Table 5.
Descriptive statistics and reliability of the scales (n = 393)
| Stress scale | Items | T1 | T2 | T3 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | Std. deviation | Minimum | Maximum | Cronbach's α | Mean | Std. deviation | Minimum | Maximum | Cronbach's α | Mean | Std. deviation | Minimum | Maximum | Cronbach's α | Effect T2 − T1 | Effect T3 − T1 | ||
| PSY | 30 | 5.97 | 1.82 | 0.00 | 13.00 | .88 | 6.10 | 1.73 | 2.20 | 12.00 | .88 | 6.35 | 1.65 | 2.60 | 13.20 | .87 | 0.07 | 0.22 |
| SOC | 21 | 3.93 | 1.78 | 0.25 | 9.50 | .88 | 4.01 | 1.92 | 0.25 | 9.50 | .90 | 3.93 | 1.82 | 0.00 | 10.00 | .89 | 0.04 | 0.00 |
| PUPIL | 7 | 6.42 | 4.30 | 0.00 | 20.00 | .89 | 4.89 | 3.71 | 0.00 | 19.00 | .87 | 4.39 | 3.44 | 0.00 | 19.00 | .85 | −0.38 | −0.52 |
| DIS | 12 | 1.72 | 1.36 | 0.00 | 6.00 | .80 | 1.62 | 1.30 | 0.00 | 6.00 | .79 | 1.70 | 1.42 | 0.00 | 6.00 | .82 | −0.08 | −0.01 |
| TEN | 33 | 3.85 | 2.62 | 0.00 | 14.00 | .94 | 3.85 | 2.27 | 0.00 | 15.25 | .78 | 3.83 | 2.32 | 0.00 | 13.75 | .81 | 0.00 | −0.01 |
| EM | 17 | 1.07 | 1.38 | 0.00 | 8.50 | .82 | 0.99 | 1.28 | 0.00 | 7.00 | .80 | 1.06 | 1.38 | 0.00 | 8.00 | .83 | −0.06 | −0.01 |
| WR | 17 | 0.60 | 0.19 | 0.00 | 1.00 | .74 | ||||||||||||
| SE | 6 | 0.66 | 0.23 | 0.00 | 1.00 | .57 | ||||||||||||
| TB | 9 | 0.44 | 0.27 | 0.00 | 1.00 | .75 | ||||||||||||
| PD | 10 | 0.50 | 0.26 | 0.00 | 1.00 | .73 | ||||||||||||
PSY stands for high psychological task demands, SOC for negative social aspects, PUPIL for negative pupil aspects, DIS for discontent, TEN for tension, EM for negative emotions, WR for workload reduction, SE for supporting school enculturation, TB for support for effective teaching behaviour, and PD for supporting professional development.