Table 3 Descriptive data and correlations (Study A)
Variables | N | M (± SD) | Min./Max. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Teachers’ experienced classroom demands |  |  |  | ||||||||||||
 1 | Time and work pressure a | 108 | 3.36 (± 0.93) | 1/5 |  |  |  |  |  |  |  |  |  |  |  |
 2 | Vocal strain | 108 | 3.16 (± 1.22) | 1/5 | 0.333*** |  |  |  |  |  |  |  |  |  |  |
 3 | Uncertainty concerning subject matter | 108 | 2.97 (± 1.36) | 1/5 | 0.283** | 0.202* |  |  |  |  |  |  |  |  |  |
 4 | Uncertainty concerning didactical decisions | 107 | 2.83 (± 1.00) | 1/5 | 0.264** | 0.364*** | 0.400*** |  |  |  |  |  |  |  |  |
 5 | Achievement-related diversity in class | 108 | 3.68 (± 0.86) | 2/5 | 0.336*** | 0.286** | 0.057 | 0.292** |  |  |  |  |  |  |  |
 6 | Lack of social appreciation | 108 | 3.25 (± 1.22) | 1/5 | 0.167 | 0.276** | 0.486*** | 0.338*** | 0.091 |  |  |  |  |  |  |
 7 | Disquietude in class | 108 | 3.78 (± 0.85) | 1/5 | 0.281** | 0.194* | 0.312** | 0.229* | 0.068 | 0.177 |  |  |  |  |  |
 8 | Classroom disturbances | 108 | 3.66 (± 0.92) | 1/5 | 0.191* | 0.229* | 0.232* | 0.200* | –0.086 | 0.323*** | 0.535*** |  |  |  |  |
 9 | Behavioural problems of students | 108 | 4.16 (± 0.76) | 2/5 | 0.226* | 0.127 | 0.129 | –0.084 | 0.056 | 0.182 | 0.199* | 0.319** |  |  |  |
 10 | Insufficient skills of students | 108 | 3.36 (± 0.85) | 1/5 | 0.309** | 0.148 | –0.038 | 0.074 | 0.244* | 0.045 | 0.065 | 0.054 | 0.053 |  |  |
 11 | Insufficient motivation of students | 108 | 3.24 (± 0.98) | 1/5 | 0.128 | 0.074 | –0.086 | 0.061 | 0.197* | –0.006 | 0.167 | 0.096 | 0.135 | 0.308** |  |
Teachers’ socio-demographic characteristics | |||||||||||||||
 12 | Sex (0 = female, 1 = male) | 107 | %Female 77.6 |  | –0.116 | –0.105 | –0.038 | –0.103 | –0.053 | –0.154 | –0.114 | –0.081 | –0.121 | –0.094 | –0.034 |
 13 | Age (years) | 107 | 38.2 (± 9.5) | 18/64 | –0.240* | –0.026 | –0.146 | –0.032 | –0.138 | –0.004 | –0.123 | 0.045 | –0.272** | –0.019 | 0.020 |
 14 | Teaching experience (years) | 108 | 11 (± 9.1) | 0/41 | –0.177 | –0.063 | –0.148 | –0.065 | –0.053 | –0.040 | –0.152 | 0.001 | –0.180 | 0.055 | 0.081 |
 15 | Primary schools (= 1; 0 = others) | 108 | %31.5 |  | 0.000 | 0.020 | –0.150 | 0.048 | 0.215* | 0.005 | –0.205* | –0.041 | 0.081 | –0.062 | –0.105 |
 16 | Secondary schools (= 1; 0 = others) | 108 | %25.9 |  | 0.057 | 0.039 | –0.056 | –0.029 | 0.001 | –0.015 | 0.020 | –0.062 | –0.032 | 0.075 | 0.057 |
 17 | Common schools (= 1; 0 = others) | 108 | %19.4 |  | 0.014 | 0.086 | 0.060 | 0.189 | 0.116 | 0.016 | 0.206* | 0.092* | –0.120 | 0.166 | 0.066 |
 18 | Vocational schools (= 1; 0 = others) | 108 | %15.7 |  | –0.039 | –0.084 | 0.175 | –0.155 | –0.242* | –0.042 | 0.039 | 0.086 | 0.085 | –0.193 | 0.017 |
 19 | Special needs schools (= 1; 0 = others) | 108 | %7.4 |  | –0.062 | –0.113 | 0.026 | –0.106 | –0.224* | 0.049 | –0.035 | –0.082 | –0.027 | 0.002 | –0.033 |