Dr. roberto studies how adults change in interactions with siblings as they age. she is focused

The answer is Psychosocial Domain.

Psychosocial Domain in this psychology focus on factors such as personality, emotions, and social interactions.

This domain is often use to observe the development that experienced by individuals as we grow old or after we finish a certain experience.

Psychosocial

This field identifies with the blend of mental and social conduct. A case of psychosocial is the idea of an examination that analyses the connection between a man's feelings of trepidation and how he identifies with others in a social setting.