Briefle words · Prompt craft
A/B testing
Sending two versions to different groups and keeping the one that performs better.
Say it to an AI
Give me 3 subject lines for our spring sale email (20% off all class passes this weekend), each taking a different angle: urgency, curiosity, plain benefit. Keep each under 40 characters and label the angle.
How an expert would brief the stronger version of “Newsletter subject line”.
See it
Try it as a puzzle →A yoga studio owner asks an AI for the subject line of her class-pass sale email to 3,000 subscribers.
Why: B says 'I'll A/B test two of them', so the AI makes the options genuinely different and even suggests which pair to test.
Related words
Room 3 · Output format
Learn “A/B testing” in a five-minute lesson