Questionnaire or scale | Validity | Reliability | ||||||
---|---|---|---|---|---|---|---|---|
Content | Criterion | Construct | Internal consistency (Cronbach’s alpha) | Repeatability | ||||
Convergent | Discriminant | Factor analysis | Test- retest | Inter-rater | ||||
(ICC) | (Correlation) | |||||||
CHQ | ||||||||
Parent report | + | +* | +* | +* | +* | 0.60-0.93* | 0.49-0.78* (at 2 weeks) | |
0.47-0.82* (at 6 weeks)a | ||||||||
0.42-0.64* | ||||||||
Adolescent report | + | +* | +* | +* | +* | 0.79-0.90* | ||
ITQOL | + | + | - | + | - | 0.73-0.92 | 0.42-0.82 | - |
SDQ | ||||||||
Parent report | + | +* | - | + | +* | 0.67-0.80* | 0.61-0.77* (at 1 year) | |
0.59-0.82* | 0.52-0.85* (at 2 weeks) | |||||||
0.32-0.46* | ||||||||
0.59-0.75* (11+) | 0.66-0.82* (at 2 weeks) | |||||||
Child report | + | - | - | - | - | 0.55-0.73* (<11) | ||
BSS | ||||||||
Adult report | + | - | - | - | - | 0.74 | - | - |
Child report | + | - | - | - | - | 0.79 | - | - |
K10 | + | +* | - | - | +* | 0.92* | 0.8123* | N/A |