Retention · Planning + templates
A/B Vein Testing Plan
A/B Vein Testing Plan prioritizes what to test and what to ignore. We calculate minimum detectable effect sizes for your list volumes so you do not call winners too early.
Duration: 2 weeks
Price: ₩800,000 (informational)
Journey: Retention · Behavioral
Segment: VIP · Goal: Expansion
Request informationWhat is included
- Test backlog ranked by expected impact
- Sample-size calculator with your baseline rates
- Subject-line variant pools per journey stage
- Send-time test windows for KR audiences
- CTA placement wireframes for mobile
- Results readout template for stakeholders
- Anti-patterns list from past client tests
Outcomes
- Quarterly test calendar with owners
- Three ready-to-launch tests with hypotheses
- Readout deck template in slides format
Jun Han
Retention lead
Data analyst who models win-back cohorts and measures incremental lift.
Common questions
We design and document; execution stays with your team unless you add a managed send retainer.
Client notes
A/B Vein Testing Plan stopped us from declaring winners on 200 opens. The sample-size sheet is pinned above my desk.