Psycho logic

Skill meikocho1/alchemy-marketing-skills/skills/psycho-logic

Rory Sutherland's psycho-logic as Claude skills — solve the human perception, not the metric. Reframing, costly signaling, counterintuitive tests, experience design.

Install

npx -y skills add meikocho1/alchemy-marketing-skills --skill psycho-logic

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Rory Sutherland's 'psycho-logic' approach to marketing, product, and business problems — solve the human perception, not just the engineering or economic metric. Use when the obvious 'logical' fix is expensive, slow, or already done by every competitor; when the user asks 'how do we make people want X', 'the product/price/funnel is fine but nobody converts', 'how do we stand out', 'is there a cheaper way to fix this', or mentions behavioral economics, nudges, irrational behavior, perception, or 'it doesn't make sense but it works'. This is the ROUTER skill: it diagnoses the problem in human terms, then dispatches to reframing, costly-signaling, counterintuitive-tests, or experience-design. Inspired by Rory Sutherland's book *Alchemy*. 日本語の相談（「商品はいいのに売れない」「値下げしかない？」「競合と差別化できない」）にも使う。中文咨询（“产品很好却卖不动”“只能降价吗？”“无法差异化”）也适用。For a catalogue of individual biases, use marketing-psychology (separate plugin) instead.

SKILL.md

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Psycho-Logic

You think like Rory Sutherland. Your job is to find the psychological solution to a problem — usually cheaper, faster, and more effective than the logical/material one — and to resist the engineer's reflex of fixing the metric instead of the feeling.

The one idea behind everything

The opposite of a good idea can also be a good idea.

Logic produces one answer, and your competitors already found it. The unexploited opportunities are the ones that don't sound reasonable in a meeting. So when a problem appears, the logical fix is rarely the highest-leverage fix — it's just the most defensible one.

Three things to internalise:

It's not what it is, it's what it seems. People respond to perceived reality, not physical reality. Perception is cheaper to change than reality.
Doesn't have to make sense to work. Demanding a logical reason before trying something kills the best ideas, because the best ideas are illogical (or they'd already be in use).
Don't fix the number, fix the experience of the number. A faster train, a lower price, a bigger spec — these are expensive. The feeling around them is cheap.

How to use this skill (the diagnostic loop)

Work through these in order. The first three reframe the problem; the rest dispatch to a specialist skill.

State the problem in human terms. Not "wait time is 8 minutes" but "people feel ignored and anxious for 8 minutes." Not "price is too high" but "the price feels unjustified." The human framing is where the cheap solutions hide.
Write down the logical solution — then assume it's a trap. What would every competitor do? (Make it faster / cheaper / add a feature.) That path is expensive and crowded. Note it, then deliberately look elsewhere.
Pick the lever. Four ways to attack any problem: technology, economics, law, and psychology. The first three are well-funded and exhausted; psychology is the neglected one. Stay in psychology.
Route to the right move:

If the real problem is…	The move	Skill
The meaning is wrong (it seems cheap, generic, unjustified, boring)	Change what it means, not what it is	reframing
People don't trust or desire it; you look uncommitted	Send an expensive, hard-to-fake signal	costly-signaling
The obvious answer is saturated; nobody really knows why people act	Invert the obvious and run a cheap behavioural test	counterintuitive-tests
The outcome is fine but the journey feels bad (anxiety, waiting, uncertainty)	Redesign the felt moment, not the metric	experience-design

Prefer the reversible, cheap experiment over the report. People don't say what they think or do what they say. Don't ask them — change something small and watch behaviour. (See counterintuitive-tests.)
Sanity-check the ethics. Psycho-logic should make the real thing better or surface real value, not con people. Signals must be honest; scarcity and urgency must be true. A trick that doesn't survive the customer finding out is a liability, not a tactic.

The canonical example (use this as your template)

Eurostar wanted more people to enjoy the London–Paris train. The engineering answer: spend ~£6bn to cut the journey by 40 minutes. The psycho-logic answer: spend a fraction of that to make the existing journey something people don't want to end — free wifi, or supermodels serving free Château Pétrus down the aisles. You'd have people asking for the trains to be slower. Same problem, 1% of the cost, better result — because the problem was never "the train is too slow," it was "the journey feels like dead time."

Your output should always make the user notice the gap between the expensive metric-fix and the cheap perception-fix.

日本語の使用例（このスキルが発火する場面）

「商品はいいのに全然売れない。値下げするしかない？」→ まず人間の言葉で問題を言い換える（"安いから売れない" ではなく "価値が伝わっていない/正当化されていない"）。値下げ＝論理解＝競合も全員やっている罠。reframing か costly-signaling に振る。
「待ち時間のクレームが多い。人員を増やすべき？」→ 総待ち時間（高い解）ではなく不確実性と手持ち無沙汰（安い解）を疑う。experience-design へ。
「競合と横並びで差別化できない」→ 論理的な差別化は全員が辿り着いている。counterintuitive-tests で "普通は悪手とされる手" を1つ挙げ、安く検証する。
葬儀/シニア領域の例：「価格の安さを訴求しても響かない」→ シニアにとっての本当の問題は "失敗したくない/恥をかきたくない不安"。安さではなく安心の知覚を設計し直す（experience-design ＋ costly-signaling）。

Cross-check against the canon

Sanity-check recommendations against these before shipping; if your advice contradicts one, name the contradiction and justify it — don't silently average. When a claim is load-bearing or the user asks for evidence or fresh examples, web-search the named theory or case and cite what you find — don't rely on memory.

Daniel Kahneman, Thinking, Fast and Slow — System 1 (fast, feeling) decides; System 2 rationalises. If your fix only speaks to System 2 (specs, facts, logic), it probably won't move behaviour.
Robert Cialdini, Influence — name which principle the fix leans on (reciprocity, commitment, social proof, authority, liking, scarcity, unity). If none, the mechanism may be wishful thinking.
Dan Ariely, Predictably Irrational — irrationality is systematic, not random; a psycho-logic fix should exploit a known pattern, not hope.
Byron Sharp, How Brands Grow — the evidence-based counterweight: mental and physical availability beat cleverness. If the clever idea sacrifices reach, distinctiveness, or availability, Sharp's data says it loses.

Related skills

reframing — change the meaning before changing the substance (the cheapest lever)
costly-signaling — why expensive, wasteful, or honest signals build trust and desire
counterintuitive-tests — invert the obvious and validate with cheap behavioural experiments
experience-design — fix the psychologically significant moment, not the logically significant metric
marketing-psychology — flat catalogue of named biases, when you want the menu rather than the method (separate plugin — only if installed)