Reactance is tell someone they must, and they'd often rather not. It sits in the Cognition dimension (COG) of the Human Behavior Taxonomy™ as element HBT-COG-0562, within the Decision Bias family. The core principle: tell someone they must, and they'd often rather not. In incentive terms, it matters because it changes the payoff people perceive before they choose — which means it can be designed for, or exploited.
Scientific Definition
Tell someone they must, and they'd often rather not.
Plain-English Definition
Tell someone they must, and they'd often rather not.
Feynman Explanation
Every mandate is a strategy for producing the opposite behavior.
Core Principle
Tell someone they must, and they'd often rather not.
Mechanisms
Tell someone they must, and they'd often rather not.
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Inputs (Triggers)
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Outputs (Behaviors)
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Behavioral Signature
Every mandate is a strategy for producing the opposite behavior.
Examples
- RTO mandates met with calibrated, performative compliance.
- Top-down rollouts trigger the resistance they're meant to bypass.
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Original analysis from The Incentives Lab — how this element behaves inside real payoff structures.
Why this element matters to incentive design
Executives usually notice this element only after it has cost something. By then it looks like a one-off. It is not. The mechanism underneath it is straightforward: tell someone they must, and they'd often rather not. You can recognize it in the field by its signature: every mandate is a strategy for producing the opposite behavior. Every element in the Cognition dimension changes the perceived payoff of an action before the action happens, which is exactly where incentive design has leverage.
How it gets exploited
Left undesigned, forced AI usage creates malicious compliance and ghost workflows. It is amplified whenever top-down rollouts trigger the resistance they're meant to bypass. Inside organizations that shows up as top-down rollouts trigger the resistance they're meant to bypass. The pattern is the same one Goodhart's Law describes: the measurable proxy attracts the effort, and the purpose behind it quietly loses funding.
How the Lab designs around it
The redesign move is to pull, don't push. Make the new behavior easier than the old one. The test of any redesign here is simple: after the change, can you name what the organization is now doing less of? If not, the payoff structure did not actually move.
Famous Experiments
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Design Principles
- Pull, don't push. Make the new behavior easier than the old one.
Measurement Approaches
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Evidence
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The Perverse Incentive Lens™
How this behavior is exploited — and how to redesign around it.
- Pull, don't push. Make the new behavior easier than the old one.
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Interactive Mini Network
Click any neighbor to re-center the graph and follow the threads of connection.
Knowledge Graph Neighbors
Auto-linked to the rest of the Human Behavior Taxonomy by family, domain, dimension, and shared keywords.
Doing something feels safer than doing nothing — even when nothing wins.
Feelings act as shortcuts for facts.
Over-reliance on the first number that hits the table.
Adding a clearly worse option steers people toward the option you wanted.
Whatever is pre-selected wins more often than it should.
We value things more once they're ours.
The same information lands differently depending on how it's wrapped.
We disproportionately prefer rewards now over rewards later.
We overvalue things we built ourselves.
Believing more information leads to better decisions, regardless of relevance.
When trivial metrics become the target, the trivial becomes the strategy.
Losses hurt roughly twice as much as equivalent gains feel good.
Where Reactance is cited in the corpus
Essays, field guides, and diagnostics from The Incentives Lab that apply this element.
- EssayGoodhart's Law in the Real World
How measurable proxies capture judgment.
- EssayThe Perverse Incentives Hiding in Your KPIs
Cognitive shortcuts turned into scorecards.
- CourseIncentives 101
The free ten-part primer on reading a payoff structure.
- ReferenceThe incentive glossary
Definitions for every mental model, bias, and fallacy in the corpus.
- ReferenceThe Periodic Table of Human Behavior
The full 1,267-element map this page belongs to.
Questions about Reactance
- What is Reactance?
- Reactance is tell someone they must, and they'd often rather not. It sits in the Cognition dimension (COG) of the Human Behavior Taxonomy™ as element HBT-COG-0562, within the Decision Bias family. The core principle: tell someone they must, and they'd often rather not. In incentive terms, it matters because it changes the payoff people perceive before they choose — which means it can be designed for, or exploited.
- What is an example of Reactance?
- Top-down rollouts trigger the resistance they're meant to bypass. The Incentives Lab catalogs everyday, organizational, and historical instances of this element on its Human Behavior Taxonomy™ page (HBT-COG-0562).
- How is Reactance exploited?
- Forced AI usage creates malicious compliance and ghost workflows.
- How do you design around Reactance?
- Pull, don't push. Make the new behavior easier than the old one.
- Which behavioral dimension does Reactance belong to?
- Reactance is classified in the Cognition dimension (COG) of the Human Behavior Taxonomy™, family "Decision Bias", class "Cognitive Bias". Its permanent identifier is HBT-COG-0562 and its evidence grade is B.