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Table 1 Units of analysis

From: A hybrid effectiveness-implementation cluster randomized trial of group CBT for anxiety in urban schools: rationale, design, and methods

Aim 1—effectiveness (A vs. B) Aim 2—implementation (B vs. C) Aim 3—mediators and moderators
• 120 children per treatment protocol, FRIENDS, CATS (240 total) • 30 therapists per implementation strategy (60 total)
• 120 children per implementation strategy (240 total)
• 30 therapists per implementation strategy (90 total)