
Percentage of journals with positive βlow, βhalf and βtop for each factor. All values are statistically significant (p<0.001) except for those marked with an asterisk (see §4.5).
| property | factor | βlow>0 (%) | βhalf>0 (%) | βtop>0 (%) |
|---|---|---|---|---|
| length | no. characters (title) | 71.4 | 56.2 | 27.7 |
| no. words (abstract) | 96.5 | 96.7 | 83.4 | |
| complexity | Herdan's C (title) | 50.1* | 56.7 | 62.4 |
| Herdan's C (abstract) | 19.4 | 28.1 | 51.2* | |
| z-index (title) | 62.0 | 58.2 | 47.9* | |
| z-index (abstract) | 71.3 | 82.1 | 81.0 | |
| fog index (abstract) | 62.9 | 68.2 | 72.9 | |
| sentiment | arousal (title) | 56.5 | 61.6 | 58.3 |
| arousal (abstract) | 62.8 | 67.8 | 61.9 | |
| valence (title) | 42.9 | 43.1 | 49.5* | |
| valence (abstract) | 42.0 | 47.6* | 63.4 | |
| no. authors | 93.4 | 92.5 | 61.6 |