Heard of ‘survival bias’? Confirmation bias?
The “silent evidence” often ignored…?
A famous case of survivor bias is the story of statistician Abraham Wald, part of a U.S. classified unit in World War Two. Wald, a Jewish man, had managed to get out Austria just as the Germans took over in the early 1930s.
Wald moved to the United States, and became part of…



