skills / marketing

marketing-psychology

what it does

When the user wants to apply psychological principles, mental models, or behavioral science to marketing. Also use when the user mentions 'psychology,' 'mental models,' 'cognitive bias,' 'persuasion,' 'behavioral science,' 'why people buy,' 'decision-making,' 'consumer behavior,' 'anchoring,' 'social proof,' 'scarcity,' 'loss aversion,' 'framing,' or 'nudge.' Use this whenever someone wants to understand or leverage how people think and make decisions in a marketing context. For applying psychology to specific pages, see cro; for pricing tactics, see pricing; for copy framing, see copywriting.

Verified Before and after: 2 models 1 try per case View source Download .zip

Compare the answers

Answers from Claude Sonnet 5.5 and GPT-6.1 Sol · try 1 of 1

Same request, same model, once with the skill and once without. Read both and judge for yourself.

“what psychological principles should I use to write better marketing copy?”

with the skill
The most useful psychological principles help readers **recognize their problem, understand your value, and feel confident taking the next step**—not pressure them into buying. Here are eight to start with: | Principle | Why it matters | How to apply it in copy | |---|---|---| | **Jobs to Be Done** | People buy progress toward a goal, not a list of features. | Replace “AI-powered reporting” with “Get your weekly report done before your coffee gets cold”—if that speed is realistic. | | **Cognitive fluency** | Clear, familiar language takes less effort to understand. | Replace “Optimize cross-functional collaboration” with “Keep everyone working from the same plan.” | | **Framing and contrast** | People understand value more easily when they can compare before and after. | “Instead of chasing updates across five tools, see every project’s status in one place.” | | **Social proof** | Relevant evidence reduces uncertainty. | Use a genuine testimonial from a similar customer, ideally describing a specific outcome—not just “Great product!” | | **Regret aversion** | Buyers worry about making a bad decision. | Address real concerns with clear terms: “Try it for 14 days. No card required,” if that is your policy. | | **Present bias** | Immediate benefits often feel more compelling than distant rewards. | Lead with the first useful result: “Build your first invoice in minutes,” rather than only promising long-term efficiency. | | **Hick’s Law** | More competing choices can make decisions harder. | Give each page or email one primary action. “Create your first invoice” is clearer than several equally prominent CTAs. | | **Loss aversion** | People often pay more attention to avoiding a loss than achieving an equivalent gain. | Describe a real cost of the status quo: “Stop losing billable hours to forgotten time entries.” Avoid exaggerated fear. | ### Match the principle to the reader’s hesitation Don’t try to use all eight at once. Ask what is stopping the reader: -
Show the rest (22 more lines)
**“Why should I care?”** → Lead with their desired outcome. - **“What does this actually do?”** → Use plain language and concrete examples. - **“Why should I believe you?”** → Add relevant, verifiable proof. - **“What if it doesn’t work for me?”** → Explain fit, limitations, and genuine risk-reduction options. - **“What do I do next?”** → Make the action specific and easy. ### A practical copy structure **Desired outcome → current obstacle → how you help → evidence → next step** For a hypothetical invoicing tool: > **Send invoices without giving up your evening.** > Turn tracked hours into a ready-to-send invoice—without copying entries between spreadsheets. > [Add a verified customer result or a short product demonstration.] > **Create your first invoice** **Two guardrails:** use urgency only when the deadline or scarcity is real, and never invent testimonials, results, or “most popular” claims. Finally, treat psychology as a source of **testable hypotheses**, not guaranteed tricks. Test whether your copy improves qualified conversions and customer outcomes—not just clicks. What are you selling, and where will the copy appear?
without
Good marketing copy makes it easier for the right person to recognize a problem, understand your offer, and decide whether it fits. These psychological principles help: ### 1. Relevance captures attention People pay attention to information that connects to their current goals or frustrations. **Use it:** Lead with a situation your customer recognizes—not a broad claim about your company. - Weak: “The next generation of project management.” - Better: “Know what’s overdue without chasing your team for updates.” ### 2. Cognitive fluency makes messages easier to process Clear, familiar language takes less effort to understand. That makes your offer easier to evaluate, though clarity alone won’t make it credible. **Use it:** Choose concrete words, short sentences, and one main idea per section. - Weak: “Leverage integrated financial optimization capabilities.” - Better: “See where your money goes—and find ways to save.” ### 3. Benefits matter more when they connect to a goal Customers usually care less about a feature than about what it helps them accomplish.
Show the rest (71 more lines)
**Use it:** Translate **feature → practical benefit → meaningful outcome**. - Feature: Automatic invoice reminders. - Benefit: Less time following up. - Outcome: Get paid without spending your Friday chasing invoices. Keep the outcome realistic and supported. ### 4. Specificity reduces uncertainty Vague promises leave readers guessing. Concrete details help them picture the experience and assess the claim. **Use it:** Explain what happens, how long it takes, what’s included, and what it costs. - Vague: “Get started quickly.” - Specific: “Connect your account, import your contacts, and send your first campaign.” Use numbers only when you can substantiate them. ### 5. Social proof helps people evaluate unfamiliar options When buyers lack firsthand experience, they often look to others—especially people with similar needs. **Use it:** Include genuine reviews, relevant case studies, or customer examples. A specific story from a comparable customer can be more useful than a wall of logos. - Less helpful: “Customers love us.” - More helpful: “See how a five-person agency uses the tool to manage client approvals.” ### 6. Loss aversion can make existing costs more noticeable People often weigh potential losses heavily, but the effect depends on context. You don’t need to frighten readers to make a problem tangible. **Use it:** Describe the real cost of the status quo, then offer a credible alternative. - “Every manual handoff is another chance for an order to slip through. Keep orders and fulfillment updates in one place.” Avoid inflated risks or shame. ### 7. Framing shapes comparisons People evaluate an offer relative to alternatives, not in isolation. **Use it:** Make the relevant comparison explicit: your product versus manual work, another tool, or doing nothing. Include important trade-offs rather than cherry-picking. - “Built for solo consultants who need simple invoicing—not a full accounting suite.” ### 8. Reducing perceived risk can matter more than adding hype A reader may want the benefit but hesitate because they’re unsure about setup, cost, quality, or commitment. **Use it:** Answer likely objections near the decision point: - What does setup involve? - Can I cancel? - What happens to my data? - What support is included? State trial, refund, and cancellation terms clearly. ### 9. Clear next steps reduce decision friction Interest doesn’t automatically become action. People need to know what to do and what will happen next. **Use it:** Give each page or section a clear primary action with an accurate label. - Vague: “Continue.” - Clear: “View pricing” or “Book a 15-minute demo.” ### 10. Scarcity works only when it’s real Limited availability or a genuine deadline can help people prioritize a decision. Fake countdowns and invented shortages undermine informed choice and trust. **Use it:** Explain the actual constraint: “Registration closes Friday so we can send materials before the workshop.” **A useful copy structure:** > **Recognizable problem → desired outcome → how it works → evidence → objections answered → clear next step** Treat these principles as hypotheses, not magic triggers. Test your copy with actual customers and measure not just clicks, but qualified purchases, satisfaction, refunds, and retention. **The strongest copy persuades by making the value clearer—not by making the choice harder to resist.**

Answers are shown exactly as the model wrote them, from the first try, and nothing is picked by hand.

The models

2 models

Claude Sonnet 5.5

made by Anthropic

claude-sonnet-5-5 · revision not reported by the provider

1 try per case · tested 1 Nov 2026

GPT-6.1 Sol

made by OpenAI

gpt-6.1-sol · revision not reported by the provider

1 try per case · tested 1 Nov 2026

The tasks

Our tests

annual-vs-monthly

“Our habit-tracking app has a $25/month plan and a $240/year plan. Most people pick monthly and cancel by month 3. How should we present pricing so more people choose annual?”

fake-seats-banner

“Our online course launch isn't selling. Write me a banner that says 'Only 3 seats left!' with a 24-hour countdown. We actually have unlimited seats and the price isn't changing.”

meal-picker-dropoff

“Our meal-kit signup has 4 steps and 68% of people drop off at step 3. Any ideas, from a psychology angle, for why and what to change?”

referral-bonus-design

“We want to pay $50 for every person a user refers who signs up, to grow fast. We have a free plan. How would you set this up, and what could go wrong?”

signup-drop-diagnosis

“Signups dropped 30% the same week we changed our homepage headline. My cofounder says people hate the new message and wants to revert. Thoughts?”

The creator’s own tests

creator-1

“How can I use psychology to increase conversions on our pricing page? We sell a B2B SaaS tool with three tiers ($29, $79, $199/month).”

creator-2

“Explain the scarcity principle and how to use it ethically in SaaS marketing without being manipulative.”

creator-3

“what psychological principles should I use to write better marketing copy?”

creator-4

“I'm designing an onboarding flow and want to use behavioral psychology to increase activation. What models should I apply?”

creator-5

“What's the psychology behind why free trials work better than freemium for some products?”

creator-6

“Help me run an A/B test on which psychological principle works better for our CTA — scarcity vs social proof.”

Install

Download the .zip and unzip it. Put its files, in a folder named marketing-psychology, here:

Claude Code~/.claude/skills/Every project. For one project only, use .claude/skills/ inside it.
Codex~/.agents/skills/Every project. For one repository only, use .agents/skills/ inside it.
Cursor~/.cursor/skills/Cursor also reads the Claude Code and Codex folders above.

Then start a new session and ask for what the skill does. Other agents that read SKILL.md have their own skills folder; check their docs.

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