Margin Notes

The Arm/Harm Distinction

The Arm/Harm Distinction

From Influence by Robert B. Cialdini — Chapter 9

The Framework

Compliance professionals who use genuine triggers (real scarcity, actual popularity, authentic expertise) are informational allies — they arm us with useful data for efficient decisions.

How It Works

The Arm/Harm Distinction provides a structured approach to understanding Authority and Credibility, Cognitive Fluency, Commitment and Consistency as presented in Chapter 9 of Influence.

Related Concepts

Concepts explored in the same chapter:


📚 From Influence by Robert B. Cialdini