Answer:
b) psychological preparedness
Step-by-step explanation:
In psychology, the aversion to certain foods which could be caused due to various factors is known as psychological food intolerance. This could be seen in the habit where someone is milk (lactose) intolerant while another is egg intolerant.
In the case of Caitlin works in the psychology department, the rats she is working with is which is exhibiting a condition taste aversion for certain food is a classic example of psychological preparedness. This is because, the aversion or food intolerance is an induced one which is aimed to achieve a certain results during the study.