| Strengths and Difficulties Questionnaire |  |  | |||||
---|---|---|---|---|---|---|---|---|
 | Normal range | Borderline range | Abnormal range | Cronbach Alpha | ||||
Sample (n = 90, ages 1-17 years) | Germany* (n = 930, ages 6–16 years) | Sample | Germany | Sample | Germany | Sample | Germany | |
n (%) | % | n (%) | % | n (%) | % | Â | Â | |
Total Difficulties score§ | 52 (57.8) | 81.6 | 18 (20.0) | 8.4 | 20 (22.2) | 10.0 | 0.75¥ | 0.82 |
Emotional symptoms§ | 56 (62.2) | 86.0 | 4 (4.4) | 6.3 | 30 (33.3) | 7.7 | 0.73 | 0.66 |
Conduct problems | 80 (88.9) | 84.7 | 2 (2.2) | 8.7 | 8 (8.9) | 6.6 | 0.34 | 0.60 |
Peer problems§ | 55 (61.1) | 86.7 | 12 (13.3) | 6.3 | 23 (25.6) | 7.0 | 0.18 | 0.58 |
Hyperactivity/Inattention§ | 68 (75.6) | 85.3 | 14 (15.6) | 4.9 | 8 (8.9) | 9.8 | 0.48 | 0.76 |
Prosocial behaviour | 80 (88.9) | 84.4 | 2 (2.2) | 8.5 | 8 (8.9) | 7.1 | 0.55 | 0.68 |