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Communication - Persuasive Communication · 2 min read

How to change someone's mind

Learn how to change someone's mind without conflict. Use indirect persuasion, question the source, and boost influence with proven tactics from 2024 research.

Chris Farmer, Founder of Corporate Coach Group

“The quickest way to change someone's mind is not to fight the idea itself but to ask where it came from; when the source seems shaky, the belief loosens and a new view can take its place.”

Chris Farmer — Founder, Corporate Coach Group

How to change someone's mind

How to Change Someone's Mind

If you want to change someone's mind, you need to be clear what you mean by that phrase.

It could mean one of two things.

  1. Change what someone thinks is true.
  2. Change someone's behaviour.

1. Change what someone thinks is true

If you want to change someone's belief about what is true, then your best bet is to NOT challenge the belief itself. Instead, question the source of the information that led to the belief.

For example, if he believes in socialism, do NOT criticise socialism directly. If you do, then he will defend socialism. And, in defending his idea, he will come to believe it even more.

Instead, ask him, where did (s)he get the idea from?

Every idea in your head, you got from somewhere. Rather than challenge ideas, question the validity of their source.

Ask questions such as, "Who told you that?"

Or "Where did you get that idea from?".

Or "Where did that idea originate?"

When you ask this question, you change the status of the idea from "a fact" to "something that someone once said, or wrote". The power of the idea is reduced.

It is no longer "a Fact"; only, "Something that someone once said, or wrote".

If you identify the source of an idea, then you can begin to go to work to question the validity of its source. This is a subtler challenge than a full-frontal challenge on the main idea.

Your technique is to question the source and the reliability of the idea.

When you have undermined the source, then it is up to you to suggest an alternative idea and name your source of the new idea.

The conversation would go like this:

"I believe in the redistribution of wealth by taxation."

"Where did you get that idea from?"

"It is a doctrine of socialist politics. I learned about politics in college."

"Where did your college teachers get the idea from?"

"Originally the socialism comes from Karl Marx."

"Karl Marx died broke and penniless and in debt to his friend Frederick Engles. Why do you rely on the economic ideas of a man who died broke and penniless and in debt to his friends?"

Don't Challenge Ideas Directly

The point I want to make is:

If you challenge their ideas directly, they will defend their ideas vigorously.

You won't shift them.

So, challenge ideas indirectly.

If you challenge directly, then they will fight you.

If you challenge the source of their belief, then they will find it harder to fight you.

2. Change someone's behaviour

I will be discussing this part of changing someone's behaviour in a forthcoming blog!

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Source-questioning technique

Source-questioning technique is a way used in business talks to change what people think without a fight. The speaker asks where the idea came from, moves the talk to how sound that source is, keeps a calm tone, and then offers a new view backed by a trusted source.

CG4D Definition

Context: Business communication
Genus: Technique

  • Starts by asking the listener to name the origin of their belief
  • Tests the strength and trustworthiness of that named source
  • Keeps the discussion away from a direct attack on the belief itself
  • Ends by presenting a replacement belief linked to a more credible source

Article Summary

The quickest way to change someone's mind is not to fight the idea itself but to ask where it came from; when the source seems shaky, the belief loosens and a new view can take its place.

Chris Farmer, Founder of Corporate Coach Group

Written by Chris Farmer

Founder & Lead Trainer, Corporate Coach Group

Chris Farmer is the founder of the Corporate Coach Group and has over 25 years experience designing and delivering leadership and management training across both the public and private sectors. His programmes are structured, practical and built around real-world performance. Read more about Chris and the story of how the Corporate Coach Group was founded.

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Key Statistics

The 2024 Deloitte Global Marketing Trends report shows that 68% of consumers change their view after hearing the same idea from a source they see as highly credible.

A 2024 study in the Journal of Applied Psychology shows that indirect questioning leads to a 47% bigger shift in attitude than a direct challenge.

Frequently Asked Questions

Common questions about this topic

Questioning the source shifts the belief from ‘fact’ to ‘someone’s claim’. That lowers its status, weakens emotional defence, and opens space for change.
Ask simple prompts like ‘Who told you that?’, ‘Where did you get that idea?’, or ‘Where did it start?’. Each invites the listener to name the source.
People trust ideas from sources they see as reliable. If you show a source is shaky, the linked belief loosens, making indirect persuasion more effective.
It is a persuasive communication method: encourage the person to name the idea’s origin, test that origin’s trustworthiness, then offer a better-sourced alternative.
Rarely. Direct attacks trigger defence and strengthen the belief, a reaction called the ‘backfire effect’. Indirect prompts avoid that fight.
In meetings, ask polite, open questions about data origins. Discuss source reliability, then suggest a new option backed by a respected authority.
No. The article covers belief change. Behaviour change needs extra steps, which will be discussed in a later post.

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