Complex sentence: Elizabeth Thompson Gershoff is a developmental psychologist and professor known for her research in the field of Developmental Psychology, with a specific focus on the relationship between corporal punishment on children and their mental health.
Split into simpler sentences: Elizabeth Thompson Gershoff is a developmental psychologist and professor known for her research in the fields of Developmental Psychology. In summary, Gershoff's main area of research focuses on the relationship between corporal punishment on children and their mental health.