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The problem
Intervention: School-based sexuality education programmes
Who it was tested with: Adolescents in schools across multiple countries.
Experience from people who deliver programmes: stories, case studies and lessons learned. Valuable for understanding how and why, and for spotting what to test next, but not a measure of effect.
"A meta-analysis was conducted on the scientific evidence of the effectiveness of school-based sexuality education programmes in different countries from 2000 to 2020. The review included 47 studies. Effect size was calculated using Hedges' g." This represents a systematic comparison of multiple studies with standardised effect size measurement, meeting experimental evidence criteria.
High heterogeneity across studies indicates effectiveness varies; specific moderator variables affecting outcomes are analysed but not detailed in this abstract; long-term behavioural outcomes not reported.
Across countries and designs
1 study · 1 country
