> Two kinds of bias were identified:
(a) a tendency to overestimate small frequencies and underestimate
larger ones, and (b) a tendency to exaggerate the frequency of some specific
causes and to underestimate the frequency of others, at any given level of objective
frequency
> Two kinds of bias were identified: (a) a tendency to overestimate small frequencies and underestimate larger ones, and (b) a tendency to exaggerate the frequency of some specific causes and to underestimate the frequency of others, at any given level of objective frequency