Human beings generally have an aversion to bitter and sour foods. Some researchers suggest that this is because foods that are inedible or even poisonous are often bitter or sour. The tendency of human beings to find these potentially harmful foods repulsive is an example of __________.
A) classical conditioning
B) vicarious conditioning
C) conditioned emotional response
D) biological preparedness

Question

Quizplus · Accepted Answer

This is an example of biological preparedness, which refers to the innate predisposition of organisms to learn certain associations more easily because they are adaptive for their survival and reproduction. In this case, a preference for sweet and a dislike for bitter and sour tastes may have evolved to help humans avoid potentially harmful foods.

Human Beings Generally Have an Aversion to Bitter and Sour