The authors examine the psychological basis of successful social influence strategies using only scientific evidence. It is scientific methods that make it possible, by changing a little in our communication, to obtain amazing results in the field of persuasion. After reading this book, you will be able to better understand the processes underlying communication and interaction. You will see how you can change people’s behavior or their attitude towards something, learn to communicate honestly, ethically and correctly with the opposite party and partners. For everyone for whom it is important to be convincing: at work and at home, with loved ones and strangers, when orally and in writing.