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Group Attribution Error

Also Known As: Ultimate Attribution Error
Cognitive Bias ID: group_attribution_error

Definition

The group attribution error involves two related mistakes: first, assuming that the characteristics of an individual group member reflect the group as a whole, and second, assuming that a group's decision outcome reflects the preferences of all its individual members. This bias drives stereotyping and prejudice by treating groups as monolithic entities.

Examples

After one employee from the marketing department misses a deadline, a project manager concludes that 'marketing people are unreliable' and begins applying extra scrutiny to all marketing team members.

A traveler has a rude experience with one taxi driver in a foreign city and returns home telling friends that 'people in that country are unfriendly,' generalizing the behavior of a single individual to an entire national population.

A voter reads that a member of a rival political party made a factually incorrect statement in a debate, and concludes that all supporters of that party are poorly informed — ignoring the wide diversity of knowledge and opinion that exists within any large political group.

Verification Steps
Verification Steps
Binary yes/no questions that an AI must answer to detect a reasoning pattern in a text.
Each of the 452 aspects has verification steps — simple yes/no questions designed to systematically detect whether a pattern appears in a text. For ad hominem: "Does the argument attack a person rather than their claim?" For false dichotomy: "Are only two options presented when more exist?" This ensures consistent, reproducible analysis.

Binary (yes/no) questions an LLM must answer to identify this aspect:

  1. 1

    Is a characteristic or behavior of an individual group member identified?

    Type: binary
  2. 2

    Is this characteristic generalized to the entire group?

    Type: binary
  3. 3

    Is evidence provided that the characteristic is actually representative of the group?

    Type: binary
Deep Dive
The expandable detail section on each aspect page with examples, psychology, and counter-strategies.
The Deep Dive section provides in-depth information about each aspect: a real-world example showing the pattern in action, an explanation of why it works psychologically, practical advice on how to counter it, alternative names, and links to related aspects.

Hierarchical Context