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Estimation
Hofstadter's Law
Recursive Estimation Bias.
The article
If
"It always takes longer than you expect, even when you take into account Hofstadter's Law." The brain cannot visualize unknown unknowns.
Then
“Double your most conservative estimate, then add 20%. And expect to be wrong.”
Unless
Evidence-Based Scheduling
Source
Douglas Hofstadter, Gödel, Escher, Bach: an Eternal Golden Braid (1979).
Go to the sourceSee also