Interactionism, Phenomenology Verstehen Social action Ethnomethodology Symbolic interactionism Social constructionism Interactionism has become one of the dominant sociological perspectives in the world today. It is a theory based on social interaction, and it was first linked to the work of James Parker. Interactionist theory has grown in the latter half of the twentieth century. It is a theory that studies individuals and how they act within society. George Herbert Mead, as an advocate of pr… (More on Interactionism)