Table 3.
Frequencies of self-references, attitude markers, boosters, and hedges per 1000 words over the study period.
| TFs | Self-references | Attitude markers | Boosters | Hedges | ||||
|---|---|---|---|---|---|---|---|---|
| Mean | Standard deviation | Mean | Standard deviation | Mean | Standard deviation | Mean | Standard deviation | |
| 1 | 7.09 | 4.12 | 12.92 | 10.12 | 13.36 | 6.31 | 25.46 | 8.11 |
| 2 | 7.27 | 3.2 | 10.5 | 6.68 | 10.12 | 4.46 | 22.69 | 7.88 |
| 3 | 7.24 | 3.02 | 10.21 | 5.26 | 13.69 | 5.14 | 25.81 | 7.38 |
| 4 | 3.83 | 1.36 | 6.00 | 3.19 | 15.72 | 4.02 | 33.64 | 6.23 |
| 5 | 1.20 | 0.95 | 8.18 | 3.95 | 16.48 | 4.79 | 32.97 | 5.15 |
| All data | 5.52 | 3.64 | 9.60 | 6.42 | 13.82 | 5.34 | 27.85 | 8.12 |
Supplementary Information 4 provides a complete list of markers, alongside frequencies.