Table 2.
Mean (M), standard deviation (SD), minimum (Min) and maximum (Max), floor and ceiling effects, internal consistency and MSQ test-retest reliability.
| M | SD | Min | Max | Roof effect | Floor effect | Cronbach’s alfa | McDonald's omega | Test-retest | |
|---|---|---|---|---|---|---|---|---|---|
| SMQ | 9.79 | 5.75 | 1 | 23 | - | - | .90 | .93 | .98 |
| SMQ- At school | 2.38 | 2.34 | 0 | 9 | 19.7 | - | .81 | .89 | .97 |
| SMQ- At home/family | 6.02 | 3.06 | 1 | 12 | - | - | .90 | .91 | .96 |
| SMQ-In social situations | 1.39 | 1.55 | 0 | 6 | 33.8 | - | .80 | .82 | .96 |
| RSMQ | 9.26 | 5.26 | 0 | 23 | 0.9 | - | .88 | .92 | |
| RSMQ- At school | 2.19 | 2.06 | 0 | 8 | 28.2 | - | .79 | .84 | |
| RSMQ- At home/family | 5.79 | 3.07 | 0 | 13 | 0.9 | - | .88 | .91 | |
| RSMQ-In social situations | 1.26 | 1.36 | 0 | 6 | 36.4 | - | .72 | .74 |
Note. SMQ = Results of the first application RSMQ = Results of the retest (one month later).