The foundational and wildly popular go-to resource for influence and persuasiona renowned international bestseller, with over 5 million copies soldnow revised adding: new research, new insights, new examples, and online applications. In the new edition of this highly acclaimedbestseller, Robert CialdiniNew York Timesbestselling author ofPre-Suasionand the seminal expert in the fields of influence and persuasionexplains the psychology of why people say yes and how to apply these insights ethically in business and everyday settings. Using memorable stories and relatable examples, Cialdini makes this crucially important subject surprisingly easy. With Cialdini as a guide, you dont have to be a scientist to learn how to use this science.Youll learn Cialdinis Universal Principles of Influence, including new research and new uses so you can become an even more skilled persuaderand just as importantly, youll learn how to defend yourself against unethical influence attempts. You may think you know these principles, but without understanding their intricacies, you may be ceding their power to someone else. Cialdinis Principles of Persuasion: Reciprocation Commitment and Consistency Social Proof Liking Authority Scarcity Unity, the newest principle for this edition  Understanding and applying the principles ethically is cost-free and deceptively easy. Backed by Dr. Cialdinis 35 years of evidence-based, peer-reviewed scientific researchincluding a three-year field study on what leads people to changeInfluenceis a comprehensive guide to using these principles to move others in your direction.