The correct option is A) Psychology. Study of individual behavior is Psychology.
What is individual behavior?
Individual behavior refers to the mix of responses to external and internal stimuli.
It is the way how a person reacts in different situations and the way someone expresses different emotions like anger, happiness, etc.
The study of the individual behavior is called Psychology.
Learn more about the individual behavior here:-
https://brainly.com/question/14307906
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