Answer:
early adolescence
Explanation:
Henry Stack-Sullivan is considered as the father of "interpersonal psychiatry". According to Sullivan, there are six stages in the inter personality development of a child.
They are --
Early adolescence is the fifth stage in development where an individual develops their identity. It occurs between twelve to fourteen years of age. In this stage, an individual undergoes many emotinal, psychological and physical changes. There are hormonal changes as well. An individual feels special about herself and is attracted by the opposite sex.
In the context, Adeline is the early adolescence stage of Sullivan’s stages of development.