Vivian's psychologist is using systematic desensitization to vivian overcome her phobia of driving over bridges. as one of the steps in the process of systematic desensitization, vivian's psychologist has her:

I believe the answer is: create an anxiety hierarchy.

 anxiety hierarchy refers to a tool that could be representations of situations which could become triggers for anxiety.
When making anxiety hierarchy, the creator is required to give points on how much anxiety a situation cause (higher points means more anxiety)

The repetition of initial consonant sounds is called alliteration

This is highly correct because infact i just had a essay done yesterday so yeah that's pretty much what you need to do