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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 source

See also