Chart presentation methods
| Chart presentation methods | Total number | Median number | Range number |
|---|---|---|---|
| Line | 347 | 8 | 0–48 |
| Bar | 158 | 4 | 0–21 |
| Line and bar | 33 | 0 | 0–8 |
| Other | 51 | 0 | 0–13 |
| Total | 589 | ||
| Across time | 413 | 9 | 0–49 |
| Between-groups | 112 | 1 | 0–18 |
| Both across and between | 64 | 1 | 0–12 |
| Total | 589 | ||
| Reference indicators | |||
| No | 304 | 7 | 0–35 |
| Yes | 285 | 7 | 0–39 |
| Total | 589 | ||
| Reference indicators depicting the role of chance | |||
| No | 197 | 4.5 | 0–37 |
| Yes | 88 | 1 | 0–16 |
| Total | 285 | ||
| Methods of depicting chance | |||
| Error bars | 16 | 0 | 0–2 |
| Control lines | 72 | 0 | 0–16 |
| Total | 88 | ||