The easier it is for an individual to remember a circumstance in which a car battery failed to function, the more he or she expects such an event to recur. This BEST illustrates the impact of the heuristic.

This best illustrates the impact of the availability heuristic.

Explanation:

Availability heuristic is a way of thought in which an individual evaluates decisions, topics, methods by the immediate options that come to mind. He/she makes judgements based on how easily an idea or example comes to mind.

In this case, when the thought that the car battery failed to function is more immediate and frequent, the individual is most likely to expect the event to occur by the availability of the thought.

answer; decreased;