Answer:
imitation; play; team games
Explanation:
George Herbert Mead was a famous sociologist who has given the theory of the development of the self and believed that there are three distinct stages including imitation stage, play stage, and the game stage.
Imitation stage: This is the first stage in Mead's theory of development and starts from the birth of the child and lasts through two years of age. This stage states that a child merely copy different behaviors led by another person around him or her.
Play stage: In this stage, a child grows, learns, communicates, and acts via play.
Team games stage: This is the final and the third stage of development of self in which a child learns the existing relationship between the several game participant's roles.
