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Mean daily distinct uses of the EMMA app plotted as a function of weeks (x-axis) for participants in the partnered (solid) and EMMA-only (dotted) conditions (error bars represent standard error). Training = weeks 1–4; post-training: month 1 = weeks 5–8 (prompts on); month 2 = 9–12 (prompts off); month 3 = 13–16 (prompts on).
