gwern comments on Table of cognitive tasks that do and do not show correlations with cognitive ability - Less Wrong
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Interesting, sunk cost bias does not vary with intelligence?
One study cited in the above is a small study of 21 'gifted' children and 82 poor children:
It too found no effect by age, nor any effect by gifted/poor group (pg 10). On the sunk-cost question, the sunk cost response was a (large) minority. I wonder whether the adults who answered that question original (in Arkes & Blumer) were more or less prone to sunk cost than the children?