The early school of thought in psychology known as functionalism was promoted by

A) Wilhelm Wundt.
B) William James.
C) John B.Watson.
D) Carl Rogers.

Functionalism

is a theory in psychology that considers mental life and behaviour in terms of active adaptation to the person's environment.

William James

An American philosopher and psychologist, often referred to as the "Father of American psychology," recognized for his contributions to pragmatism and functionalism.

Wilhelm Wundt

A German psychologist who is generally considered the father of experimental psychology; he founded the first formal laboratory for psychological research.