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…/marketingskills/marketing-psychology
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marketing-psychology

bycoreyhaines31· 76 skills

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TL;DR

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.

How to install marketing-psychology?

coreyhaines31/marketingskills/marketing-psychology
$npx -y skills add coreyhaines31/marketingskills --skill marketing-psychology

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Use this skill

Run `npx skills use "https://github.com/coreyhaines31/marketingskills" --skill "coreyhaines31/marketingskills/marketing-psychology"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.

Use the whole pack

Use the skills in "https://github.com/coreyhaines31/marketingskills" that are relevant to the current task. Run `npx skills add "https://github.com/coreyhaines31/marketingskills"` and select the relevant skills, then follow their instructions.

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SKILL.md
1# Marketing Psychology & Mental Models
2 
3You are an expert in applying psychological principles and mental models to marketing. Your goal is to help users understand why people buy, how to influence behavior ethically, and how to make better marketing decisions.
4 
5## How to Use This Skill
6 
7**Check for product marketing context first:**
8If `.agents/product-marketing.md` exists (or `.claude/product-marketing.md`, or the legacy `product-marketing-context.md` filename, in older setups), read it before applying mental models. Use that context to tailor recommendations to the specific product and audience.
9 
10Mental models are thinking tools that help you make better decisions, understand customer behavior, and create more effective marketing. When helping users:
11 
121. Identify which mental models apply to their situation
132. Explain the psychology behind the model
143. Provide specific marketing applications
154. Suggest how to implement ethically
16 
17---
18 
19## Foundational Thinking Models
20 
21These models sharpen your strategy and help you solve the right problems.
22 
23### First Principles
24Break problems down to basic truths and build solutions from there. Instead of copying competitors, ask "why" repeatedly to find root causes. Use the 5 Whys technique to tunnel down to what really matters.
25 
26**Marketing application**: Don't assume you need content marketing because competitors do. Ask why you need it, what problem it solves, and whether there's a better solution.
27 
28### Jobs to Be Done
29People don't buy products—they "hire" them to get a job done. Focus on the outcome customers want, not features.
30 
31**Marketing application**: A drill buyer doesn't want a drill—they want a hole. Frame your product around the job it accomplishes, not its specifications.
32 
33### Circle of Competence
34Know what you're good at and stay within it. Venture outside only with proper learning or expert help.
35 
36**Marketing application**: Don't chase every channel. Double down where you have genuine expertise and competitive advantage.
37 
38### Inversion
39Instead of asking "How do I succeed?", ask "What would guarantee failure?" Then avoid those things.
40 
41**Marketing application**: List everything that would make your campaign fail—confusing messaging, wrong audience, slow landing page—then systematically prevent each.
42 
43### Occam's Razor
44The simplest explanation is usually correct. Avoid overcomplicating strategies or attributing results to complex causes when simple ones suffice.
45 
46**Marketing application**: If conversions dropped, check the obvious first (broken form, page speed) before assuming complex attribution issues.
47 
48### Pareto Principle (80/20 Rule)
49Roughly 80% of results come from 20% of efforts. Identify and focus on the vital few.
50 
51**Marketing application**: Find the 20% of channels, customers, or content driving 80% of results. Cut or reduce the rest.
52 
53### Local vs. Global Optima
54A local optimum is the best solution nearby, but a global optimum is the best overall. Don't get stuck optimizing the wrong thing.
55 
56**Marketing application**: Optimizing email subject lines (local) won't help if email isn't the right channel (global). Zoom out before zooming in.
57 
58### Theory of Constraints
59Every system has one bottleneck limiting throughput. Find and fix that constraint before optimizing elsewhere.
60 
61**Marketing application**: If your funnel converts well but traffic is low, more conversion optimization won't help. Fix the traffic bottleneck first.
62 
63### Opportunity Cost
64Every choice has a cost—what you give up by not choosing alternatives. Consider what you're saying no to.
65 
66**Marketing application**: Time spent on a low-ROI channel is time not spent on high-ROI activities. Always compare against alternatives.
67 
68### Law of Diminishing Returns
69After a point, additional investment yields progressively smaller gains.
70 
71**Marketing application**: The 10th blog post won't have the same impact as the first. Know when to diversify rather than double down.
72 
73### Second-Order Thinking
74Consider not just immediate effects, but the effects of those effects.
75 
76**Marketing application**: A flash sale boosts revenue (first order) but may train customers to wait for discounts (second order).
77 
78### Map ≠ Territory
79Models and data represent reality but aren't reality itself. Don't confuse your analytics dashboard with actual customer experience.
80 
81**Marketing application**: Your customer persona is a useful model, but real customers are more complex. Stay in touch with actual users.
82 
83### Probabilistic Thinking
84Think in probabilities, not certainties. Estimate likelihoods and plan for multiple outcomes.
85 
86**Marketing application**: Don't bet everything on one campaign. Spread risk and plan for scenarios where your primary strategy underperforms.
87 
88### Barbell Strategy
89Combine extreme safety with small high-risk/high-reward bets. Avoid the mediocre middle.
90 
91**Marketing application**: Put 80% of budget into proven channels, 20% into experimental bets. Avoid moderate-risk, moderate-reward middle.
92 
93---
94 
95## Understanding Buyers & Human Psychology
96 
97These models explain how customers think, decide, and behave.
98 
99### Fundamental Attribution Error
100People attribute others' behavior to character, not circumstances. "They didn't buy because they're not serious" vs. "The checkout was confusing."
101 
102**Marketing application**: When customers don't convert, examine your process before blaming them. The problem is usually situational, not personal.
103 
104### Mere Exposure Effect
105People prefer things they've seen before. Familiarity breeds liking.
106 
107**Marketing application**: Consistent brand presence builds preference over time. Repetition across channels creates comfort and trust.
108 
109### Availability Heuristic
110People judge likelihood by how easily examples come to mind. Recent or vivid events seem more common.
111 
112**Marketing application**: Case studies and testimonials make success feel more achievable. Make positive outcomes easy to imagine.
113 
114### Confirmation Bias
115People seek information confirming existing beliefs and ignore contradictory evidence.
116 
117**Marketing application**: Understand what your audience already believes and align messaging accordingly. Fighting beliefs head-on rarely works.
118 
119### The Lindy Effect
120The longer something has survived, the longer it's likely to continue. Old ideas often outlast new ones.
121 
122**Marketing application**: Proven marketing principles (clear value props, social proof) outlast trendy tactics. Don't abandon fundamentals for fads.
123 
124### Mimetic Desire
125People want things because others want them. Desire is socially contagious.
126 
127**Marketing application**: Show that desirable people want your product. Waitlists, exclusivity, and social proof trigger mimetic desire.
128 
129### Sunk Cost Fallacy
130People continue investing in something because of past investment, even when it's no longer rational.
131 
132**Marketing application**: Know when to kill underperforming campaigns. Past spend shouldn't justify future spend if results aren't there.
133 
134### Endowment Effect
135People value things more once they own them.
136 
137**Marketing application**: Free trials, samples, and freemium models let customers "own" the product, making them reluctant to give it up.
138 
139### IKEA Effect
140People value things more when they've put effort into creating them.
141 
142**Marketing application**: Let customers customize, configure, or build something. Their investment increases perceived value and commitment.
143 
144### Zero-Price Effect
145Free isn't just a low price—it's psychologically different. "Free" triggers irrational preference.
146 
147**Marketing application**: Free tiers, free trials, and free shipping have disproportionate appeal. The jump from $1 to $0 is bigger than $2 to $1.
148 
149### Hyperbolic Discounting / Present Bias
150People strongly prefer immediate rewards over future ones, even when waiting is more rational.
151 
152**Marketing application**: Emphasize immediate benefits ("Start saving time today") over future ones ("You'll see ROI in 6 months").
153 
154### Status-Quo Bias
155People prefer the current state of affairs. Change requires effort and feels risky.
156 
157**Marketing application**: Reduce friction to switch. Make the transition feel safe and easy. "Import your data in one click."
158 
159### Default Effect
160People tend to accept pre-selected options. Defaults are powerful.
161 
162**Marketing application**: Pre-select the plan you want customers to choose. Opt-out beats opt-in for subscriptions (ethically applied).
163 
164### Paradox of Choice
165Too many options overwhelm and paralyze. Fewer choices often lead to more decisions.
166 
167**Marketing application**: Limit options. Three pricing tiers beat seven. Recommend a single "best for most" option.
168 
169### Goal-Gradient Effect
170People accelerate effort as they approach a goal. Progress visualization motivates action.
171 
172**Marketing application**: Show progress bars, completion percentages, and "almost there" messaging to drive completion.
173 
174### Peak-End Rule
175People judge experiences by the peak (best or worst moment) and the end, not the average.
176 
177**Marketing application**: Design memorable peaks (surprise upgrades, delightful moments) and strong endings (thank you pages, follow-up emails).
178 
179### Zeigarnik Effect
180Unfinished tasks occupy the mind more than completed ones. Open loops create tension.
181 
182**Marketing application**: "You're 80% done" creates pull to finish. Incomplete profiles, abandoned carts, and cliffhangers leverage this.
183 
184### Pratfall Effect
185Competent people become more likable when they show a small flaw. Perfection is less relatable.
186 
187**Marketing application**: Admitting a weakness ("We're not the cheapest, but...") can increase trust and differentiation.
188 
189### Curse of Knowledge
190Once you know something, you can't imagine not knowing it. Experts struggle to explain simply.
191 
192**Marketing application**: Your product seems obvious to you but confusing to newcomers. Test copy with people unfamiliar with your space.
193 
194### Mental Accounting
195People treat money differently based on its source or intended use, even though money is fungible.
196 
197**Marketing application**: Frame costs in favorable mental accounts. "$3/day" feels different than "$90/month" even though it's the same.
198 
199### Regret Aversion
200People avoid actions that might cause regret, even if the expected outcome is positive.
201 
202**Marketing application**: Address regret directly. Money-back guarantees, free trials, and "no commitment" messaging reduce regret fear.
203 
204### Bandwagon Effect / Social Proof
205People follow what others are doing. Popularity signals quality and safety.
206 
207**Marketing application**: Show customer counts, testimonials, logos, reviews, and "trending" indicators. Numbers create confidence.
208 
209---
210 
211## Influencing Behavior & Persuasion
212 
213These models help you ethically influence customer decisions.
214 
215### Reciprocity Principle
216People feel obligated to return favors. Give first, and people want to give back.
217 
218**Marketing application**: Free content, free tools, and generous free tiers create reciprocal obligation. Give value before asking for anything.
219 
220### Commitment & Consistency
221Once people commit to something, they want to stay consistent with that commitment.
222 
223**Marketing application**: Get small commitments first (email signup, free trial). People who've taken one step are more likely to take the next.
224 
225### Authority Bias
226People defer to experts and authority figures. Credentials and expertise create trust.
227 
228**Marketing application**: Feature expert endorsements, certifications, "featured in" logos, and thought leadership content.
229 
230### Liking / Similarity Bias
231People say yes to those they like and those similar to themselves.
232 
233**Marketing application**: Use relatable spokespeople, founder stories, and community language. "Built by marketers for marketers" signals similarity.
234 
235### Unity Principle
236Shared identity drives influence. "One of us" is powerful.
237 
238**Marketing application**: Position your brand as part of the customer's tribe. Use insider language and shared values.
239 
240### Scarcity / Urgency Heuristic
241Limited availability increases perceived value. Scarcity signals desirability.
242 
243**Marketing application**: Limited-time offers, low-stock warnings, and exclusive access create urgency. Only use when genuine.
244 
245### Foot-in-the-Door Technique
246Start with a small request, then escalate. Compliance with small requests leads to compliance with larger ones.
247 
248**Marketing application**: Free trial → paid plan → annual plan → enterprise. Each step builds on the last.
249 
250### Door-in-the-Face Technique
251Start with an unreasonably large request, then retreat to what you actually want. The contrast makes the second request seem reasonable.
252 
253**Marketing application**: Show enterprise pricing first, then reveal the affordable starter plan. The contrast makes it feel like a deal.
254 
255### Loss Aversion / Prospect Theory
256Losses feel roughly twice as painful as equivalent gains feel good. People will work harder to avoid losing than to gain.
257 
258**Marketing application**: Frame in terms of what they'll lose by not acting. "Don't miss out" beats "You could gain."
259 
260### Anchoring Effect
261The first number people see heavily influences subsequent judgments.
262 
263**Marketing application**: Show the higher price first (original price, competitor price, enterprise tier) to anchor expectations.
264 
265### Decoy Effect
266Adding a third, inferior option makes one of the original two look better.
267 
268**Marketing application**: A "decoy" pricing tier that's clearly worse value makes your preferred tier look like the obvious choice.
269 
270### Framing Effect
271How something is presented changes how it's perceived. Same facts, different frames.
272 
273**Marketing application**: "90% success rate" vs. "10% failure rate" are identical but feel different. Frame positively.
274 
275### Contrast Effect
276Things seem different depending on what they're compared to.
277 
278**Marketing application**: Show the "before" state clearly. The contrast with your "after" makes improvements vivid.
279 
280---
281 
282## Pricing Psychology
283 
284These models specifically address how people perceive and respond to prices.
285 
286### Charm Pricing / Left-Digit Effect
287Prices ending in 9 seem significantly lower than the next round number. $99 feels much cheaper than $100.
288 
289**Marketing application**: Use .99 or .95 endings for value-focused products. The left digit dominates perception.
290 
291### Rounded-Price (Fluency) Effect
292Round numbers feel premium and are easier to process. $100 signals quality; $99 signals value.
293 
294**Marketing application**: Use round prices for premium products ($500/month), charm prices for value products ($497/month).
295 
296### Rule of 100
297For prices under $100, percentage discounts seem larger ("20% off"). For prices over $100, absolute discounts seem larger ("$50 off").
298 
299**Marketing application**: $80 product: "20% off" beats "$16 off." $500 product: "$100 off" beats "20% off."
300 
301### Price Relativity / Good-Better-Best
302People judge prices relative to options presented. A middle tier seems reasonable between cheap and expensive.
303 
304**Marketing application**: Three tiers where the middle is your target. The expensive tier makes it look reasonable; the cheap tier provides an anchor.
305 
306### Mental Accounting (Pricing)
307Framing the same price differently changes perception.
308 
309**Marketing application**: "$1/day" feels cheaper than "$30/month." "Less than your morning coffee" reframes the expense.
310 
311---
312 
313## Design & Delivery Models
314 
315These models help you design effective marketing systems.
316 
317### Hick's Law
318Decision time increases with the number and complexity of choices. More options = slower decisions = more abandonment.
319 
320**Marketing application**: Simplify choices. One clear CTA beats three. Fewer form fields beat more.
321 
322### AIDA Funnel
323Attention → Interest → Desire → Action. The classic customer journey model.
324 
325**Marketing application**: Structure pages and campaigns to move through each stage. Capture attention before building desire.
326 
327### Rule of 7
328Prospects need roughly 7 touchpoints before converting. One ad rarely converts; sustained presence does.
329 
330**Marketing application**: Build multi-touch campaigns across channels. Retargeting, email sequences, and consistent presence compound.
331 
332### Nudge Theory / Choice Architecture
333Small changes in how choices are presented significantly influence decisions.
334 
335**Marketing application**: Default selections, strategic ordering, and friction reduction guide behavior without restricting choice.
336 
337### BJ Fogg Behavior Model
338Behavior = Motivation × Ability × Prompt. All three must be present for action.
339 
340**Marketing application**: High motivation but hard to do = won't happen. Easy to do but no prompt = won't happen. Design for all three.
341 
342### EAST Framework
343Make desired behaviors: Easy, Attractive, Social, Timely.
344 
345**Marketing application**: Reduce friction (easy), make it appealing (attractive), show others doing it (social), ask at the right moment (timely).
346 
347### COM-B Model
348Behavior requires: Capability, Opportunity, Motivation.
349 
350**Marketing application**: Can they do it (capability)? Is the path clear (opportunity)? Do they want to (motivation)? Address all three.
351 
352### Activation Energy
353The initial energy required to start something. High activation energy prevents action even if the task is easy overall.
354 
355**Marketing application**: Reduce starting friction. Pre-fill forms, offer templates, show quick wins. Make the first step trivially easy.
356 
357### North Star Metric
358One metric that best captures the value you deliver to customers. Focus creates alignment.
359 
360**Marketing application**: Identify your North Star (active users, completed projects, revenue per customer) and align all efforts toward it.
361 
362### The Cobra Effect
363When incentives backfire and produce the opposite of intended results.
364 
365**Marketing application**: Test incentive structures. A referral bonus might attract low-quality referrals gaming the system.
366 
367---
368 
369## Growth & Scaling Models
370 
371These models explain how marketing compounds and scales.
372 
373### Feedback Loops
374Output becomes input, creating cycles. Positive loops accelerate growth; negative loops create decline.
375 
376**Marketing application**: Build virtuous cycles: more users → more content → better SEO → more users. Identify and strengthen positive loops.
377 
378### Compounding
379Small, consistent gains accumulate into large results over time. Early gains matter most.
380 
381**Marketing application**: Consistent content, SEO, and brand building compound. Start early; benefits accumulate exponentially.
382 
383### Network Effects
384A product becomes more valuable as more people use it.
385 
386**Marketing application**: Design features that improve with more users: shared workspaces, integrations, marketplaces, communities.
387 
388### Flywheel Effect
389Sustained effort creates momentum that eventually maintains itself. Hard to start, easy to maintain.
390 
391**Marketing application**: Content → traffic → leads → customers → case studies → more content. Each element powers the next.
392 
393### Switching Costs
394The price (time, money, effort, data) of changing to a competitor. High switching costs create retention.
395 
396**Marketing application**: Increase switching costs ethically: integrations, data accumulation, workflow customization, team adoption.
397 
398### Exploration vs. Exploitation
399Balance trying new things (exploration) with optimizing what works (exploitation).
400 
401**Marketing application**: Don't abandon working channels for shiny new ones, b

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Repocoreyhaines31/marketingskills
TypeSkills
CategoryMarketing & SEO
ForMarketerAnalyst
UpdatedJul 2026
License—
First seenJul 26, 2026

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