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The problem
Intervention: Requiring active parental consent for participation in school-based mental health surveys
Who it was tested with: Adolescents in 259 classes across 20 Norwegian lower secondary schools.
Children or communities are compared with a group that did not receive the intervention, or followed over years. This is the design that best separates what the intervention did from everything else that changed.
"A cluster randomized controlled trial within 20 Norwegian lower secondary schools: 259 classes were randomized to either (1) active parental consent, or (2) adolescent self-consent. Data were collected with online questionnaires administered during school hours... The data were analyzed using fixed-effects regression models." This is an experimental design with random assignment to conditions and measurement of multiple outcomes in both groups.
The study is limited to Norwegian schools and may not generalize to other educational systems or cultural contexts. The mechanisms underlying lower participation by students with immigrant backgrounds are not explored. The analysis focused on measurable outcomes but cannot assess whether non-participants differed on unmeasured mental health characteristics.
Across countries and designs
1 study · 1 country
