Final answer:
Goffman's basic unit of analysis was the dramaturgical perspective or the concept of the self as a performer on a social stage.
Step-by-step explanation:
To Goffman, as a symbolic interactionist, a focus on individual actors obscured important facts about interaction. Goffman's basic unit of analysis was thus not the individual but the dramaturgical perspective or the concept of the self as a performer on a social stage.