The number one thing to understand about influence is that people make decisions for their reasons, not yours.
“When you try to influence others,” Sebastian Bailey and Octavius Black write in their book Mind Gym: Achieve More by Thinking Differently, “it is essential that you understand the other person’s reasons so you can use tactics that will work to persuade them, as opposed to tactics that would work on you.”
Okay, with that said, here are the nine primary tactics to influence others.
What Is It?
“There are three excellent reasons why contemporary art is a worthwhile investment. First . . .”
The tactic we call reasoning, at its best, is the process of using facts, logic, and argument to make a case.
Give Me an Example
“You should run the marathon next year. The training will make you fitter and healthier; it will give you something to focus on outside work, which you said you wanted; and you will raise money for a good cause, maybe that hospice you gave all your old clothes to for their fund-raising sale. It just makes sense.”
When Is It Useful?
This tactic is useful most of the time. Reasoning is the bread and butter of influencing. The challenge is to support your views with relevant information and a coherent argument. Although reasoning requires more effort than some of the other tactics, it is much more likely to create your desired effect.
When you present a view or position as if it is a fact (e.g., “This problem is going to take a long time to solve”) but without any evidence to back it up, then the reasoning is weak. Weak reasoning is the most common influencing tactic people use, but without the evidence to back up your view, it is far less effective.