Influence: The Psychology of Persuasion

Influence: The Psychology of Persuasion

This is part of an ongoing series of organizational and personal improvement book reviews. If you have read the book already use this as a reminder of key lessons. If you have not read the book and are looking to learn and grow as a leader, this summary will share the basics. Read the entire book to dig deeper.

This month we review Robert Cialdini’s 1984 classic Influence: The Psychology of Persuasion. The book is required reading for anybody in marketing and every business leader. Have you ever made a major purchase or important decision under pressure you regretted later? It is likely that your decision was influenced by one of the six principles Cialdini shares in the book. Learn about these six principles and how to avoid being manipulated by them.

 

  1. Reciprocity– When presented with a gift or act of kindness people tend to return the favor. Marketers provide free samples to take advantage of this and even as kids we learn it is wise to compliment a parent or teacher before asking for something. When your friend or associate buys you lunch don’t you feel obligated to offer to pay the next time?
  1. Scarcity– Perceived scarcity generates demand and influences us to act. Opportunities seem more valuable to us when their availability is limited. For example, saying offers are available for a “limited time only” encourages sales. One way to reduce the influence of scarcity is to shop for major purchases (such as a new car) without bringing with you any method of payment. You will be forced to shop and consider an offer without the ability to buy. Any real offer isn’t going to expire at the end of the day. Loss aversion is an important related concept studied by behavioral economists. They have used experiments to show that the fear of loss is always greater than the desire for gain. Consider how you would feel about a potential 1% raise in pay versus a 1% pay cut?
  1. Social Proof– People often do things they see other people doing. For example, one experimenter would stop on a city street and just look up into the sky; bystanders would then look up into the sky to see what they were seeing. I recently sold an automobile in a private sale to the first person who looked at the car. When I mentioned that I had four more appointments that day he had social proof that others were interested, plus a feeling of scarcity since others might buy the car later in the day. He offered to buy the car at my asking price. Have you ever ignored an ad for a car or house because it has been on the market for too long? We all assume that if it hasn’t sold already there must be an issue.
  1. Commitment and Consistency– When people commit to an idea or goal (in writing or to their peers) they are more likely to honor that commitment. This is why writing down personal and organizational goals is so important and why “anti-charities” are proven to help individuals achieve their personal goals. Is this commitment and consistency also why Christians continue to vote for Republicans in elections even when most core values aren’t in agreement?
  1. Authority– People will tend to obey authority figures, even if they are asked to perform objectionable acts. Cialdini cites incidents such as the Milgram experiments in the early 1960s and the My Lai massacre. Different cultures tend to respond differently to authority based on social norms. Be sure to stop and logically consider any request on its own merits and ask, “Is this decision in agreement with my values?” As a leader, be sure to always confirm that your authority isn’t the only reason employees agree with your decisions.
  1. Liking– People are more easily persuaded by people they like, are attractive to them, and they feel similar to. Cialdini cites the marketing of Tupperware in what might now be called viral marketing. Facebook has built a massive network based on this principle, as we tend to favor causes our friends also like. This principle can also explain why teams often consist of people with similar backgrounds and personalities. Making “team diversity” an identified goal has helped our organization avoid this “groupthink” issue. We also respond favorably to compliments. Anyone who has read this far must already be incredibly smart and a great person and you believe in making yourself even better! While we all love receiving compliments, make sure they are justified and not just being used so you will like that salesperson (or maybe your boss or your date) a little bit more. I’m sure you, dear reader, are much too wise to fall for a trick like that . . .

Influence: The Psychology of Persuasion is an important read for any leader. Some may use these principles to become a more skilled persuader, but everyone should understand how to defend against these principles being used to influence you.

Next, read our post Decisive: How to Make Better Choices in Life and Work.

 

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