Answer:
Her therapist is most likely a Psychoanalysis psychologist.
Step-by-step explanation:
Psychoanalysis centers on the idea that an individual is governed by his/her unconscious mind as well as desires and memories. Its idea is that an individual's life is defined by the first years of childhood and through his/her primary relationships.
Psychoanalysis also believes the unconscious can manifest through dreams and a psychoanalysis psychologist tends to interpret them.
Marissa's therapist is most likely a psychoanalysis psychologist since she focuses on her dreams and early childhood memories.