"i believe that consciousness should be studied to us understand the adaptive and practical functions of human behavior." such a statement is most likely to have been made

William James                                                                                                                                

Explanation:

William James was born in 1842 and died in 1910, he was a famous American psychologist and philosopher of his times and has proposed the theory of functionalism.

According to James, Functionalism is based on the idea that how an individual behaves and thinks and the way it helps him or her to adapt in his or her environment.

According to James, the term "stream of consciousness" is defined as the flow of an individual's thought in his or her conscious mind. He was the first person who is responsible for giving the term and often considered as the father of American psychology.