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The Incentives Lab
HBT-COG-0624 · Dimension COG · Cognition

Sludge

Choice architecture that adds friction in service of bad intentions.

Decision·Mental Model·Grade B·draft· enriching…

Scientific Definition

Choice architecture that adds friction in service of bad intentions.

Plain-English Definition

Choice architecture that adds friction in service of bad intentions.

Feynman Explanation

A nudge with the values inverted.

Core Principle

Choice architecture that adds friction in service of bad intentions.

Mechanisms

Psychological

Pending editorial review.

Behavioral Economic

Choice architecture that adds friction in service of bad intentions.

Neurological

Pending editorial review.

Evolutionary

Pending editorial review.

Sociological

Pending editorial review.

Computational

Pending editorial review.

Systems

Often profitable in the short run. Always corrosive in the long.

Inputs (Triggers)

Pending editorial review.

Outputs (Behaviors)

Pending editorial review.

Behavioral Signature

A nudge with the values inverted.

Examples

Everyday
  • Subscription cancellation flows designed to be unfindable.
Modern (Organizational)
  • Often profitable in the short run. Always corrosive in the long.
Historical

Pending editorial review.

Famous Experiments

Pending editorial review.

Design Principles

  • Audit your own product for sludge. If you wouldn't show the flow to your customers, you're running sludge.

Measurement Approaches

Pending editorial review.

Evidence

Evidence Grade
B (A strongest → E speculative)
Replication
★★★☆☆
Intervention Confidence
3 / 5
Consensus
Pending editorial review (HBT v1.0 auto-seed).
Limitations
Pending editorial review (HBT v1.0 auto-seed).
Open Research Questions

Pending editorial review.

Primary References

Pending editorial review.

Signature Section

The Perverse Incentive Lens™

How this behavior is exploited — and how to redesign around it.

Exploitation
Often profitable in the short run. Always corrosive in the long.
Amplifying Incentives
Often profitable in the short run. Always corrosive in the long.
Org Failure Modes
Often profitable in the short run. Always corrosive in the long.
Societal Failure Modes
Pending editorial review (HBT v1.0 auto-seed).
Ethical Considerations
Pending editorial review (HBT v1.0 auto-seed).
Redesign Strategies
Audit your own product for sludge. If you wouldn't show the flow to your customers, you're running sludge.
Diagnostic Questions
  • Audit your own product for sludge. If you wouldn't show the flow to your customers, you're running sludge.
Warning Signs

Pending editorial review.

Red Flags

Pending editorial review.

Intervention Playbook
Individual
Audit your own product for sludge. If you wouldn't show the flow to your customers, you're running sludge.
Team
Pending editorial review (HBT v1.0 auto-seed).
Organization
Pending editorial review (HBT v1.0 auto-seed).
Policy
Pending editorial review (HBT v1.0 auto-seed).
AI Implications
Detection
Pending editorial review (HBT v1.0 auto-seed).
Measurement
Pending editorial review (HBT v1.0 auto-seed).
Mitigation
Pending editorial review (HBT v1.0 auto-seed).
Responsible Use
Pending editorial review (HBT v1.0 auto-seed).

Interactive Mini Network

Click any neighbor to re-center the graph and follow the threads of connection.

HBT-COG-0624 · COG
Sludge
SlRu10/10/10 RuleAbAbsent-MindednessABAlternative BlindnessAPAlternative PathsAPAnalysis ParalysisAnAnchoringADAsian Disease ProblemABAttentional BiasABAutomation BiasBEBezold Effect

Knowledge Graph Neighbors

Version History

v1.1.0 · 2026-06-28Initial auto-seed from corpus.