Table 2.
Internal consistency and convergent validity of the QCD
|
Subscore of QCD |
Cronbach’s α |
|
|||
|---|---|---|---|---|---|
| |
|
ODBI |
ADHD-RS |
||
| Hyperactivity | Inattention | Total score | |||
| Early morning/before going to school |
0.756 |
−0.419 |
−0.332 |
−0.448 |
−0.440 |
| School |
0.736 |
−0.241 |
−0.257 |
−0.355 |
−0.348 |
| After school |
0.680 |
−0.256 |
−0.279 |
−0.411 |
−0.398 |
| Evening |
0.775 |
−0.552 |
−0.429 |
−0.542 |
−0.547 |
| Night |
0.569 |
−0.262 |
−0.243 |
−0.279 |
−0.291 |
| Overall behavior |
0.728 |
−0.505 |
−0.400 |
−0.457 |
−0.474 |
| Total | 0.876 | −0.514 | −0.448 | −0.575 | −0.577 |
All correlations were significant at p < 0.001.