Coaching practices for Adversarial Proposal Evaluation
Describe almost anything you are working through and IX Coach finds the practices whose real-world fit is closest. For Adversarial Proposal Evaluation, these are the strongest matches in the current practice library.
Does this sound like the set of challenges you might be facing?
- The other side made an offer and my gut said "no way"
- I keep putting forward a genuinely good solution and the other side swats it down on sight, but I have a hunch they’re rejecting it because it’s coming from me
- The second either of us names a solution, the other instantly shoots it down with a counter
- Nobody around me will actually push back
- I walked out of that sales pitch about to say yes to the "middle" option, and only later did it hit me that the pricey one they showed first was probably there just to make this one feel reasonable
Practices that may help
- Recognize reactive devaluation in yourself and your counterpart
An offer you would accept from a neutral party may feel unacceptable simply because your adversary made it — know this bias by name.
The Flinch and Reactive Devaluation, Made Practical - Use a mediator or neutral frame to bypass reactive devaluation
Floating your idea through a neutral third party — or framing it as your own — makes it more likely to be evaluated fairly.
The Flinch and Reactive Devaluation, Made Practical - Define what success looks like together, before proposing solutions
Agree on the criteria a good solution must meet before either side proposes anything.
The Third Alternative, Made Practical - Invite an adversarial collaborator
Find someone whose genuine prior is the opposite of yours, and work together on the same evidence.
Confirmation Bias: Seeing What You Expect to See - Recognize when contrast is being used on you
Awareness of the contrast principle is the antidote — evaluate options against an independent standard, not the presented sequence.
The Contrast Principle, Made Practical - Red-team your plan with a formal adversarial review
Assign someone the explicit role of finding every way your plan could be wrong or fail.
Confirmation Bias: Seeing What You Expect to See - Establish a no-argument rule in feedforward exchanges
In structured feedforward exchanges, neither party evaluates or debates the suggestions — only listens and notes.
Feedforward: Future-Focused Feedback That Actually Changes Behavior - Frame proposals as "yesable propositions"
Make your proposals easy for the counterpart to say yes to — not easy on your terms, but easy to accept as legitimate.
Principled Negotiation, Made Practical - Apply the double-standard check: would I accept this reasoning if it pointed the other way?
Test whether you are holding your team’s arguments to a lower bar than the other side’s.
The Scout Mindset - Invent options for mutual gain before selecting
Generate multiple creative options without commitment before evaluating any — the solution space is usually larger than the initial positions suggest.
Principled Negotiation, Made Practical
Related concerns
- How To Evaluate Counterpart Proposals
Floating your idea through a neutral third party — or framing it as your own — makes it more likely to be evaluated fairly.
Use a mediator or neutral frame to bypass reactive devaluation
- When The Flinch Recognize Reactive Devaluation
An offer you would accept from a neutral party may feel unacceptable simply because your adversary made it — know this bias by name.
Recognize reactive devaluation in yourself and your counterpart
- Adversarial Review
Assign someone the explicit role of finding every way your plan could be wrong or fail.
Red-team your plan with a formal adversarial review
- Devil S Advocate Role
Give one person the formal job of arguing against the plan — making dissent structural, not personal.
Appoint an explicit devil’s advocate role
- How To Bypass Reactive Devaluation
The flinch is a visible, immediate negative reaction to an offer — a sharp intake of breath, a wince, a pause — that signals the offer is far from acceptable. It is a low-cost opening move in any price negotiation. Reactive devaluation, documented by Malhotra and Bazerman, is the related phenomenon where people systematically undervalue proposals from their counterpart simply because the counterpart made them — a bias that kills integrative agreements.
- Kahneman Adversarial Method
Find someone whose genuine prior is the opposite of yours, and work together on the same evidence.
Invite an adversarial collaborator
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