16 Marketing Psychology Agent Skill

Marketing Psychology

Thu thap thong tin

Buoc 0: Kiem tra context

Doc .agents/product-marketing-context.md neu co.

Buoc 1: Hoi user (toi da 3 cau)

• Ap dung vao dau? (Copy ads / Landing page / Email / Video / Social post)
• Muc tieu? (Tang chuyen doi / Giam do do du / Tao khan cap / Xay trust)
• Tep khach hang gi? (Cold / Warm / Hot — tep nong can trigger khac tep lanh)

7 nguyen tac tam ly (Cialdini + VN context)

1. Reciprocity (Co di co lai)

Nguyen tac: Nguoi ta cam thay nghia vu tra on khi nhan duoc gia tri truoc.

Ap dung VN:

• Tang free guide, checklist, template truoc khi ban
• Tu van mien phi 15 phut
• Sample mien phi (beauty), dan thu (F&B), demo (SaaS)
• "Tang" qua sinh nhat, ngay 20/10, 8/3

Cau trigger: "Tang ban ... — khong can mua"

Ket qua do duoc: Tang lead 2-3x so voi direct sell.

2. Commitment & Consistency (Cam ket + Nhat quan)

Nguyen tac: Khi da cam ket nho, nguoi ta xu huong tiep tuc cam ket lon hon.

Ap dung VN:

• Micro-yes: Hoi nhung cau khach phai tra loi "co" truoc khi chao ban
• Quiz tuong tac truoc CTA (vd: "Ban thuoc loai da nao?")
• Free trial → paid (neu da dung 7 ngay, kha nang tiep tuc cao)
• Save product → add to cart → checkout (tung buoc nho)

Cau trigger: "Ban muon ... dung khong?" (khach tra loi co roi moi chao ban)

3. Social Proof (Bang chung xa hoi)

Nguyen tac: Nguoi ta tin hanh dong dam dong hon quang cao.

Ap dung VN (cuc quan trong o VN):

• Con so cu the: "1,247 khach da trai nghiem" > "Nhieu khach da dung"
• Review co ten thuc + anh thuc: khong dung stock photo, khong ten gia
• UGC/KOC: Video that cua khach > quang cao brand
• Livestream "so nguoi xem": VN rat quan tam so viewer
• Google Reviews, Shopee reviews 4.8+: hien thi ro trang
• "Dang co X nguoi xem san pham nay" — tao cam giac dam dong

Cau trigger: "[Con so] khach da ..." / "[Ten nguoi] noi: ..."

4. Authority (Uy tin)

Nguyen tac: Nguoi ta tin chuyen gia co uy tin.

Ap dung VN:

• Chung chi, bang cap: "Bac si da lieu 15 nam kinh nghiem"
• Xuat hien tren bao chi: VnExpress, Tuoi Tre, Thanh Nien
• Dau tu / quy lon: "Duoc dau tu boi [quy]"
• Hop tac doi tac lon: "Doi tac chinh thuc cua [thuong hieu]"
• Thong ke + research: "Nghien cuu cua [vien] cho thay..."

Cau trigger: "[Ten chuyen gia] - [chung chi/kinh nghiem]"

5. Liking (Thien cam)

Nguyen tac: Nguoi ta mua tu nguoi ho thich.

Ap dung VN:

• Founder story: Chia se hanh trinh, that lua, khong bong bay
• Behind-the-scenes: Nhan vien, quy trinh, ngay lam viec
• Tuong dong van hoa: Dung tu ngu vung mien, meme VN
• Personal brand cua founder: Van mang lai trust hon brand vo danh
• Community: Facebook Group, Zalo Community — nguoi nhu minh dang dung

Cau trigger: "Chi [ten] — founder - chia se: ..."

6. Scarcity (Khan hiem)

Nguyen tac: Cai gi khan hiem duoc cho la co gia tri hon.

Ap dung VN (can that, khong gia):

• Limited quantity: "Chi con 5 slot tuan nay"
• Limited time: "Uu dai het 23h59 dem nay"
• Exclusive: "Chi danh cho [thanh vien/khach cu/khach VIP]"
• Countdown timer: Tren landing page, popup exit intent
• Flash sale: "Trong 2h toi"

Luu ý: Khach VN da rat quen scarcity fake → chi dung khi that su khan hiem. Neu fake bi phat hien = mat trust manh.

Cau trigger: "Chi con [so cu the] — [deadline cu the]"

7. Unity (Cung phe, cung nhom)

Nguyen tac: Nguoi ta mua tu brand/nhom ho thuoc ve.

Ap dung VN:

• Dat ten cong dong: "Gia dinh [Brand]", "OPA-er", "Team [Brand]"
• Su dung "chung minh, chung ta" — khong phai "ban va chung toi"
• Event noi bo cho khach cu: offline gathering, webinar VIP
• Dan nhan: "Danh cho nhung ai..." "Neu ban la..."
• Brand manifesto: Tuyen ngon gia tri nho nguoi cung gia tri

Cau trigger: "Neu ban la [nhan dang] — bai nay danh cho ban"

Bang ap dung theo tep khach hang

| Tep | Ap dung uu tien | Tranh |

|-----|----------------|-------|

| Cold (TOFU) | Reciprocity (tang gia tri), Social proof (con so), Liking (story) | Scarcity (som qua), Authority gia |

| Warm (MOFU) | Authority (chuyen mon), Social proof (review cu the), Commitment (micro-yes) | Scarcity (chua du tin de hieu la that) |

| Hot (BOFU) | Scarcity (deadline that), Commitment (tiep tuc yes), Unity (nhom VIP) | Too much reciprocity (chan cong ty moi) |

Ap dung vao thuc te

Landing page

[Hero] Authority: "[Ten chuyen gia] - [uy tin]" + Unity: "Danh cho [nhan dang]"
[Problem] Liking: "Chung minh hieu ban dang ..."
[Solution] Reciprocity: Tang checklist/demo free
[Proof] Social Proof: So khach + review + logo bao chi
[Price] Scarcity: "Chi [X] slot con lai tuan nay" (neu that)
[CTA] Commitment: "Ban sap trai nghiem ..." (tien luong)

Email subject line

Curiosity (to mo):       "Tai sao 94% khach spa khong quay lai lan 2?"
Authority (uy tin):      "[Bac si da lieu]: 3 sai lam khi trj mun"
Scarcity (khan cap):     "24h cuoi — uu dai [con so] khach dau"
Social proof (dam dong): "1,200 chi da chuyen sang ... — co ban chua?"
Personal (ca nhan):      "[Ten khach], minh co gi do cho ban"

Ad copy (Facebook)

[Social proof]:  "1,247 khach spa tin dung — ban thu chua?"
[Scarcity]:      "Chi 30 slot tuan nay — giam 30% facial premium"
[Authority]:     "Bac si da lieu 15 nam - Chia se quy trinh tri mun khong de seo"
[Liking]:        "Chao, minh la [Ten founder]. Minh tao spa nay vi ..."

Quy tac vang

• Khong lam dung. Dung 1-2 nguyen tac trong 1 content — khong quang cao 7 thu cung luc.
• Khong gia. Scarcity gia, review gia, authority gia bi phat hien = chet brand.
• Phu hop van hoa. Authority o VN khac My — dung bac si/chuyen gia co bang cap that.
• Phu hop tep. Cold audience can Liking truoc; Hot audience can Scarcity.
• Test va do. Ap dung xong phai A/B test — khong phai ly thuyet dung la hieu qua.

Checklist chat luong

• [ ] Chon dung 1-2 nguyen tac (khong nhieu hon)
• [ ] Phu hop tep khach hang (cold/warm/hot)
• [ ] Khong co yeu to gia (scarcity, review, authority)
• [ ] Dung ngon ngu khach hang noi (tu product-marketing-context)
• [ ] Co A/B test plan de do hieu qua
• [ ] Phu hop van hoa VN (khong copy nguyen xi tu nguoi nuoc ngoai)