Admit uncertainty out loud, especially in your own domain
Say 'I don’t know’ clearly — it raises the quality of the conversation and your decisions.
Key takeaways
- What it is: Say 'I don’t know’ clearly — it raises the quality of the conversation and your decisions.
- Why it works: Admitting uncertainty has two effects: it signals epistemic humility to collaborators, who then contribute information they might have withheld from someone projecting certainty; and it prevents the speaker from being locked into a position by public commitment. The social cost of "I don’t know" is usually lower than the decision cost of false confidence.
- Evidence: Backed by observational / correlational evidence.
- Avoid: Hedging with "well, it could be A or B or C" rather than a genuine "I don’t know" — vague hedging mimics uncertainty without the honest admission.
Why it works
Admitting uncertainty has two effects: it signals epistemic humility to collaborators, who then contribute information they might have withheld from someone projecting certainty; and it prevents the speaker from being locked into a position by public commitment. The social cost of "I don’t know" is usually lower than the decision cost of false confidence.
How to do it
- 1Practice distinguishing your confidence levels verbally: "I am confident about X, uncertain about Y, and I have no idea about Z."
- 2Resist the urge to fill silence with speculation — an honest "I don’t know" is usually more useful.
- 3When you do not know, say so and then say what you would need to know.
- 4Notice when the social context pressures you to project certainty you don’t have, and override it explicitly.
What the evidence says
ObservationalResearch on team information sharing shows that high-status or confident group members suppress the sharing of unique information by other members. Explicit expressions of uncertainty can counteract this by lowering the perceived cost of contribution.
Honest caveat: Context matters: public uncertainty expressions affect perceived competence and may be used against the speaker in competitive settings. The tradeoff is real and situationally variable.
- — Stasser & Titus (1985), pooling of unshared information in group decisions, Journal of Personality and Social Psychology
Common mistake
Hedging with "well, it could be A or B or C" rather than a genuine "I don’t know" — vague hedging mimics uncertainty without the honest admission.
IX Coach models explicit uncertainty — "here is what I am confident about, here is where I am not" — so the conversations it facilitates stay calibrated.
Practice this with IX Coach →