We tend to rely on heuristics when :

A. we are highly motivated to be accurate.
B. we have plenty of time to form a judgment.
C. our cognitive resources are depleted.
D. all of the above.

We tend to rely on heuristics when we are highly motivated to be accurate.

Explanation:

Heuristics is a Greek word which means "to discover". It is a problem-solving technique used to derive solutions which are good-enough despite limitations in time or resources. It is used for quick decisions especially when working with data that are complex.

Individuals makes decision with minimal mental effort in heuristic. When there isn't large amounts of information available and an individual is motivated to make a correct decision, heuristic is used.

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