Estimating the likelihood of an event (X) by the ease with which instances of X come to mind, i.e., how available they are.
|Recent experiences caring for patients with bacteremia were associated with doctors' higher estimated probabilities that hospital inpatients (for whom blood cultures had been taken) had bacteremia .|
Where estimating the likelihood of an event (X) is mediated by the degree to which it represents the class to which X belongs.
|Drives the diagnostician toward looking for prototypical manifestations of disease: "If it looks like a duck, walks like a duck, quacks like a duck, then it is a duck." Yet restraining decision-making along these pattern-recognition lines leads to atypical variants being missed . It inappropriately ignores, for example, prior probabilities .|
Where an initial affective reaction biases the resultant decision.
|When toxicologists were asked to assess the risk associated with a very small exposure to 30 chemical items, degree of risk was mediated by their assessment of how 'bad-good' each chemical was .|