You didn't provide much content to answer this question. However if I understand, it would be first person or third person limited. First person is from the character's point of view while third person limited is a narrator seeming to watch down on one and only character and state what they're doing and/or feeling.
Answer:
The effct allows the reader to connect with the narrator and hear the voice as she descends into madness
Answer:
hesitantly
Explanation:
hesitantly means in a tentative or unsure manner, which would apply in this scenario.