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The Incentives Lab
HBT-SOC-0021 · Dimension SOC · Social

Out-Group Homogeneity Bias

We see 'them' as more uniform than 'us.'

Social Bias·Cognitive Bias·Grade B·draft· enriching…

Scientific Definition

We see 'them' as more uniform than 'us.'

Plain-English Definition

We see 'them' as more uniform than 'us.'

Feynman Explanation

Engineers think marketing is one person. Marketing returns the favor.

Core Principle

We see 'them' as more uniform than 'us.'

Mechanisms

Psychological

We see 'them' as more uniform than 'us.'

Behavioral Economic

Pending editorial review.

Neurological

Pending editorial review.

Evolutionary

Pending editorial review.

Sociological

Pending editorial review.

Computational

Pending editorial review.

Systems

Pending editorial review.

Inputs (Triggers)

Pending editorial review.

Outputs (Behaviors)

Pending editorial review.

Behavioral Signature

Engineers think marketing is one person. Marketing returns the favor.

Examples

Everyday
  • Cross-functional friction rooted in lazy stereotypes.
Modern (Organizational)
  • Cross-functional initiatives stall on caricatures.
Historical

Pending editorial review.

Famous Experiments

Pending editorial review.

Design Principles

  • Force rotations and embedded roles across functions.

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
'Users' treated as one persona instead of dozens.
Amplifying Incentives
Cross-functional initiatives stall on caricatures.
Org Failure Modes
Cross-functional initiatives stall on caricatures.
Societal Failure Modes
Pending editorial review (HBT v1.0 auto-seed).
Ethical Considerations
Pending editorial review (HBT v1.0 auto-seed).
Redesign Strategies
Force rotations and embedded roles across functions.
Diagnostic Questions
  • Force rotations and embedded roles across functions.
Warning Signs

Pending editorial review.

Red Flags

Pending editorial review.

Intervention Playbook
Individual
Force rotations and embedded roles across functions.
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
'Users' treated as one persona instead of dozens.
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-SOC-0021 · SOC
Out-Group Homogeneity Bias
OHABAuthority BiasBEBandwagon EffectBPBikeshedding (Parkin…BEBystander EffectCCCommitment & Consist…COCurse of KnowledgeFCFalse Consensus EffectFAFundamental Attribut…GEGolem EffectHEHalo Effect

Knowledge Graph Neighbors

Version History

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