Answer:
c. are less reactive to external stimulation
Explanation:
An extrovert person is an outgoing and friendly person. People those who are extrovert are described as sociable, outgoing, enthusiastic, action-oriented and friendly.
Whereas an introvert person remains quiet, is of shy nature and is not able to be friendly or social with other people.
Hans Eysenck, a great psychologist defines extraversion-introversion as a degree to which an individual is outgoing as well as interactive with other people.
According to him, extroverts are less reactive to the external stimulation than the introverts.
