On a drizzly Sunday in late-autumn, you make the massive mistake of actually adding up the amount of hours you've spent scrolling on your phone over the past several weeks. It's not pretty (and you'd rather not discuss it). Naturally, you come to the conclusion that you could probably (i.e., desperately) benefit from a little culture in your life. So, you swap your "lazy" sweatpants (you know, the ones with the charming hole in the crotch) for some cleaner, more fashionable sweatpants (with a fully intact crotch) and head to a local museum.
When you arrive, despite not being especially thrilled to be there, you have to admit that it's quite beautiful. The ornate ceilings, the sprawling hallways, and the magnificent attention to detail makes for a lovely sensory experience. But as you approach the next exhibit — a solitary marble statue situated in a room unto itself — you can't help but feel a little perturbed. It's nothing about the art that bothers you, but rather what is sitting next to it: a large sign that reads "Do Not Touch The Art!"
Other than your checkered past as a habitual, unrepentant jaywalker, you consider yourself to be a fairly rule-abiding person; at the very least, you're definitely not the type of person who goes out of their way to intentionally break the rules. But in spite of this, you find yourself wanting to touch that damn art!
There's nothing really special about it — you know what marble feels like, after all — but there's something about being told what to do (or not to do) that just frustrates you and makes you want to revolt. So, you check to see if the coast is clear, flick the statue's nose, and leave the room with a self-satisfied grin on your face.
Weird, right? How a simple sign telling you not to do something instinctively makes you want to do precisely that? But it's a pretty common (almost universal) reaction, and the phenomenon even has a name: psychological reactance.
Essentially, people hate feeling like they're being forced to do something. It doesn't matter if it's something we dislike or something we love, we just don't like being told what to do. You could be enjoying a delicious ice cream cone, but if someone were to come by and snidely say "Yeah, that's right, you better eat that ice cream," you'd suddenly feel this overwhelming compulsion to stop eating it — not because it's no longer giving you satisfaction, but because you don't want to give them the satisfaction of feeling like they can control you. In essence, we have an embedded aversion to the feeling that we're being coerced.
This anti-coercion detection system is powerful, and it operates more-or-less automatically. Any time we suspect our autonomy is being constrained, that our freedom to choose or act as we please is being compromised, we instinctively rebel. This can certainly be maladaptive at times (like when you actually want to keep eating that ice cream cone), but it's likely a pretty adaptive long-term strategy, as it allows you to project to others that you are not one who is easily bullied into compliance.
Jack Brehm, originator of the theory of psychological reactance back in 1966, even gestured at the fact that the emotional state produced by the phenomenon likely had "survival value." It's not hard to see the logic. In a world of limited resources, social hierarchies, and genuinely selfish actors — which is to say, the ancestral world humans actually inhabited — a strategy of passively accepting coercion would have been extraordinarily costly. If a stronger, more aggressive individual could simply threaten you into compliance with any demand, you would be perpetually at their mercy: losing food, losing status, losing mates, losing coalition partners. Every capitulation would signal that coercion works on you, which would invite more of it. The rational adaptive response — in the deepest evolutionary sense — would be to make yourself expensive to coerce: to push back hard enough, and consistently enough, that the expected returns from threatening you looked worse than the expected returns from some other target, or from a negotiated arrangement.
A brain wired to experience coercive threats as a specific kind of violation — distinct from circumstances, more enraging than mere inconvenience, and motivating not just resistance but counter-aggression — would have been a meaningful deterrent. It is a response to the oldest influence strategy in the social mammal playbook: do what I say or face the consequences.
The logic becomes even clearer when you zoom out and look at what happens when this instinct gets institutionalized at the cultural level. Social psychologists Richard Nisbett and Dov Cohen spent years trying to understand why rates of violence, particularly argument-based homicide, were so much higher in the American South than in the North (and why the gap persisted even after controlling for poverty, urbanization, and race; Nisbett & Cohen, 1996). They came to a conclusion that pointed at the idea that this type of aggression, in the circumstances common to Southern living at the time, was probably an adaptive strategy.
A significant portion of the early South was settled by Scottish-Irish immigrants whose livelihoods depended on herding livestock — a form of wealth that has one critical vulnerability that farmland does not: it can walk away. You can't steal someone's farm overnight, but you can run away with a herd. And in frontier regions where law enforcement was sparse, unreliable, or non-existent, there was no one who could be counted on to come to your rescue. Under those conditions, Nisbett and Cohen argued, the rational long-term strategy was to develop — and aggressively advertise — a reputation as someone not to be trifled with; someone who would respond to any encroachment, any insult, any perceived show of weakness, with disproportionate force. By doing so, would-be thieves would be more likely to see them as an undesirable target — someone willing to kill you over any perceived slight is not someone who will top the list of "candidates to rob."
The result was a culture in which honor and violence became genuinely functional partners: the more credible your willingness to fight, the less often you actually had to. What looks, from the outside, like a society of people with explosive tempers and fragile egos was, at its roots, a highly rational collective solution to a very specific threat environment. In other words, strange though it may have seemed, it was adaptive. A 2021 global study by Cao, Enke, and colleagues tested this same mechanism at global scale and found that the descendants of herding societies today — across dozens of countries and cultures — still show elevated rates of retaliation-motivated conflict and greater willingness to punish norm violations (Cao et al., 2021). The material conditions have largely changed, but the psychological residue remains.
Recently, Jonathan Haidt and others have floated the idea that something like reactance may have been evolutionarily important for preventing domination by aggressive individuals within early human groups — a kind of anti-alpha, pro-egalitarianism mechanism that kept hierarchies from crystallizing too rigidly. Christopher Boehm's work on egalitarianism in hunter-gatherer societies is suggestive here too: one of the most consistent features of the band-level societies that represent our evolutionary baseline is an active, collective intolerance of domineering behavior. Groups coalesced against bullies, and the mechanisms for this likely included more than just conscious social calculation — it would have been useful to simply have a reflex against this type of interpersonal pressure.
Though you might not have known the formal name, you're probably familiar with reactance, having either experienced it or observed it in action. Parents of teenagers are perhaps best acquainted with the concept. As young adults seek to establish their own identities, making clear that they are not mere reflections of their parents' whims and wishes becomes paramount. Combine this with a cocktail of haywire hormones and you have the perfect recipe for reactance. Tell a teenager in the throes of puberty that they are "absolutely not allowed" to date someone and you've just inadvertently made that individual more desirable than they had ever been before. I'm not even sure it would be an exaggeration to suggest that many parents seeking to deter their child from dating someone would probably have more success if they were to instead insist that their child ask that person out. Just like the ice cream example, being forced to do something — even something we like — leaves a bad taste in our mouths.
Reactance provides us with an important illustration of why most attempts to persuade someone are unsuccessful.
When the majority of us think about persuasion, we conceive of it as a battle of arguments. "If I have an argument that is stronger than your argument, then you'll be forced to concede and take my side." Ignoring for a moment the issues with this logic in light of the fact that humans are not always perfectly-rational decision-makers (Exhibit A: Principle 1), the larger issue can be found in the language: battle of arguments, stronger, forced. Many naturally assume that the best way to move someone metaphorically is similar to the best way to move someone physically: to push harder. When people attempt to convince others, they default to trying to overpower them with arguments and evidence.
But this is a flaw in our intuition.
I like to describe reactance as operating like one of those "Chinese[1] finger traps" you used to get at the carnival. You'd put one finger in each side of this woven, cylindrical tube and as you tried to pull them out, the device would tighten. The harder you pulled, the more stuck you became. Our intuition about the physics of getting ourselves unstuck was actually working against us.
Isaac Newton's Third Law of Physics states: "For every action, there is an equal and opposite reaction." This tends to hold true for persuasive attempts, as well. The harder you try to push someone toward accepting your side, the more likely you are to cause them to push back. This leads us to what I refer to as the paradoxical physics of persuasion: the more overt and aggressive your attempt to convince someone is, the more "force" you apply, the less they are likely to be moved.
Although there are some individuals you can strongarm into believing, choosing, or doing as you wish, most people will reflexively fight back against such aggressive measures. Because of this reflex, in many ways, your likelihood of persuading someone has just as much (if not more) to do with your approach as it does with the content of your argument. If you try to shove your opinions down someone's throat, they'll instinctively clench their mouths shut. However, if you give someone the option of whether or not they'd like to taste something, they're more likely to take a bite.
[1] Which, by the way, have absolutely nothing to do with Chinese culture nor are they of Chinese origin.