Khi nguoi dung can thiet lap A/B test cho ads, landing page, email, hoac product. Cung dung khi nguoi dung nhac 'A/B test', 'split test', 'test creative', 'test copy', 'test landing', 'test gia', 'kiem dinh thong ke', 'sample size'. Skill nay giup chon bien can test, tinh sample size, setup tracking, va phan tich ket qua thong ke (significance) — phu hop cho team khong phai data scientist.
SkillScore70Maintained
Automatic
◆Marketing & Content pack
Last verified 8/18/2026
What it changes
Passed 16 of 23 test cases with the skill, and 11 of 23 without it.
Without skill48%
With skill70%
Checks it passed that the model alone missed
Recommends allocating 30% of total budget to testing
Specifies a minimum test duration of at least 7 full days
Places Hook 0-3s as Round 1 followed by Format, Angle, and Length
and 4 more in the full report
5 fixed11 passed either way7 still failing0 broke
Pass-rate lift
+22 pp
Tokens
+164%
Agent turns
0%
Response time
+4%
Model gemini-3.6-flashMeasured 8/18/2026v316 of 23 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 5
Prompt
Công ty dành 100 triệu VNĐ/tháng cho ngân sách quảng cáo Meta. Theo quy chuẩn quản lý ngân sách testing, nên phân bổ bao nhiêu phần trăm ngân sách cho công tác A/B testing?
What was checked, without and with the skill
Checked
Without skill
With skill
Recommends allocating 30% of total budget to testing
Missed
Passed
case-10 · gemini-3.6-flash · 8/18/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md392 lines2 files
A/B Test Setup
Thu thap thong tin
Buoc 0: Kiem tra context
Doc .agents/product-marketing-context.md neu co.
Buoc 1: Hoi user
Test cai gi? (Headline ads / Landing page / Email subject / Gia / CTA button / Creative video)
Traffic hang ngay cua trang/ads? (De tinh sample size can thiet)
Muc tieu test? (Tang X% metric chinh / Tim ra version tot nhat)
7 Nguyen tac A/B test
1. Test 1 bien duy nhat
Quy tac cot loi. Neu test 2 bien cung luc → khong biet bien nao tac dong.
XAU: Doi headline + doi CTA + doi anh → khong ket luan duoc
TOT: Chi doi headline (A vs B), moi thu khac giu nguyen
Mot ngoai le duy nhat — test hook video. Hook va doan on-ramp 3-15s ngay sau no la mot cap khong tach roi: doi hook ma bung nguyen than video cu se lam dut mach va hold rate sup, khien ket qua vo nghia. Khi test hook, viet lai on-ramp cho khop tung hook va ghi bien test la "hook + on-ramp". Chi tiet: references/hook-formulas-vn.md.
2. Gia thuyet co the kiem dinh
Format: "Neu lam [X], metric [Y] se tang [Z%]"
TOT: "Neu doi CTA tu 'Dang ky' sang 'Nhan tu van mien phi', conv rate tang 15%"
XAU: "Copy moi tot hon" (khong cu the, khong do duoc)
3. Sample size du
Khong duoc dung test som.
Toi thieu: 100 conversion moi variant (khong phai 100 visitor)
Tot nhat: Tinh truoc (xem cong thuc ben duoi)
4. Thoi gian du
Test tung tuan tron (khong 3 ngay, khong 10 ngay) — khach mua hanh vi khac nhau cac ngay.