Adolescents (adolescenten), depression (depressie), prevention (preventie), positive development (positieve ontwikkeling).
Conditions
Interventions
Participating schools will be allocated at random to the intervention or control condition, stratified by educational level. Therefore, all adolescents in one school are in the same condition. In the
Sponsors
Radboud University Nijmegen, Trimbos-institute - Netherlands Institute of Mental Health and Addiction
Eligibility
Inclusion criteria
Inclusion criteria: 1. Adolescents in 8th grade, middle school (ages 12-14); 2. Middle school grade 8 (VMBO-t, HAVO, VWO, Gymnasium); 3. Informed consent.
Exclusion criteria
Exclusion criteria: Parents (on behalf of their child) do not allow their child to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Depressive symptoms. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Anxiety: Revised Children's Manifest Anxiety Scale (RCMAS); 2. Hopelessness: Beck's Hopelessness Scale (BHS); 3. Happiness (Cantril ladder); 4. Life Satisfaction: Students Life Satisfaction Scale (SLSS); 5. Optimism: Life Orientation Test-Revised (LOT-R); 6. Coping: Children Coping Strategies Checklist-Revised (CCSC-R); 7. Self-Efficacy: Self-Efficacy Questionnaire (SEQ); 8. Attribution styles/thinking styles; 9. Truancy; 10. School grades; 11. School attitude; 12. Substance use: Alcohol use, smoking; 13. Friendships/ being part of cliques. | — |
Contacts
Public ContactY.R. Tak
Radboud Universiteit Nijmegen Montessorilaan 3
Outcome results
None listed