Why it matters
A decision is only as useful as the evidence considered. Searching for disconfirming information can expose weaknesses that a one-sided search would leave hidden.
A worked example
An entrepreneur reads glowing comments about a product but dismisses repeated concerns about demand. The evidence search becomes one-sided.
Illustrative example · simplified assumptionsA common mistake
Believing confidence is a substitute for contradictory evidence.
Where the idea needs care
Some supporting evidence is valid. The issue is uneven evaluation rather than agreement itself.
Apply the idea
Explain this concept using a different example from your spending, work, business or a policy debate. State what stays fixed and what could change the result.
See the supporting infographic
The written explanation above is the main lesson. This image offers another way to remember it.
Sources and further study
Examples and explanations by Alibomics. Numeric illustrations are not current market quotations.