Adaptive bias
Adaptive bias is the idea that the human brain has evolved to reason adaptively, rather than truthfully or even rationally, and that cognitive bias may have evolved as a mechanism to reduce the overall cost of cognitive errors as opposed to merely reducing the number of cognitive errors, when faced with making a decision under conditions of uncertainty. == Error Management Theory == According to Error Management Theory, when making decisions under conditions of uncertainty, two kinds of errors need to be taken into account—"false positives", i.e.