Concurrent and discriminant validity coefficients for the Kutcher Adolescent Depression Scale
| Instrument | Instrument; coefficient | ||||
|---|---|---|---|---|---|
| KADS | Major depression disorder subscale, RCADS | ADRS | State anxiety visual analogue scale | Trait anxiety visual analogue scale | |
| KADS | 1.00 | – | – | – | – |
| Major depression disorder subscale, RCADS | 0.62 | 1.00 | – | – | – |
| ADRS | 0.61 | 0.63 | 1.00 | – | – |
| State anxiety visual analogue scale | 0.21 | 0.19 | 0.14 | 1.00 | – |
| Trait anxiety visual analogue scale | 0.17 | 0.27 | 0.16 | 0.31 | 1.00 |
Note: ADRS = Adolescent Depression Rating Scale, KEDS = Kutcher Adolescent Depression Scale, RCADS = Revised Children’s Anxiety and Depression Scale.