How to evaluate the effectiveness of social connection against non-suicidal self-injury?

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Evaluating the effectiveness of social connection against non-suicidal self-injury (NSSI) requires:
1. Social connection measurement: Use scales (e.g., UCLA Loneliness Scale, Social Support Questionnaire) to assess network quality, interaction frequency, and perceived belonging.
2. NSSI Symptom tracking: Employ standardized tools (e.g., NSSI-Lifetime Scale) to record injury frequency, severity, and urges, comparing baseline vs. post-intervention data.
3. Intervention efficacy testing: Implement social support interventions (e.g., group therapy, peer mentorship) and use control groups to analyze how increased connection correlates with NSSI reduction, controlling for trauma history or mood disorders.