Defensive Documentation is decisions made to be defensible, not to be right. It sits in the Incentives dimension (INC) of the Human Behavior Taxonomy™ as element HBT-INC-0091, within the Law Perverse Pattern family. The core principle: decisions made to be defensible, not to be right. 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
Decisions made to be defensible, not to be right.
Plain-English Definition
Decisions made to be defensible, not to be right.
Feynman Explanation
Write everything down — except the truth.
Core Principle
Decisions made to be defensible, not to be right.
Mechanisms
Pending editorial review.
Decisions made to be defensible, not to be right.
Pending editorial review.
Pending editorial review.
Decision quality erodes when CYA dominates.
Pending editorial review.
Pending editorial review.
Inputs (Triggers)
Pending editorial review.
Outputs (Behaviors)
Pending editorial review.
Behavioral Signature
Write everything down — except the truth.
Examples
- Risk-averse memo language that obscures the actual recommendation.
- Decision quality erodes when CYA dominates.
Pending editorial review.
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: decisions made to be defensible, not to be right. You can recognize it in the field by its signature: write everything down — except the truth. Every element in the Incentives 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, decision quality erodes when CYA dominates. It is amplified whenever decision quality erodes when CYA dominates. Inside organizations that shows up as decision quality erodes when CYA dominates. 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 separate decision documentation from defense documentation. Design against it the way you would design against a known failure mode — assume it will appear, and price the exploit before someone finds it.
Famous Experiments
Pending editorial review.
Design Principles
- Separate decision documentation from defense documentation.
Measurement Approaches
Pending editorial review.
Evidence
Pending editorial review.
Pending editorial review.
The Perverse Incentive Lens™
How this behavior is exploited — and how to redesign around it.
- Separate decision documentation from defense documentation.
Pending editorial review.
Pending editorial review.
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.
Charging by time rewards inefficiency and prolongs disputes.
Police agencies that keep seized assets gain a direct fiscal interest in seizures.
Fixed compliance costs scale punitively for small firms and entrench large ones.
Compliance programs designed to satisfy regulators, not prevent harm.
Stacking fines on low-income defendants creates debt traps and recidivism.
Mandatory federal sourcing from prison factories crowds out small business and entrenches inefficient production.
Contingency-fee structures shape which cases get filed.
Fixed sentencing rules remove judicial discretion and inflate incarceration without reducing crime.
Trial penalties pressure even innocent defendants to plead guilty to avoid risk.
Per-inmate funding makes incarceration a budgetary asset for jurisdictions and contractors.
Caseloads far above professional norms guarantee weak defense for the poor.
Confidential settlements buy silence and prevent precedent that would deter future harm.
Where Defensive Documentation is cited in the corpus
Essays, field guides, and diagnostics from The Incentives Lab that apply this element.
- Field guideIncentives: definition, types, examples
The parent field guide for this element.
- ReferenceThe laws of incentives
Goodhart, Campbell, and the Cobra Effect.
- 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 Defensive Documentation
- What is Defensive Documentation?
- Defensive Documentation is decisions made to be defensible, not to be right. It sits in the Incentives dimension (INC) of the Human Behavior Taxonomy™ as element HBT-INC-0091, within the Law Perverse Pattern family. The core principle: decisions made to be defensible, not to be right. 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 Defensive Documentation?
- Decision quality erodes when CYA dominates. The Incentives Lab catalogs everyday, organizational, and historical instances of this element on its Human Behavior Taxonomy™ page (HBT-INC-0091).
- How is Defensive Documentation exploited?
- Decision quality erodes when CYA dominates.
- How do you design around Defensive Documentation?
- Separate decision documentation from defense documentation.
- Which behavioral dimension does Defensive Documentation belong to?
- Defensive Documentation is classified in the Incentives dimension (INC) of the Human Behavior Taxonomy™, family "Law Perverse Pattern", class "Perverse Incentive". Its permanent identifier is HBT-INC-0091 and its evidence grade is C.