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Interface Rules for Software That Is Sometimes Wrong

How to present AI output so people use it well — showing uncertainty, enabling correction and setting expectations.

Updated 2 min readBy SpiderHunts Technologies

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Quick answer — TL;DR

Show what the output is based on, show when the system is unsure, make correcting trivial, and never present a guess with the same confidence as a fact. Trust is built by visible uncertainty, not by hiding it.

The interface has to communicate uncertainty

Conventional software is either right or broken. AI output is probabilistic, and an interface that presents every answer identically teaches users to trust everything equally — which means trusting the wrong things.

Showing uncertainty feels like admitting weakness. It is what makes the system safe to rely on.

Four things to always show

  1. What it is based on — the source document, the retrieved policy, the records used
  2. How sure it is, in terms a user understands rather than a raw score
  3. What a human still decides, stated plainly
  4. How to correct it, in one obvious action

Citations do more than any accuracy improvement

An answer with a link to the source is checkable in three seconds. An answer without one has to be believed or ignored, and users eventually choose ignored.

Make correcting easier than complaining

If fixing a wrong output takes more effort than working around it, people work around it and you never learn what was wrong.

  • Edit in place rather than in a separate flow
  • One-click “this is wrong” that captures context automatically
  • No form asking why — ask later if at all
  • Visible confirmation that the correction was received

Set expectations in the wording

“Suggested reply” sets a different expectation from “Reply”. “Draft, please check” is different again from “Generated”.

Small wording choices materially change how carefully people read output, and getting them right costs nothing.

FAQ

Frequently asked questions

The questions readers ask us after this guide.

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Should we show confidence scores to users?

Not raw numbers — they are meaningless to most people and falsely precise. Show a band, or simply flag the uncertain items for attention.

Does showing uncertainty reduce adoption?

It reduces misplaced adoption, which is the point. Users who understand where a system is weak use it more, not less, because they know when to rely on it.

How do we handle a confidently wrong answer?

Make it easy to report, log it, and add it to the evaluation set. Confidently wrong output is the most valuable failure data you will get.

Should AI output look different from human output?

Where a person will act on it, yes — a visual distinction prevents the assumption that a colleague wrote it. Once a human has reviewed and sent it, it is theirs.

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