Symbolic interactionism is a

Symbolic interactionism is a theoretical perspective explaining how people create meaning through social interaction and symbols.

It is not a hypothesis, which is a single testable prediction.

It is not a research question, which frames a specific enquiry.

It is not a review, which surveys existing literature.

It stresses that meanings arise, are sustained and change through interaction.

Herbert Blumer coined the term, building on George Herbert Mead.