Jean Piaget
Behavior reinforcement
B.F. Skinner
Behavior with physical response
Self development & help
Gender & behaviors
Ivan Pavlov
Culture & behaviors
Race & behaviors
Sigmund Freud
Carl Rogers
How people learn
Studying thinking and mental processes
Conditioning behavior
Nervous system and genetics
John Watson
Humans different and unique
Socioeconomic factors & influence
Study of the subconscious
