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Reactive Devaluation

Also Known As: Adversarial Discounting
Cognitive Bias ID: reactive_devaluation

Definition

Reactive devaluation is the tendency to devalue proposals, concessions, or ideas simply because they originate from an adversary or perceived opponent. A proposal that would be seen as fair or generous from a neutral party is automatically discounted or viewed with suspicion when it comes from 'the other side.' This bias is a major obstacle to negotiation and conflict resolution.

Examples

During labor negotiations, management proposes a benefits package that union members would have accepted if it came from their own leadership. Instead, because it comes from management, union members assume it must contain hidden disadvantages and reject it.

A school board rejects a cost-saving facilities proposal the moment they learn it originated from a rival district superintendent, even though an identical proposal drafted by their own administrator had been circulating internally as a promising idea just weeks earlier.

A customer dismisses a genuinely useful product recommendation from a salesperson as a pushy upsell, but when a friend mentions the exact same product the following week, she immediately orders it — the advice itself had not changed, only its source.

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 proposal being dismissed primarily because of who proposed it?

    Type: binary
  2. 2

    Would the same proposal be viewed more favorably if it came from a different source?

    Type: binary
  3. 3

    Is the evaluation of the content contaminated by feelings about the proposer?

    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