How do you know when you have enough information?
When additional data would not change the rank order of your options. At that point, further research is delay, not diligence.
Cognitive Biases
The tendency to seek more information even when it cannot affect action, believing that more data always leads to better decisions.
Information bias delays decisions by seeking additional data that will not alter the outcome, confusing thoroughness with progress.
If I had this additional information, would it actually change my decision?
A product team delays a launch to run one more user study, even though the last three studies all pointed to the same conclusion and no plausible result would change the plan.
When additional data would not change the rank order of your options. At that point, further research is delay, not diligence.
Yes. Information bias is one of the key drivers of analysis paralysis — the belief that one more data point will provide clarity that never arrives.
Known risks are preferred over unknown risks, even when unknown may be better.
Doing something feels better than waiting, even when waiting is wiser.
We underestimate time, cost, and complexity.