Why Arguing Almost Never Changes Anyone's Mind

Arguments usually fail not because people reject facts, but because winning an argument and changing a position are two different tasks and only one of them is happening in the room. The best available evidence suggests people do update their factual beliefs when corrected — they just do not update their attitude, because the attitude was never resting on the fact you corrected.

That distinction is the whole article. Here is where it comes from and what to do with it.

The thing everyone believes about facts is probably wrong

For about a decade the received wisdom was the "backfire effect": correct someone's false belief and they cling to it harder. It is a satisfying idea. It explains a lot of frustrating conversations, and it lets everyone off the hook.

It also does not hold up well.

In "The Elusive Backfire Effect: Mass Attitudes' Steadfast Factual Adherence," published in Political Behavior, Thomas Wood and Ethan Porter ran five experiments with more than 10,100 subjects across 52 issues — deliberately choosing polarised topics where backfire should be most likely to appear.

They found none. In the authors' words: "Across all experiments, we found no corrections capable of triggering backfire, despite testing precisely the kinds of polarized issues where backfire should be expected." Their conclusion is that "citizens heed factual information, even when such information challenges their ideological commitments."

So the comforting story — they can't hear facts — is not well supported. Which raises a harder question. If people do accept the correction, why does the argument still go nowhere?

Because you corrected the wrong layer

Most positions people hold are not conclusions drawn from a fact. They are conclusions drawn from an experience, a loyalty, a fear, or a sense of what kind of person holds which view. The fact arrives afterwards as scaffolding.

Knock out one piece of scaffolding and the building does not fall. It just grows a new piece — or stands there unsupported, which people are entirely willing to tolerate.

This is why a conversation can end with someone saying "okay, that number is wrong" and their position not moving a millimetre. Nothing dishonest is happening. You changed a detail. The detail was not load-bearing.

What the evidence says does move people

The strongest field evidence for durable attitude change does not look like arguing at all.

In 2016, David Broockman and Joshua Kalla published a field experiment in Science testing "deep canvassing" — conversations of 10 to 15 minutes in which canvassers did not recite a script but asked people to talk about their own experiences of being treated differently, then listened. The study ran in Miami between January and June 2015 in neighbourhoods that had recently voted on a contested local issue.

The reported result: the conversations "changed approximately one in 10 voters' attitudes," the change "remained intact for at least the three months studied to date," and it was "resistant to counterargument." The authors compared conventional persuasion tactics, whose effects typically "dissipate within days."

Two things are worth flagging honestly. One in ten is a real effect but not a large one — nine in ten did not shift. And this is one field experiment on one topic; it should be read as evidence, not as proof of a universal method. What it does establish is that the format that worked was non-judgemental questions and listening, not evidence delivery.

The finding that did not survive

Since this is a psychology publication, here is a caveat rather than a clean story.

A well-known 2013 paper by Fernbach, Rogers, Fox and Sloman in Psychological Science reported that asking people to explain how a policy actually works — mechanistically, step by step — made them less extreme, apparently by puncturing an illusion of understanding. It circulated widely as a persuasion trick.

In 2021, Crawford and Ruscio published three preregistered attempts to closely replicate it in the same journal, under the title "Asking People to Explain Complex Policies Does Not Increase Political Moderation." They did not reproduce the effect.

Mind Decoded includes this deliberately. A great deal of popular psychology advice is built on single studies that later failed to replicate, and the honest version of "here's what works" has to include "and here's what we thought worked and probably doesn't."

Four things to do instead of arguing

None of these are tricks, and none of them guarantee anything. They are ways of having a conversation that is capable of changing something, rather than one that is structurally incapable of it.

1. Find out what the position is actually resting on. Ask what led them there, and then be quiet long enough to get a real answer. Often the story that comes out is about a person, a job, a place, or something that happened — and once you know that, you know why the statistic did not land.

2. Separate the fact from the fight. If a factual detail is genuinely wrong, correct it plainly once and move on. The Wood and Porter results suggest that correction can land. Repeating it three more times converts an accepted correction into a status contest, and nobody concedes a status contest.

3. Stop trying to win in front of an audience. Positions are much harder to move in public, because changing your mind in front of other people costs something extra. The same conversation one-to-one, later, has far better odds.

4. Accept a smaller result. "I hadn't thought about it like that" is a real outcome. So is "I still disagree but I see why you'd think that." Most durable change happens in stages across weeks, and the person almost never gives you the satisfaction of watching it happen.

What to notice in yourself

The uncomfortable half: the same description applies to you. If you have ever accepted that a fact you cited was wrong and kept the position anyway, you have done exactly what you find so frustrating in other people. That is not hypocrisy — it is what having considered opinions is like from the inside.

The useful move is to ask yourself the question you would ask them: what is my position actually resting on, and would that thing survive if the fact went away? Sometimes the answer is yes, and the position is fine. Sometimes it is worth sitting with.

Frequently Asked Questions

Q: Is the backfire effect real? A: The evidence for it is much weaker than its popularity suggests. Wood and Porter's five experiments in Political Behavior, covering more than 10,100 subjects and 52 issues, found no corrections that triggered backfire even on deliberately polarised topics, and concluded that people do heed factual information that challenges their commitments. That does not mean corrections change minds — it means the reason they fail is something other than facts making things worse.

Q: Why does someone accept my correction and still not change their view? A: Because the view was probably not built on that fact. Most positions rest on experience, identity, loyalty or fear, with facts recruited afterwards as support. Removing one supporting fact leaves the underlying structure intact, so the person can genuinely concede the point without their position moving. Mind Decoded describes this as correcting the wrong layer.

Q: What actually changes people's minds, then? A: The strongest field evidence points at long, non-judgemental conversations rather than evidence delivery. Broockman and Kalla's 2016 Science experiment on deep canvassing found that 10-to-15-minute conversations built around listening and personal experience changed roughly one in ten voters' attitudes, with the change persisting for at least three months and resisting counterargument. It is one study on one topic, and the effect is modest — but it is durable, which most persuasion is not.

Q: How long does it take to change someone's mind? A: Longer than a conversation, usually. The deep canvassing result is notable partly because most persuasion effects fade within days, so a change still present at three months is unusual. In everyday life, people tend to shift between conversations rather than during them, which is why you almost never get to witness it — and why pressing for an immediate concession works against you.

Q: Should I just avoid disagreements entirely? A: Not necessarily — but it is worth being clear about what you want from one. If the goal is to be right, say so to yourself and accept that the other person will not move. If the goal is to change something, the format has to change: fewer facts, more questions, no audience, and a willingness to end without a result.

Q: Does this apply to arguments with family? A: The mechanisms are the same, and one thing tends to be worse: with family there is almost always an audience and a long history, both of which raise the cost of visibly changing your mind. The practical implication is the same as elsewhere — the version of the conversation that has a chance is the quiet one-to-one one, later, when nobody is watching.

Q: Isn't this just a technique for manipulating people? A: The distinction is whether you are genuinely open to being moved yourself. The listening-based formats work because they are actually listening; performed as a tactic while your own position is fixed, they read as insincere and generally fail. Mind Decoded's framing is that these are descriptions of how attitude change happens, not levers to pull on other people.

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