Influence: The Psychology of Persuasion by Robert Cialdini

Book Summary: Influence The Psychology of Persuasion by Robert Cialdini

The Book in a Few Sentences

"You couldn’t start with a better book than Cialdini’s 'Influence,'" says Charlie Munger. If you like Malcolm Gladwell's books, you'll love this.

Influence summary

This is my book summary of Influence by Robert Cialdini. My summary and notes include the key lessons and most important insights from the book.


Chapter 1: Weapons of Influence

Chapter 2: Reciprocation

The Rule Enforces Uninvited Debts

The Rule Can Trigger Unfair Exchanges

Reciprocal Concessions

Chapter 3: Commitment and Consistency

Commitment Is the Key

The Magic Act

The Public Eye

The Effort Extra

The Inner Choice

How to Say No

Chapter 4: Social Proof

Cause of Death: Uncertain(ty)

Monkey Me, Monkey Do

How to Say No

Chapter 5: Liking

Physical Attractiveness



Contact and Cooperation

Conditioning and Association

Chapter 6: Authority

Connotation, Not Content




How to Say No

Chapter 7: Scarcity

Psychological Reactance

Epilogue: Instant Influence

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