Annabel wants to investigate differences in the way language is processed by the brain hemispheres in individuals from different cultures. If Annabel could work with a psychologist who has made a significant contribution in this area of research, she would MOST likely choose to work with .A. Alfred Adler
B. Roger Sperry
C. Carl Rogers
D. John B. Watson

The correct answer is letter B

American physiologist born in Hartford, Connecticut, a scholar of brain hemisphere functions and who as a professor at the University of Chicago (1946-1953) and the California Institute of Technology (1954-1994), was one of the winners of the Nobel Prize in Medicine or Physiology (1981), half of the prize, for his research on the separation and identification of left and right brain functions. He was the son of bank clerk Francis Bushnell and professor Florence Kraemer Sperry and was orphaned by his father at the age of 11.

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.