Answer: Priming
Step-by-step explanation:
Priming is the effect in which a person is exposed towards a stimulus due to which he/she tends to responds to a future stimulus .This effect is caused due to implicit memory which manipulates the thought and ideas of a person later.
According to the question, Alice's situation is describing about priming effect in which she watched a shark-related movie which acted as stimulus and created a later response where she was afraid to spend too much time in water due to the altered thought of presence of shark.