Final answer:
Dream Analysis is a branch of psychology that can help interpret the meaning behind dreams. Andrea's dream of being attacked by a dog as a child may have had a lasting impact on her thoughts and beliefs, leading her to mistakenly think it was real years later.
Step-by-step explanation:
In psychology, dreams and their interpretations fall under the branch of study called Dream Analysis. Dreams are often believed to reflect unconscious desires, fears, or unresolved issues. In the case of Andrea, her dream of being attacked by a dog as a child can be interpreted as a symbol of a traumatic experience or fear that she may have had. When she mistakenly thought it to be real years later, it can be seen as an example of how dreams can sometimes have a lasting impact on our thoughts and beliefs.