{"slug":"aaron-he-zhu-send-experiment-designer","source_name":"aaron-he-zhu/send-experiment-designer","name":"Aaron He Zhu/Send Experiment Designer","description":"Use when the user asks to \"design an email A/B test\", \"set up a multivariate subject/CTA test\", \"run a send-time test\", \"build a hold-out group\", or \"is this email result statistically and practically material?\"; produces a falsifiable hypothesis, one-variable-per-cell matrix, sample-size/MDE/duration/power plan, and an effect/uncertainty read from own ESP data. Applies only a precommitted owner-approved action rule; the helper never chooses a business action. Not for EQS/vetoes or writing the e","version":1,"lift":{"pass_rate_delta_pts":40.91,"pass_rate_pct":100,"total_cases":22,"passed_cases":22,"tokens_delta_pct":155.3,"turns_delta_pct":0,"verdict":"pass","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-08-13T06:53:22.107517+00:00"},"skill_score":1,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":40.91,"with_pass_pct":100,"without_pass_pct":59.1,"tokens_delta_pct":155.3,"turns_delta_pct":0,"total_cases":22,"cases_aggregated":20,"verdict":"pass","never_hurt":true,"completed_at":"2026-08-13T06:53:22.107517+00:00","run_id":"3c6ce175-3e11-4434-94b1-5920b9f12cc5","version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"Apache-2.0","install_count":0,"manifest_hash":"8039df4f2f317b4837d916e1dd38bc927243687a52783b5852f50a112fd38ab5","raw_url":"https://app.decimal.ai/s/aaron-he-zhu-send-experiment-designer/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/aaron-he-zhu-send-experiment-designer"}