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influence-psychology

Apply the seven principles of ethical persuasion (reciprocity, commitment, social proof, authority, liking, scarcity, unity) to product design, copy, and sales. Use when the user mentions "social proof", "persuasive copy", "why users dont convert", "ethical persuasion", "reciprocity", "scarcity tactics", "commitment and consistency", "shared identity", "in-group", "make my copy more persuasive", "increase trust", or "get more people to say yes". Also trigger when designing testimonial sections, crafting urgency messaging, or improving trust signals on landing pages. Covers the principles, when each applies, and ethical limits. For deal negotiation tactics, see negotiation. For viral word-of-mouth, see contagious.

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# Influence Psychology Framework

Apply six decades of persuasion science — Cialdini's research into why people say "yes" — to product, copy, and sales, ethically.

## Core Principle

**People don't make decisions rationally — they use mental shortcuts (heuristics) that can be triggered to influence behavior.** These shortcuts evolved because they're usually reliable, but they can also be exploited. Understanding them lets you design products, messaging, and experiences that align with how people actually decide.

## Scoring

**Goal: 10/10.** When reviewing or creating persuasive elements (features, copy, flows, campaigns), run the Quick Diagnostic, then score against the bands below and apply the ethics gate. Always report the current score and the specific change needed to reach 10/10.

- **9-10** — Multiple principles deliberately layered; every claim truthful; users can reverse the decision; passes the transparency test (still works if the user knows the strategy); safe for vulnerable users.
- **7-8** — Principles deliberately layered and honest, but one gap (e.g. weak reversibility, or a single principle where layering was possible).