too much to explain and not enough space to write down
Maybe it not meant to be or it complicated
Answer:
Behavioral psychology by Skinner, Watson
Psychoanalysis by Freud
Humanistic psychology by Maslow, Rogers
Explanation:
Well, I assume it would differ for all people because we are all different, individual human beings. We are all our own unique person that feels uniquely about all subjects. You should take a philosophy class.