Why you say yes, even when you don't want to

Research by Professor Emeritus of Marketing Robert Cialdini outlines six key principles of persuasion.

Research by Professor Emeritus of Marketing Robert Cialdini in a presentation given at the American Psychological Association's Washington, D.C., headquarters in August outlines six key principles of persuasion that can be found in a number of settings, including marketing and purchasing.

According to this post on CNN on Aug. 4, 2017:

"We've always thought of successful persuasion as an art — something that people are born with, a natural gift of saying just the right thing at just the right time," said [Robert] Cialdini, professor emeritus of psychology and marketing at Arizona State University. "That's true, but what we haven't recognized traditionally is that it's also a science. It's something that can be taught and learned."