The pre-mortem is the most effective debiasing technique that almost nobody actually runs.
The instruction is simple: before committing, imagine it is a year from now and the decision has failed completely. Now explain why. The reframe from “will this work?” to “it didn’t work — why?” does something the first question cannot: it gives your mind permission to surface the doubts it was suppressing in the name of conviction.
Why it works
Prospective hindsight — imagining an event has already occurred — increases the ability to identify reasons for future outcomes by around 30% in the research. It defeats the optimism that makes you commit and the social pressure that makes doubts impolite to raise.
Why nobody does it
Because it feels bad, it takes discipline, and at the moment you most need it you are least inclined to invite the gloom. Which is precisely why it works better as a built-in step than as a good intention. DAUDIT’s Adversarial and Sovereignty dimensions are a pre-mortem you don’t have to remember to run.