How did John Watson define psychology

A)  the scientific study of the brain 
B)  the scientific study of the unconscious 
C)  the scientific study of behaviour 
D)  the scientific study of conscious experience

Scientific Study

The systematic investigation of scientific theories and hypotheses through controlled experiments, observation, and analysis to acquire knowledge and insights.

Unconscious

A part of the mind that is not accessible to conscious thought but that influences judgments, feelings, or behavior.

Behaviour

The actions or reactions of individuals or groups in response to external or internal stimuli.